{
  "antenna_mass_g": 151.0,
  "rod_incline_deg": 21.0,
  "static_axial_stress_6g_MPa": 0.31,
  "static_SF_6g": 2248.0,
  "sway_6g_um": 2.0,
  "buckling_N_per_rod": 5188.0,
  "fn_splayed_Hz": 855.0,
  "fn_vertical_ideal_Hz": 105.0,
  "prop_1P_Hz": [
    60,
    100
  ],
  "prop_2P_Hz": [
    120,
    200
  ],
  "prop_disk_overlap_pct": 2.1,
  "fwd_drag_cruise_N": 0.96,
  "verdict": "static PASS (splay carries load axially, SF~2000); vibration CLEARED \u2014 splayed fn ~850 Hz far above the prop band (vertical idealization would have been ~116 Hz, in-band), so keep it stiff, do NOT soft-mount; aero minor (overhang ~2%/disk)"
}