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        "material": "gold",
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      "intake-runner-1-4": {
        "material": "gold",
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        "solids": 1,
        "solid_volume_m3": 0.00027482652533603524
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      "intake-runner-1-5": {
        "material": "gold",
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        "solid_volume_m3": 0.00027482652533603524
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      "intake-runner-1-6": {
        "material": "gold",
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        "solid_volume_m3": 0.0002748265253360347
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      "intake-runner-1-7": {
        "material": "gold",
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        "solids": 1,
        "solid_volume_m3": 0.0002748265253360344
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      "pressure-deck": {
        "material": "carbon",
        "kind": "SANDWICH_DECK_WITH_FOUR_FEED_WINDOWS",
        "solids": 1,
        "solid_volume_m3": 0.10451999999999997
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      "floor-feeds": {
        "material": "duct",
        "kind": "ROUTED_FLAT_FEED_SHELLS_WITH_OPEN_FLOOR_PORTS",
        "solids": 1,
        "solid_volume_m3": 0.008111599999998276
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      "floor-outlet-collector": {
        "material": "duct",
        "kind": "DISCHARGE_COLLECTOR_ENCLOSURE_ALLOCATION",
        "solids": 1,
        "solid_volume_m3": 0.03969000000000001
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      "floor-outlet-chimney": {
        "material": "duct",
        "kind": "VERTICAL_DISCHARGE_ENCLOSURE_ALLOCATION",
        "solids": 1,
        "solid_volume_m3": 0.05265000000000001
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      "floor-front-crossfeed": {
        "material": "duct",
        "kind": "CROSSFEED_ENCLOSURE_ALLOCATION",
        "solids": 1,
        "solid_volume_m3": 0.044719999999999996
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      "floor-feed-riser": {
        "material": "duct",
        "kind": "LARGE_AREA_RISER_ENCLOSURE_ALLOCATION",
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        "solid_volume_m3": 0.0035879999999999996
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      "floor-inlet-collector": {
        "material": "duct",
        "kind": "COMMON_INLET_PLENUM_ENVELOPE",
        "solids": 1,
        "solid_volume_m3": 0.04263000000000001
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      "skirt-side--1": {
        "material": "gold",
        "kind": "FLEXIBLE_SEAL_ENVELOPE",
        "solids": 1,
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      "skirt-side-1": {
        "material": "gold",
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      "skirt-end-1.42": {
        "material": "gold",
        "kind": "FLEXIBLE_SEAL_ENVELOPE",
        "solids": 1,
        "solid_volume_m3": 0.0017784000000000014
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      "skirt-end-3.38": {
        "material": "gold",
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      "floor-partition-x": {
        "material": "carbon",
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        "solid_volume_m3": 0.004446000000000004
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      "floor-partition-y": {
        "material": "carbon",
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      "floor-rotors-0": {
        "material": "gold",
        "kind": "HIGH_HUB_RATIO_ROTOR_BLANK_GEOMETRY",
        "solids": 295,
        "solid_volume_m3": 0.0011965563494306993
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      "floor-rotors-1": {
        "material": "gold",
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        "solids": 295,
        "solid_volume_m3": 0.0011965563494307021
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      "floor-rotors-2": {
        "material": "gold",
        "kind": "HIGH_HUB_RATIO_ROTOR_BLANK_GEOMETRY",
        "solids": 295,
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      "floor-shafts": {
        "material": "metal",
        "kind": "20MM_SHAFT_ENVELOPE",
        "solids": 3,
        "solid_volume_m3": 0.0006974335690969348
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      "floor-barrels": {
        "material": "duct",
        "kind": "BARREL_ENVELOPE",
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        "solid_volume_m3": 0.00428865096326848
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      "floor-motor": {
        "material": "carbon",
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        "solid_volume_m3": 0.0032904256055536086
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      "input-pulley": {
        "material": "gold",
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        "solid_volume_m3": 0.00012566370614359182
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      "pulley-0": {
        "material": "gold",
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      "pulley-1": {
        "material": "gold",
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      "pulley-2": {
        "material": "gold",
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      "nitrogen-dewar": {
        "material": "cold",
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      "nitrogen-liquid-path": {
        "material": "cold",
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      "nitrogen-pump": {
        "material": "cold",
        "kind": "PUMP_ENCLOSURE_ALLOCATION",
        "solids": 1,
