[
  {
    "id": "lab_hydraulic",
    "label": "Hydraulic actuator circuit",
    "description": "An enlarged fixed-displacement pump, tandem-centre selector and single-rod double-acting cylinder. Neutral unloads the pump to the reservoir while both cylinder work ports are blocked.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": null,
    "children": [
      "lab_hydraulic_base",
      "lab_hydraulic_cap_line",
      "lab_hydraulic_cap_line_fitting_0",
      "lab_hydraulic_cap_line_fitting_1",
      "lab_hydraulic_cylinder",
      "lab_hydraulic_pump",
      "lab_hydraulic_relief",
      "lab_hydraulic_relief_line",
      "lab_hydraulic_relief_line_fitting_0",
      "lab_hydraulic_relief_line_fitting_1",
      "lab_hydraulic_reservoir",
      "lab_hydraulic_return",
      "lab_hydraulic_return_fitting_0",
      "lab_hydraulic_return_fitting_1",
      "lab_hydraulic_rod_line",
      "lab_hydraulic_rod_line_fitting_0",
      "lab_hydraulic_rod_line_fitting_1",
      "lab_hydraulic_selector",
      "lab_hydraulic_suction",
      "lab_hydraulic_suction_fitting_0",
      "lab_hydraulic_suction_fitting_1",
      "lab_hydraulic_supply",
      "lab_hydraulic_supply_fitting_0",
      "lab_hydraulic_supply_fitting_1"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_base",
    "label": "Teaching rig base",
    "description": "Display support; this enlarged layout is not an installation on the aircraft.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_cap_line",
    "label": "Cap-end working line",
    "description": "Selector A connects to the full-area side of the piston.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_cap_line_fitting_0",
    "label": "Pipe union",
    "description": "Cap-end working line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_cap_line_fitting_1",
    "label": "Pipe union",
    "description": "Cap-end working line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_cylinder",
    "label": "Double-acting cylinder",
    "description": "Pressure can act on either side of the sealed piston. The cap-end area is larger than the rod-end annulus, so equal pressure differences do not give equal forces.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.5,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [
      "lab_hydraulic_barrel_back",
      "lab_hydraulic_barrel_shell",
      "lab_hydraulic_cap_end",
      "lab_hydraulic_cap_fluid",
      "lab_hydraulic_end_bolt_0_0",
      "lab_hydraulic_end_bolt_0_1",
      "lab_hydraulic_end_bolt_0_2",
      "lab_hydraulic_end_bolt_0_3",
      "lab_hydraulic_end_bolt_0_4",
      "lab_hydraulic_end_bolt_0_5",
      "lab_hydraulic_end_bolt_1_0",
      "lab_hydraulic_end_bolt_1_1",
      "lab_hydraulic_end_bolt_1_2",
      "lab_hydraulic_end_bolt_1_3",
      "lab_hydraulic_end_bolt_1_4",
      "lab_hydraulic_end_bolt_1_5",
      "lab_hydraulic_moving",
      "lab_hydraulic_rod_end",
      "lab_hydraulic_rod_fluid",
      "lab_hydraulic_rod_seal"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_barrel_back",
    "label": "Cylinder barrel section",
    "description": "A retained section of the load-carrying barrel; bore radius 0.35 m is a deliberately enlarged teaching dimension.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_barrel_shell",
    "label": "Removable cylinder shell",
    "description": "Hide this front half to inspect the piston and both working chambers.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.85
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_cap_end",
    "label": "Cap-end cover",
    "description": "Closed end; hydraulic pressure acts on the full piston area.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.4,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_cap_fluid",
    "label": "Cap-end fluid chamber",
    "description": "Full-area chamber. Its length grows as the rod extends.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "hydraulic_cap_volume",
    "lab_translation": [
      0.45,
      0.0,
      0.0
    ],
    "lab_scale": [
      2.44,
      1.0,
      1.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_0_0",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_0_1",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_0_2",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_0_3",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_0_4",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_0_5",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_1_0",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_1_1",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_1_2",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_1_3",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_1_4",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_end_bolt_1_5",
    "label": "Cylinder cover bolt",
    "description": "Illustrative mechanical fastener; no torque specification.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_moving",
    "label": "Piston and rod",
    "description": "Rigid piston/rod assembly. It translates along the cylinder axis and remains aligned with the gland.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "hydraulic_rod",
    "lab_translation": [
      0.9,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [
      "lab_hydraulic_piston",
      "lab_hydraulic_piston_seal_0",
      "lab_hydraulic_piston_seal_1",
      "lab_hydraulic_rod",
      "lab_hydraulic_rod_eye"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_piston",
    "label": "Actuator piston",
    "description": "Separates the cap and rod chambers. The single rod makes their effective areas different.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.45,
      0.0
    ],
    "parent": "lab_hydraulic_moving",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_piston_seal_0",
    "label": "Piston seal",
    "description": "Prevents idealised internal leakage between working chambers.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_moving",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_piston_seal_1",
    "label": "Piston seal",
    "description": "Prevents idealised internal leakage between working chambers.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_moving",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod",
