4 Bar Linkage Calculator v3.0   = Mess with these cells
Vehicle Specifications: Suspension Geometry: Geometry Summary:
Wheelbase 110.0 in Upper Links x y z   Static Anti-Squat 74 % Travel Anti-Squat: 62%
Tire Diameter 44.00 in Frame End 24.00[1] 10.50[2] 34.00[3] in Roll Center Height 29 in Travel Roll Center: 11.70 Created 2004.12.04
Tire Rolling Radius 21.00 in Axle End 0.00[4] 7.00[5] 32.00[6] in Roll Axis Angle 1 degrees (Roll Oversteer) Travel Roll Axis: 24.57° by
Vehicle CG Height 48.00[7] in Lower Links x y z   Instant Center X-Axis 110 in Pinion Change: -0.48° Dan Barcroft
 Vehicle Mass 5,000 lb Frame End 39.00[8] 3.00[9] 29.00[10] in Instant Center Z-Axis 41 in Travel Amount: 11.00 triaged@gmail.com
  Front Unsprung Mass 1,000 lb Axle End 4.00[11] 18.50[12] 23.00[13] in       Travel Increment: 1.00
 
Rear Unsprung Mass
1,100 lb
[1]
Forward from rear axle centerline
[2]
This is half (1/2) of your upper link horizontal separation at the frame
[3]
Height from ground
[4]
Forward from rear axle centerline
[5]
This is half (1/2) of your upper link horizontal separation at the axle
[6]
Height from ground
[7]
See VectorCalculations sheet, top left, for Sprung Mass CG & Anti-Squat CG calculations
[8]
Forward from rear axle centerline
[9]
This is half (1/2) of your lower link horizontal separation at the frame
[10]
Height from ground
[11]
Forward from rear axle centerline
[12]
This is half (1/2) of your lower link horizontal separation at the axle end
[13]
Height from ground