{
  "engine": "Project Chrono / PyChrono",
  "engine_version": "9.0.1",
  "experiment": "spinning rotor on a central spherical gimbal under a world-horizontal torque pulse",
  "material_density_kg_m3": 7800.0,
  "initial_spin_rad_s": 100.0,
  "pulse_torque_N_m": 0.08,
  "pulse_duration_s": 0.05,
  "duration_s": 0.3,
  "time_step_s": 0.0005,
  "shaft_radius_mm": 10.0,
  "outer_radius_mm": 45.0,
  "half_length_mm": 40.0,
  "required_relative_rms_tilt_reduction": 0.1,
  "maximum_relative_mass_change": 1e-6,
  "maximum_envelope_change_mm": 1e-6,
  "maximum_interface_missing_mm3": 0.0001,
  "maximum_center_offset_mm": 0.0001,
  "maximum_cross_inertia_kg_m2": 1e-9
}