    "label": "Actuator rod",
    "description": "Transfers piston force to the external load. The visible travel is an enlarged kinematic demonstration.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.2,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_moving",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod_eye",
    "label": "Rod-end attachment eye",
    "description": "Generic output attachment; no aircraft control linkage is implied.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_moving",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod_end",
    "label": "Rod-end gland",
    "description": "Supports and seals the piston rod. Its central passage reduces the effective pressure area on this side.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.4,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod_fluid",
    "label": "Rod-end annular chamber",
    "description": "Liquid surrounds the rod; this volume contracts during extension.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "hydraulic_rod_volume",
    "lab_translation": [
      0.45,
      0.0,
      0.0
    ],
    "lab_scale": [
      0.3939393939393939,
      1.0,
      1.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod_seal",
    "label": "Rod seal",
    "description": "Schematic rod seal retains fluid while permitting translation.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_cylinder",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_pump",
    "label": "Fixed-displacement pump",
    "description": "Supplies flow when driven. Load resistance creates operating pressure; the pump is not assigned an arbitrary fixed pressure. The exterior represents a generic positive-displacement pump.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.35,
      0.25,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [
      "lab_hydraulic_pump_body",
      "lab_hydraulic_pump_drive",
      "lab_hydraulic_pump_label"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_pump_body",
    "label": "Pump housing",
    "description": "An original pump exterior. Detailed tooth meshing and displacement geometry are outside this laboratory.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_pump",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_pump_drive",
    "label": "Pump drive shaft",
    "description": "Shaft input supplies mechanical energy to the pump.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_pump",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_pump_label",
    "label": "PUMP",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_pump",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_relief",
    "label": "Pressure relief valve",
    "description": "A normally closed protective branch from pump supply to reservoir. It opens when supply pressure exceeds its setting. No setting, pressure or thermal model is implemented.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      -0.6
    ],
    "parent": "lab_hydraulic",
    "children": [
      "lab_hydraulic_relief_body"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_relief_body",
    "label": "Relief valve body",
    "description": "Generic pressure-limiting device in a branch independent of the directional selector.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_relief",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_relief_line",
    "label": "Pressure-relief branch",
    "description": "A separate protective supply-to-reservoir path; not continuously flowing in normal operation.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_relief_line_fitting_0",
    "label": "Pipe union",
    "description": "Pressure-relief branch connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_relief_line_fitting_1",
    "label": "Pipe union",
    "description": "Pressure-relief branch connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_reservoir",
    "label": "Fluid reservoir",
    "description": "Stores working liquid and accepts returning fluid. This laboratory omits aircraft reservoir pressurisation, filtration and temperature control detail.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.4,
      -0.1,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [
      "lab_hydraulic_filler",
      "lab_hydraulic_reservoir_body",
      "lab_hydraulic_reservoir_label",
      "lab_hydraulic_reservoir_liquid"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_filler",
    "label": "Reservoir filler",
    "description": "Generic reservoir service interface; no servicing specification is provided.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_reservoir",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_reservoir_body",
    "label": "Reservoir shell",
    "description": "Removable display shell exposing the fluid volume.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.75
    ],
    "parent": "lab_hydraulic_reservoir",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_reservoir_label",
    "label": "RESERVOIR",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_reservoir",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_reservoir_liquid",
    "label": "Stored hydraulic liquid",
    "description": "Reservoir liquid; the fill shape is illustrative and no level simulation is claimed.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_reservoir",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_return",
    "label": "Reservoir return line",
    "description": "Selector T returns liquid to the reservoir.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_return_fitting_0",
    "label": "Pipe union",
    "description": "Reservoir return line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_return_fitting_1",
    "label": "Pipe union",
    "description": "Reservoir return line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod_line",
    "label": "Rod-end working line",
    "description": "Selector B connects to the annular side of the piston.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod_line_fitting_0",
    "label": "Pipe union",
    "description": "Rod-end working line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_rod_line_fitting_1",
