{
  "baseline_endurance_min": 77.2,
  "baseline_power_W": 34.5,
  "cruise_ms": 12.0,
  "rows": [
    {
      "config": "ground-mesh (\u00d82 wires, \u00d88 frame+spine)",
      "mass_g": 160.0,
      "antenna_drag_N_at_12": 1.07,
      "total_drag_N": 2.41,
      "power_W": 68.1,
      "endurance_min": 39.1,
      "endurance_loss_pct": 49.3,
      "sideslip_defl_mm_b15_18ms": 0.3,
      "airworthy": true,
      "note": "beam FEM, 5x lower fin loads"
    },
    {
      "config": "flight-mesh (\u00d81.5, \u00d85 frame, no spine)",
      "mass_g": 90.0,
      "antenna_drag_N_at_12": 0.66,
      "total_drag_N": 1.91,
      "power_W": 54.9,
      "endurance_min": 48.5,
      "endurance_loss_pct": 37.1,
      "sideslip_defl_mm_b15_18ms": 0.9,
      "airworthy": true,
      "note": "frame 4-pt deck mount"
    },
    {
      "config": "faired-mesh (rod fairings Cd 0.35)",
      "mass_g": 95.0,
      "antenna_drag_N_at_12": 0.5,
      "total_drag_N": 1.76,
      "power_W": 50.8,
      "endurance_min": 52.4,
      "endurance_loss_pct": 32.1,
      "sideslip_defl_mm_b15_18ms": 0.9,
      "airworthy": true,
      "note": ""
    },
    {
      "config": "solid 1.6 mm metallized FR4 edge-on",
      "mass_g": 320.0,
      "antenna_drag_N_at_12": 0.27,
      "total_drag_N": 1.81,
      "power_W": 52.4,
      "endurance_min": 50.9,
      "endurance_loss_pct": 34.1,
      "sideslip_defl_mm_b15_18ms": 1.8,
      "airworthy": true,
      "note": "solderable Cu face (collar bond)"
    },
    {
      "config": "solid 0.5 mm ALU sheet edge-on",
      "mass_g": 180.0,
      "antenna_drag_N_at_12": 0.27,
      "total_drag_N": 1.62,
      "power_W": 47.3,
      "endurance_min": 56.3,
      "endurance_loss_pct": 27.0,
      "sideslip_defl_mm_b15_18ms": 17.3,
      "airworthy": false,
      "note": "t^3: 9.5x floppier than FR4 1.6 - flutter risk; no solderable face"
    }
  ]
}