{
  "revision": "P3.2 upward-duct brake layout",
  "evidence": "CONNECTED_CAD_PACKAGING_NOT_SOLVED_FLOW",
  "outlets": [
    {
      "x_m": 1.45,
      "y_m": -0.6764413453233755,
      "outlet_plane_z_m": 1.42,
      "inside_radius_m": 0.13819765978853418
    },
    {
      "x_m": 1.45,
      "y_m": 0.6764413453233755,
      "outlet_plane_z_m": 1.42,
      "inside_radius_m": 0.13819765978853418
    },
    {
      "x_m": 3.32,
      "y_m": -0.6917197653203272,
      "outlet_plane_z_m": 1.42,
      "inside_radius_m": 0.13819765978853418
    },
    {
      "x_m": 3.32,
      "y_m": 0.6917197653203272,
      "outlet_plane_z_m": 1.42,
      "inside_radius_m": 0.13819765978853418
    }
  ],
  "total_exit_area_m2": 0.24,
  "protected_outer_radial_allowance_m": 0.02,
  "exact_branch_component_intersections_m3": {
    "cabin_m3": 0,
    "static_tyres_m3": 0,
    "closed_door_m3": 0,
    "open_door_m3": 0
  },
  "branch_void_to_main_flow_overlap_m3": [
    0.01137240974787349,
    0.011338540347557465,
    0.011775172549769458,
    0.011788675772534406
  ],
  "main_manifold_connected_solids": 2,
  "routing": "The same original paired intakes/neck stream feeds four upward branches in braking. A not-yet-detailed selector closes the rear exits and meters distribution; no second inlet or second credit for the same air is introduced.",
  "limits": [
    "Brake-state outlet planes protrude above the body. Closed speed-state flush covers and exact selector geometry are not yet modelled.",
    "Turn vanes, branch pressure balance, rotor operation, acoustic loads, pitch/roll control and wake interaction require CFD and bench tests.",
    "The 20 mm outer allowance is a protected packaging envelope, not an assigned composite structural wall.",
    "The inlet-to-outlet 1D loss sweep is not a CFD prediction for these junctions.",
    "Dynamic wheel steering/suspension and crash envelopes remain unresolved."
  ],
  "physical_measurements": 0
}