        "solid_volume_m3": 0.0021419999999999985
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      "hot-exchanger": {
        "material": "hot",
        "kind": "8P5KG_PARALLEL_TUBE_BANK_CORE_ALLOCATION",
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        "solid_volume_m3": 0.08910000000000001
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      "nitrogen-expanders": {
        "material": "metal",
        "kind": "UNVERIFIED_EXPANDER_GENERATOR_ALLOCATION",
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        "solid_volume_m3": 0.03200000000000002
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      "hot-inlet-plenum": {
        "material": "hot",
        "kind": "PARALLEL_GAS_INLET_PLENUM_ALLOCATION",
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        "solid_volume_m3": 0.026366999999999988
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      "exhaust-path--1": {
        "material": "hot",
        "kind": "200MM_ID_GAS_ROUTE_PLUS_WALL_INSULATION_ENVELOPE",
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        "solid_volume_m3": 0.02897043734807289
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      "upper-port--1": {
        "material": "duct",
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        "solids": 1,
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      "upper-port-rear--1": {
        "material": "duct",
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      "exhaust-path-1": {
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      "upper-port-1": {
        "material": "duct",
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      "upper-port-rear-1": {
        "material": "duct",
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      "arm-1.0--1-0.32-1.22": {
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      "arm-1.0--1-0.65-0.78": {
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        "name": "Traction pack: eighteen 12s9p modules, 6 by 3 arrangement",
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        "name": "Propulsion engine and transmission allocation",
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        "name": "Floor feed riser allocation",
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      "The engine/transmission and expander/generator are unverified installation allocations, not vendor CAD.",
      "Rotor blanks show diameter, span, count and spacing; no qualified blade airfoil or stator arrangement is represented.",
      "The skin is a flow/space envelope with layout cutouts, not a structurally sized monocoque.",
      "Furniture and suspension rods illustrate reserved spaces and topology, not human/crash/kinematic qualification.",
      "The changed route has no qualified duct-loss or whole-body drag coefficient. Existing v3 duct CFD does not transfer. Published P4.3 is unchanged.",
      "Feed roof ribs and their junctions are dimensioned requirements in the separate precheck, not complete laminate/adhesive manufacturing geometry. Pairwise service, hose, containment, complete suspension kinematics and receiving-frame checks remain separate."
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    ],
    "all_pass": true
  },
  "front-v7-hot-routing-checks.json": {
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      {
        "pair": "exhaust routes / nitrogen-dewar",
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    ],
    "all_pass": true,
    "interfaces": "Engine outlet and hot plenum connections are intentional fluid interfaces; they are not treated as unrelated-component overlaps."
  },
  "front-v7-precheck.json": {
    "physical_measurements": 0,
    "classification": "DIMENSIONED_ROUTING_AND_PRELIMINARY_ROOF_SCREEN",
    "feed_stations": [
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    "minimum_feed_airway_clearance_m": 0.02200000000000002,
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      {
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      {
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      {
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    ],
    "minimum_trunk_pair_area_after_ribs_m2": 0.07891200000000001,
    "four_branch_area_after_ribs_m2": 0.07567999999999998,
    "model_flow_area_m2": 0.072,
    "nominal_wall_rib_mass_kg": 23.850112000000003,
    "installed_feed_allowance_kg": 28.0,
    "remaining_feed_mass_allowance_kg": 4.149887999999997,
    "feed_gas_volume_sum_upper_bound_before_rib_subtraction_m3": 0.28049710400000005,
    "complete_manifold_volume_requirement_m3": 0.4,
    "roof": {
      "wall_m": 0.001,
      "maximum_supported_span_m": 0.05,
      "reduced_E_Pa_requirement": 48000000000.0,
      "allowable_stress_Pa_requirement": 300000000.0,
      "operating": {
        "stress_Pa": 22500000.0,
        "deflection_m": 0.00024414062500000005
      },
      "factored": {
        "stress_Pa": 42187500.0,
        "deflection_m": 0.00045776367187500005
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    },
    "checks": {
      "feed_airway_15mm": true,
      "sampled_wheel_clearances": true,
      "trunk_area": true,
      "branch_area": true,
      "feed_mass": true,
      "roof_stress": true,
      "roof_deflection": true
    },
    "limits": [
      "One-millimetre carbon walls with longitudinal ribs at at most 50 mm spacing are requirements, not laminate/bond/fatigue qualification.",
      "The panel strip screen does not size junctions, doors, full receiving chassis or crash structures.",
      "Manifold connectors, valves and front collector are allocated separately; the complete upstream volume is budgeted at 0.36 m3.",
      "The pack is raised 30 mm, with its changed centroid paid in the vehicle model."
    ],
    "all_pass": true
  }
}