    "label": "Pipe union",
    "description": "Rod-end working line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_selector",
    "label": "Tandem-centre selector valve",
    "description": "Extend connects P to A and B to T; retract connects P to B and A to T. Neutral connects P to T while A and B are blocked. Coloured routes explain connectivity, not a manufactured internal spool profile.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.65
    ],
    "parent": "lab_hydraulic",
    "children": [
      "lab_hydraulic_gallery_extend",
      "lab_hydraulic_gallery_neutral",
      "lab_hydraulic_gallery_retract",
      "lab_hydraulic_label_A",
      "lab_hydraulic_label_B",
      "lab_hydraulic_label_P",
      "lab_hydraulic_label_T",
      "lab_hydraulic_port_A",
      "lab_hydraulic_port_B",
      "lab_hydraulic_port_P",
      "lab_hydraulic_port_T",
      "lab_hydraulic_selector_label",
      "lab_hydraulic_selector_note",
      "lab_hydraulic_valve_backplate",
      "lab_hydraulic_valve_body"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_gallery_extend",
    "label": "Selector extend connections",
    "description": "Open-view routing: Pressure P to A; Return B to T. Both active connections pass through the selector. Crossing galleries are separated in depth and do not join.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "selector_state": "extend",
    "parent": "lab_hydraulic_selector",
    "children": [
      "lab_hydraulic_gallery_extend_0",
      "lab_hydraulic_gallery_extend_1"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_gallery_extend_0",
    "label": "Pressure P to A",
    "description": "Pressure P to A through the selector; the visible gallery shows connectivity only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_gallery_extend",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_gallery_extend_1",
    "label": "Return B to T",
    "description": "Return B to T through the selector; the visible gallery shows connectivity only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_gallery_extend",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_gallery_neutral",
    "label": "Selector neutral connections",
    "description": "Open-view routing: Pump unload P to T. Both active connections pass through the selector. Crossing galleries are separated in depth and do not join.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "selector_state": "neutral",
    "parent": "lab_hydraulic_selector",
    "children": [
      "lab_hydraulic_gallery_neutral_0"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_gallery_neutral_0",
    "label": "Pump unload P to T",
    "description": "Pump unload P to T through the selector; the visible gallery shows connectivity only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_gallery_neutral",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_gallery_retract",
    "label": "Selector retract connections",
    "description": "Open-view routing: Pressure P to B; Return A to T. Both active connections pass through the selector. Crossing galleries are separated in depth and do not join.",
    "kind": "assembly",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "selector_state": "retract",
    "parent": "lab_hydraulic_selector",
    "children": [
      "lab_hydraulic_gallery_retract_0",
      "lab_hydraulic_gallery_retract_1"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_hydraulic_gallery_retract_0",
    "label": "Pressure P to B",
    "description": "Pressure P to B through the selector; the visible gallery shows connectivity only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_gallery_retract",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_gallery_retract_1",
    "label": "Return A to T",
    "description": "Return A to T through the selector; the visible gallery shows connectivity only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_gallery_retract",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_label_A",
    "label": "A",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_label_B",
    "label": "B",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_label_P",
    "label": "P",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_label_T",
    "label": "T",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_port_A",
    "label": "Selector port A",
    "description": "Cylinder cap-end connection.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_port_B",
    "label": "Selector port B",
    "description": "Cylinder rod-end connection.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_port_P",
    "label": "Selector port P",
    "description": "Pump supply port.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_port_T",
    "label": "Selector port T",
    "description": "Return to reservoir.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_selector_label",
    "label": "SELECTOR",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_selector_note",
    "label": "PRESSURE + RETURN",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_valve_backplate",
    "label": "Selector diagram backplate",
    "description": "A retained rear section supports the four-port route demonstration. Flow galleries are schematic.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_valve_body",
    "label": "Selector housing",
    "description": "The four-port selector block. Hide the shell to inspect the route overlays.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.6
    ],
    "parent": "lab_hydraulic_selector",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_suction",
    "label": "Suction line",
    "description": "Reservoir to pump inlet.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_suction_fitting_0",
    "label": "Pipe union",
    "description": "Suction line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_suction_fitting_1",
    "label": "Pipe union",
    "description": "Suction line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_supply",
    "label": "Pump supply line",
    "description": "Pump outlet to selector P; this also feeds the protective relief branch.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_supply_fitting_0",
