{
  "title": "DrivAer spoiler: 200 mm centreline section",
  "kind": "geometry-only engineering section",
  "plane": {
    "y_m": 0
  },
  "units": "source metres; dimension labels millimetres",
  "source_body_compressed_sha256": "07f8831152d7b6ff09759046cb7cbe2d2220db8a0fe213aa0d6e42faa33496fe",
  "source_spoiler_obj_sha256": "9438955a49e12921829ce4c2f1d8bf939cdc7accb6953ead78ce28d5425d006e",
  "rendering": "Exact triangle-plane intersections; identity transform; no geometric smoothing. Supports and wheels are outside the centreline cut.",
  "dimensions": {
    "plate_chord_mm": 200,
    "plate_span_mm": 1200,
    "plate_thickness_mm": 12,
    "plate_x_m": [
      3.4,
      3.6
    ],
    "plate_z_m": [
      0.944,
      0.956
    ],
    "support_centre_y_mm": [
      -400,
      400
    ],
    "nominal_plate_planform_m2": 0.24,
    "clearance_x_m": 3.5,
    "body_section_z_at_clearance_m": 0.7343594374081933,
    "clearance_mm": 209.64056259180663
  },
  "limitations": [
    "Not CFD or a force comparison.",
    "Geometry section does not qualify topology, structural design or mesh quality.",
    "Area is span times chord, excluding supports; not wetted or total-device area."
  ],
  "svg_sha256": "7f55513945ce63689243d389db012c12a460bc795fafe63dfc5f90c4dc562bf9"
}