4-Link Suspension Geometry Calculator
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`; }| Parameter | Description |
|---|---|
| Upper Link Length (UL) | Length of the upper control arm/link |
| Lower Link Length (LL) | Length of the lower control arm/link |
| Upper Link Angle (ULA) | Angle of the upper link relative to the horizontal |
| Lower Link Angle (LLA) | Angle of the lower link relative to the horizontal |
| Roll Center Height (RCH) | Height of the roll center from the ground |
| Anti-Squat Percentage | Percentage of weight transfer under acceleration countered by suspension geometry |
| Anti-Dive Percentage | Percentage of weight transfer under braking countered by suspension geometry |
| Instant Center (IC) | Point where the upper and lower links intersect when extended |
| Vertical Separation (VS) | Distance between upper and lower links at the axle end |
| Horizontal Separation (HS) | Distance between upper and lower links at the chassis end |
| Pinion Angle | Angle of the differential pinion relative to the driveshaft |
| Track Width (TW) | Distance between the left and right wheels |
| Wheelbase (WB) | Distance between the front and rear axles |
| Suspension Travel | Maximum vertical movement of the axle |
| Ride Height (RH) | Height of the chassis from the ground |
| Spring Rate | Stiffness of the suspension springs (measured in lbs/in or N/mm) |
| Shock Absorber Characteristics | Damping properties of the shock absorbers |