    "label": "Pipe union",
    "description": "Pump supply line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_hydraulic_supply_fitting_1",
    "label": "Pipe union",
    "description": "Pump supply line connection; geometry is illustrative.",
    "kind": "part",
    "system": "Hydraulics",
    "source": "AAE2003 Chapter 2 pp.8–14; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_hydraulic",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo",
    "label": "Oleo shock strut",
    "description": "Inspect the hollow sliding inner tube, wheel-bearing seats and fixed metering orifice. The slow 16-second cycle shows oil crossing the restriction and gas space reducing. Gas stores recoverable energy; restricted oil flow dissipates energy as heat. The prescribed timing is not a prediction of touchdown response.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": null,
    "children": [
      "lab_oleo_base",
      "lab_oleo_inner",
      "lab_oleo_lower_oil",
      "lab_oleo_outer"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_oleo_base",
    "label": "Oleo exhibit base",
    "description": "Display support only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_inner",
    "label": "Sliding inner assembly",
    "description": "The wheel axle and inner cylinder move upward during compression.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      -0.3,
      0.0
    ],
    "lab_motion": "oleo_inner",
    "lab_translation": [
      0.0,
      0.55,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_oleo",
    "children": [
      "lab_oleo_axle",
      "lab_oleo_axle_boss_0",
      "lab_oleo_axle_boss_1",
      "lab_oleo_axle_end_0",
      "lab_oleo_axle_end_1",
      "lab_oleo_axle_shoulder_0",
      "lab_oleo_axle_shoulder_1",
      "lab_oleo_bearing_race_0",
      "lab_oleo_bearing_race_1",
      "lab_oleo_inner_bottom",
      "lab_oleo_inner_label",
      "lab_oleo_inner_shell",
      "lab_oleo_inner_tube"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_oleo_axle",
    "label": "Wheel axle",
    "description": "Moves with the lower strut. Each wheel rotates on bearings around this non-rotating axle. The wheels are omitted so the seats and shoulders can be inspected.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_axle_boss_0",
    "label": "Axle wheel-bearing seat 1",
    "description": "This machined cylindrical journal supports the inner race of a wheel bearing. The adjacent raised shoulder locates the race axially. The wheel and its outer bearing race rotate around the stationary axle.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "how_it_works": "Radial wheel load passes from the wheel hub through rolling elements and the inner bearing race into this seat, then through the axle to the sliding strut. The seat is a locating surface, not a rolling bearing by itself.",
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_axle_boss_1",
    "label": "Axle wheel-bearing seat 2",
    "description": "This machined cylindrical journal supports the inner race of a wheel bearing. The adjacent raised shoulder locates the race axially. The wheel and its outer bearing race rotate around the stationary axle.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "how_it_works": "Radial wheel load passes from the wheel hub through rolling elements and the inner bearing race into this seat, then through the axle to the sliding strut. The seat is a locating surface, not a rolling bearing by itself.",
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_axle_end_0",
    "label": "Axle retaining-nut interface",
    "description": "Generic end interface for axial wheel retention. No servicing torque or production thread is specified.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_axle_end_1",
    "label": "Axle retaining-nut interface",
    "description": "Generic end interface for axial wheel retention. No servicing torque or production thread is specified.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_axle_shoulder_0",
    "label": "Bearing locating shoulder",
    "description": "Raised axle shoulder locates the bearing inner race along the axle.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_axle_shoulder_1",
    "label": "Bearing locating shoulder",
    "description": "Raised axle shoulder locates the bearing inner race along the axle.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_bearing_race_0",
    "label": "Wheel-bearing inner race section",
    "description": "A removable half-race resting on the machined seat. Rolling elements and wheel hub are omitted in this local section; the bore-to-seat interface remains visible.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.5
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_bearing_race_1",
    "label": "Wheel-bearing inner race section",
    "description": "A removable half-race resting on the machined seat. Rolling elements and wheel hub are omitted in this local section; the bore-to-seat interface remains visible.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      -0.5
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_inner_bottom",
    "label": "Inner cylinder lower closure",
    "description": "Sealed lower boundary rises with the sliding member.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_inner_label",
    "label": "SLIDING TUBE",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_inner_shell",
    "label": "Removable inner tube half",
    "description": "Hide this section to reveal lower liquid space.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.65
    ],
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_inner_tube",
    "label": "Sliding inner tube section",
    "description": "The hollow lower load-carrying member slides through the upper barrel guide and seal. Its polished outer surface is the running surface; the open section exposes the wall thickness and lower oil chamber. Wheel loads enter through the axle and are transmitted into the strut.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "how_it_works": "Compression raises the inner tube and reduces the lower liquid space. Oil passes through the restriction into the upper chamber, reducing the gas volume. The tube remains guided in the fixed upper barrel.",
