{
  "engine": "Project Chrono / PyChrono",
  "engine_version": "9.0.1",
  "experiment": "STEP-derived single-tooth wheel against spring-loaded radial pawl",
  "material_density_kg_m3": 7800.0,
  "contact_friction": 0.1,
  "wheel_drive_torque_N_m": 0.16,
  "wheel_viscous_damping_N_m_s_rad": 0.03,
  "initial_tip_gap_rad": 0.2,
  "pawl_radius_m": 0.01,
  "pawl_density_kg_m3": 1000.0,
  "pawl_reference_y_m": 0.135,
  "pawl_preload_N": 3.0,
  "pawl_spring_stiffness_N_m": 1000.0,
  "duration_s": 1.5,
  "time_step_s": 0.0005,
  "maximum_baseline_forward_rotation_rad": 0.25,
  "minimum_forward_rotation_rad": 2.5,
  "maximum_reverse_rotation_rad": 0.25,
  "minimum_pawl_lift_y_m": 0.136,
  "maximum_relative_mass_change": 1e-6,
  "maximum_envelope_change_mm": 1e-6,
  "maximum_external_added_mm3": 0.0001,
  "maximum_base_missing_mm3": 0.0001,
  "maximum_bore_intrusion_mm3": 0.0001
}