SuspensionForcesAnalyzer - Rally Stage - Aston Martin DBR9
Per-wheel suspension spring force overlay
Sample Data
| Attribute | Value |
|---|---|
| Source | motec |
| Category | rally_stage |
| File | /Users/mhild/src/durandom/racing/b4racing/packages/source-motec/tests/fixtures/telemetry-NGP-Car_5-Aston_Martin_DBR9-Stage_138-20260122_120000.ld |
Available Channels (30): brake, brake_layer_temp_fl, brake_layer_temp_fr, brake_layer_temp_rl, brake_layer_temp_rr, brake_temp_fl, brake_temp_fr, brake_temp_rl, brake_temp_rr, brake_wear_fl, brake_wear_fr, brake_wear_rl, brake_wear_rr, clutch, damping_force_fl, damping_force_fr, damping_force_rl, damping_force_rr, distance, engine_temp, gear, handbrake, lap_distance_pct, lat_accel, long_accel, pitch, position_x, position_y, position_z, roll
Configuration
| Setting | Value |
|---|---|
| Metadata Only | False |
When to Use
- User asks to see suspension forces
- User wants to understand spring loading
- User asks about suspension balance visually
Key Options
| Option | Description |
|---|---|
show_speed | Show speed overlay on secondary axis (default: True) |
force_type | Force type: spring, damping, rollbar (default: spring) |
Sample Output
Subjects Analyzed: 1 Context: Rally stage data
Spring Forces
Options: force_type=spring, show_speed=True, _config_label=Spring Forces

| Property | Value |
|---|---|
| Format | png |
| DPI | 300 |
| Subjects | 1 |
Example Calls
Show me spring forces
analyze(analyzers='suspension_forces', event='...')
Creates 4-wheel spring force overlay chart
Generated from b4racing.analysis.graphics.suspension_forces.SuspensionForcesAnalyzer