    "parent": "lab_oleo_inner",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_lower_oil",
    "label": "Lower hydraulic-fluid chamber",
    "description": "The rising lower boundary displaces liquid through a metering restriction. This is a sectional teaching volume.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.85,
      0.0,
      0.0
    ],
    "lab_motion": "oleo_lower_oil",
    "lab_translation": [
      0.0,
      0.275,
      0.0
    ],
    "lab_scale": [
      1.0,
      0.7362110311750599,
      1.0
    ],
    "parent": "lab_oleo",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_outer",
    "label": "Fixed outer strut",
    "description": "The upper barrel is attached to the airframe. The lower member translates relative to it.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.75,
      0.0
    ],
    "parent": "lab_oleo",
    "children": [
      "lab_oleo_gas",
      "lab_oleo_gas_label",
      "lab_oleo_gas_valve",
      "lab_oleo_gland",
      "lab_oleo_metering_plate",
      "lab_oleo_metering_support",
      "lab_oleo_oil_label",
      "lab_oleo_orifice_liquid",
      "lab_oleo_outer_barrel",
      "lab_oleo_outer_shell",
      "lab_oleo_restriction_label",
      "lab_oleo_restriction_leader",
      "lab_oleo_top_cap",
      "lab_oleo_upper_oil",
      "lab_oleo_wiper"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_oleo_gas",
    "label": "Compressed gas space",
    "description": "Gas provides spring action. Its visible space shrinks during compression; this model does not calculate gas pressure or temperature.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "oleo_gas",
    "lab_translation": [
      0.0,
      0.16149765788742707,
      0.0
    ],
    "lab_scale": [
      1.0,
      0.5859034413142896,
      1.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_gas_label",
    "label": "GAS",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_gas_valve",
    "label": "Gas charging valve",
    "description": "Generic gas charging interface, shown for identification only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_gland",
    "label": "Lower bearing and seal gland",
    "description": "Maintains alignment and seals the sliding inner member.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_metering_plate",
    "label": "Metering plate and orifice",
    "description": "The central opening restricts oil transfer between lower and upper liquid chambers. A pressure difference drives flow through the opening; the resulting losses dissipate mechanical energy as heat. The opening is intentionally enlarged for inspection.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.65,
      0.0,
      0.25
    ],
    "how_it_works": "During compression the rising inner tube displaces oil upwards through this hole and compresses the gas. During extension oil flows back. This simplified fixed-orifice exhibit omits variable metering pins and rebound valves; the 16-second cycle is prescribed, not a calculation of damping or impact response.",
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_metering_support",
    "label": "Internal chamber shoulder",
    "description": "Sectional transition from the lower flow chamber into the wider upper chamber. The 0.345 m shoulder bore clears the 0.340 m sliding tube.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_oil_label",
    "label": "OIL",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_orifice_liquid",
    "label": "Oil passage through metering orifice",
    "description": "The open centre preserves a clear view through the restricted passage. Animated markers show the direction of oil transfer during the slow cycle; marker speed is not a flow-rate measurement.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_outer_barrel",
    "label": "Outer barrel section",
    "description": "A retained rear section of the upper load-bearing cylinder.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_outer_shell",
    "label": "Removable outer barrel half",
    "description": "Hide this front half to reveal the upper gas and oil spaces.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.85
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_restriction_label",
    "label": "ORIFICE",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_restriction_leader",
    "label": "Metering-orifice identification leader",
    "description": "Display annotation pointing to the orifice plate; not an aircraft pipe.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_top_cap",
    "label": "Upper attachment cap",
    "description": "Closes the gas chamber; no gas servicing procedure is provided.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.4,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_upper_oil",
    "label": "Upper hydraulic-fluid space",
    "description": "Oil displaced through the restriction raises the gas/oil boundary. Energy loss across the restriction provides damping in a real strut.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "oleo_upper_oil",
    "lab_translation": [
      0.0,
      0.16149765788742707,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.5046801808982095,
      1.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_oleo_wiper",
    "label": "Wiper and seal",
    "description": "Schematic external seal at the sliding member.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_oleo_outer",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake",
    "label": "Multi-disc wheel brake",
    "description": "Amber wheel-driven rotors alternate with teal stators. Outer rotor slots engage the wheel keys; inner stator slots engage the fixed torque tube. Hydraulic pistons move the pressure plate and close the exaggerated inspection gaps against the backing plate. The colours identify motion constraints, not production materials.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": null,
    "children": [
      "lab_brake_base",
      "lab_brake_rotor_legend",
      "lab_brake_stand",
      "lab_brake_stationary",
      "lab_brake_stator_legend",
      "lab_brake_wheel"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_base",
    "label": "Brake exhibit base",
    "description": "Display support only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_legend",
    "label": "ROTOR  -  WHEEL DRIVEN",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stand",
    "label": "Display stand",
    "description": "Studio support beneath the axle; not aircraft hardware.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stationary",
    "label": "Stationary brake structure",
    "description": "The axle, torque tube, carrier and stators resist torque. They do not turn with the wheel.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.65,
      0.0,
      0.0
    ],
    "parent": "lab_brake",
    "children": [
      "lab_brake_axle",
      "lab_brake_backing_plate",
      "lab_brake_piston_1",
      "lab_brake_piston_2",
      "lab_brake_piston_3",
      "lab_brake_piston_4",
      "lab_brake_piston_5",
      "lab_brake_piston_6",
      "lab_brake_piston_bore_1",
      "lab_brake_piston_bore_2",
      "lab_brake_piston_bore_3",
      "lab_brake_piston_bore_4",
      "lab_brake_piston_bore_5",
      "lab_brake_piston_bore_6",
      "lab_brake_piston_cap_1",
      "lab_brake_piston_cap_2",
      "lab_brake_piston_cap_3",
      "lab_brake_piston_cap_4",
      "lab_brake_piston_cap_5",
      "lab_brake_piston_cap_6",
      "lab_brake_piston_carrier",
      "lab_brake_pressure_feed",
      "lab_brake_pressure_plate",
      "lab_brake_stator_1",
      "lab_brake_stator_2",
      "lab_brake_stator_3",
      "lab_brake_stator_4",
      "lab_brake_stator_key_0",
      "lab_brake_stator_key_1",
      "lab_brake_stator_key_2",
      "lab_brake_stator_key_3",
      "lab_brake_stator_key_4",
      "lab_brake_stator_key_5",
      "lab_brake_torque_tube"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_axle",
    "label": "Stationary axle",
    "description": "Supports the wheel bearings and stationary brake structure.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.45,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_backing_plate",
    "label": "Backing plate",
    "description": "Fixed reaction plate at the end of the friction stack.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.4,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_1",
    "label": "Hydraulic pressure piston 1",
    "description": "Hydraulic pressure urges the piston against the pressure plate. The piston remains engaged in its guide at full application. No operating pressure is prescribed.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.435,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_2",
    "label": "Hydraulic pressure piston 2",
    "description": "Hydraulic pressure urges the piston against the pressure plate. The piston remains engaged in its guide at full application. No operating pressure is prescribed.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.435,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_3",
    "label": "Hydraulic pressure piston 3",
    "description": "Hydraulic pressure urges the piston against the pressure plate. The piston remains engaged in its guide at full application. No operating pressure is prescribed.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.435,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_4",
    "label": "Hydraulic pressure piston 4",
    "description": "Hydraulic pressure urges the piston against the pressure plate. The piston remains engaged in its guide at full application. No operating pressure is prescribed.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.435,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_5",
    "label": "Hydraulic pressure piston 5",
    "description": "Hydraulic pressure urges the piston against the pressure plate. The piston remains engaged in its guide at full application. No operating pressure is prescribed.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.435,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_6",
    "label": "Hydraulic pressure piston 6",
    "description": "Hydraulic pressure urges the piston against the pressure plate. The piston remains engaged in its guide at full application. No operating pressure is prescribed.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.435,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_bore_1",
    "label": "Piston bore",
    "description": "Stationary guide bore for a pressure piston. The elongated guide accommodates the deliberately enlarged teaching travel.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_bore_2",
    "label": "Piston bore",
    "description": "Stationary guide bore for a pressure piston. The elongated guide accommodates the deliberately enlarged teaching travel.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_bore_3",
    "label": "Piston bore",
    "description": "Stationary guide bore for a pressure piston. The elongated guide accommodates the deliberately enlarged teaching travel.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_bore_4",
    "label": "Piston bore",
    "description": "Stationary guide bore for a pressure piston. The elongated guide accommodates the deliberately enlarged teaching travel.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_bore_5",
    "label": "Piston bore",
    "description": "Stationary guide bore for a pressure piston. The elongated guide accommodates the deliberately enlarged teaching travel.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_bore_6",
    "label": "Piston bore",
    "description": "Stationary guide bore for a pressure piston. The elongated guide accommodates the deliberately enlarged teaching travel.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_cap_1",
    "label": "Piston bore closure",
    "description": "Closes the illustrative pressure chamber behind the piston.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_cap_2",
    "label": "Piston bore closure",
    "description": "Closes the illustrative pressure chamber behind the piston.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_cap_3",
    "label": "Piston bore closure",
    "description": "Closes the illustrative pressure chamber behind the piston.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_cap_4",
    "label": "Piston bore closure",
    "description": "Closes the illustrative pressure chamber behind the piston.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_cap_5",
    "label": "Piston bore closure",
    "description": "Closes the illustrative pressure chamber behind the piston.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_cap_6",
    "label": "Piston bore closure",
    "description": "Closes the illustrative pressure chamber behind the piston.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_piston_carrier",
    "label": "Pressure-piston carrier",
    "description": "Stationary annular housing. Hydraulic pressure drives circumferential pistons toward the pressure plate.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.7,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_pressure_feed",
    "label": "Brake pressure inlet",
    "description": "Supply interface only; the aircraft brake control, accumulator and anti-skid circuits are outside this mechanism.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_pressure_plate",
    "label": "Pressure plate",
    "description": "Receives piston force and clamps the stack toward the fixed backing plate.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.5,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.435,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_1",
    "label": "Stationary friction disc 1",
    "description": "Its inner keys transfer torque into the torque tube. It remains rotationally fixed while permitting axial movement.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.12,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.0575,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [
      "lab_brake_stator_1_disc"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_stator_1_disc",
    "label": "Teal stator 1 — inner torque slots",
    "description": "The stator does not rotate. Six visible inner-edge slots engage the fixed torque-tube keys while allowing the disc to slide axially. Teal is an identification colour, not a material specification.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stator_1",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_2",
    "label": "Stationary friction disc 2",
    "description": "Its inner keys transfer torque into the torque tube. It remains rotationally fixed while permitting axial movement.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.24,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.1575,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [
      "lab_brake_stator_2_disc"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_stator_2_disc",
    "label": "Teal stator 2 — inner torque slots",
    "description": "The stator does not rotate. Six visible inner-edge slots engage the fixed torque-tube keys while allowing the disc to slide axially. Teal is an identification colour, not a material specification.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stator_2",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_3",
    "label": "Stationary friction disc 3",
    "description": "Its inner keys transfer torque into the torque tube. It remains rotationally fixed while permitting axial movement.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.36,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.2575,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [
      "lab_brake_stator_3_disc"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_stator_3_disc",
    "label": "Teal stator 3 — inner torque slots",
    "description": "The stator does not rotate. Six visible inner-edge slots engage the fixed torque-tube keys while allowing the disc to slide axially. Teal is an identification colour, not a material specification.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stator_3",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_4",
    "label": "Stationary friction disc 4",
    "description": "Its inner keys transfer torque into the torque tube. It remains rotationally fixed while permitting axial movement.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.48,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.35750000000000004,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_stationary",
    "children": [
      "lab_brake_stator_4_disc"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_stator_4_disc",
    "label": "Teal stator 4 — inner torque slots",
    "description": "The stator does not rotate. Six visible inner-edge slots engage the fixed torque-tube keys while allowing the disc to slide axially. Teal is an identification colour, not a material specification.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stator_4",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_key_0",
    "label": "Fixed torque-tube key",
    "description": "Fits the inner-edge slots of the teal stators. It prevents stator rotation while permitting axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_key_1",
    "label": "Fixed torque-tube key",
    "description": "Fits the inner-edge slots of the teal stators. It prevents stator rotation while permitting axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_key_2",
    "label": "Fixed torque-tube key",
    "description": "Fits the inner-edge slots of the teal stators. It prevents stator rotation while permitting axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_key_3",
    "label": "Fixed torque-tube key",
    "description": "Fits the inner-edge slots of the teal stators. It prevents stator rotation while permitting axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_key_4",
    "label": "Fixed torque-tube key",
    "description": "Fits the inner-edge slots of the teal stators. It prevents stator rotation while permitting axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_key_5",
    "label": "Fixed torque-tube key",
    "description": "Fits the inner-edge slots of the teal stators. It prevents stator rotation while permitting axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_torque_tube",
    "label": "Torque tube",
    "description": "Stator keys transmit braking torque into this fixed structural member.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      -0.25,
      0.0,
      0.0
    ],
    "parent": "lab_brake_stationary",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_stator_legend",
    "label": "STATOR  -  TORQUE TUBE",
    "description": "Exhibit lettering; diagrammatic label only.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_wheel",
    "label": "Wheel and rotor assembly",
    "description": "The wheel hub, drive keys and brake rotors rotate together. Individual rotors can slide axially as the stack is clamped.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      1.8,
      0.0,
      0.0
    ],
    "lab_motion": "brake_rotation",
    "lab_axis": [
      1.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake",
    "children": [
      "lab_brake_rotor_1",
      "lab_brake_rotor_2",
      "lab_brake_rotor_3",
      "lab_brake_rotor_key_0",
      "lab_brake_rotor_key_1",
      "lab_brake_rotor_key_2",
      "lab_brake_rotor_key_3",
      "lab_brake_rotor_key_4",
      "lab_brake_rotor_key_5",
      "lab_brake_rotor_key_6",
      "lab_brake_rotor_key_7",
      "lab_brake_spoke_0",
      "lab_brake_spoke_1",
      "lab_brake_spoke_2",
      "lab_brake_spoke_3",
      "lab_brake_spoke_4",
      "lab_brake_spoke_5",
      "lab_brake_spoke_6",
      "lab_brake_spoke_7",
      "lab_brake_wheel_hub",
      "lab_brake_wheel_rim"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_rotor_1",
    "label": "Rotating friction disc 1",
    "description": "Driven by the wheel at its outer tabs; rotates between stationary stator faces and may slide axially.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.13,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.1075,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_wheel",
    "children": [
      "lab_brake_rotor_1_disc"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_rotor_1_disc",
    "label": "Amber rotor 1 — outer drive slots",
    "description": "The rotor turns with the wheel. Eight visible outer-edge slots receive the wheel drive keys, while the inner bore clears the fixed torque tube. Amber is an identification colour, not a material specification.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_rotor_1",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_2",
    "label": "Rotating friction disc 2",
    "description": "Driven by the wheel at its outer tabs; rotates between stationary stator faces and may slide axially.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.26,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.20750000000000002,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_wheel",
    "children": [
      "lab_brake_rotor_2_disc"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_rotor_2_disc",
    "label": "Amber rotor 2 — outer drive slots",
    "description": "The rotor turns with the wheel. Eight visible outer-edge slots receive the wheel drive keys, while the inner bore clears the fixed torque tube. Amber is an identification colour, not a material specification.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_rotor_2",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_3",
    "label": "Rotating friction disc 3",
    "description": "Driven by the wheel at its outer tabs; rotates between stationary stator faces and may slide axially.",
    "kind": "assembly",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.39,
      0.0,
      0.0
    ],
    "lab_motion": "brake_apply",
    "lab_translation": [
      -0.3075,
      0.0,
      0.0
    ],
    "lab_scale": [
      1.0,
      1.0,
      1.0
    ],
    "parent": "lab_brake_wheel",
    "children": [
      "lab_brake_rotor_3_disc"
    ],
    "type": "EMPTY"
  },
  {
    "id": "lab_brake_rotor_3_disc",
    "label": "Amber rotor 3 — outer drive slots",
    "description": "The rotor turns with the wheel. Eight visible outer-edge slots receive the wheel drive keys, while the inner bore clears the fixed torque tube. Amber is an identification colour, not a material specification.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_rotor_3",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_0",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_1",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_2",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_3",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_4",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_5",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_6",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_rotor_key_7",
    "label": "Rotating wheel drive key",
    "description": "Fits the outer-edge slots in each amber rotor. The wheel drives the rotors through these keys while allowing axial sliding.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_0",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_1",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_2",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_3",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_4",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_5",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_6",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_spoke_7",
    "label": "Wheel web spoke",
    "description": "Original open wheel web selected to expose the brake. This is not a production wheel design.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.0,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_wheel_hub",
    "label": "Rotating wheel hub",
    "description": "Rotates on bearings around the fixed axle.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": false,
    "explode": [
      0.5,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  },
  {
    "id": "lab_brake_wheel_rim",
    "label": "Wheel rim section",
    "description": "A removable rim section carrying the rotating disc drive keys.",
    "kind": "part",
    "system": "Landing gear",
    "source": "AAE2003 Chapter 3 pp.8–11; FAA-H-8083-31B Chapter 12 (hydraulics) / Chapter 13 (landing gear). Original illustrative teaching geometry, not an OEM design.",
    "shell": true,
    "explode": [
      0.75,
      0.0,
      0.0
    ],
    "parent": "lab_brake_wheel",
    "children": [],
    "type": "MESH"
  }
]