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 91 % Travel Anti-Squat: 88%
Tire Diameter 44.00 in Frame End 26.00[1] 10.50[2] 27.00[3] in Roll Center Height 28 in Travel Roll Center: 29.79 Created 2004.12.04
Tire Rolling Radius 21.00 in Axle End 0.00[4] 2.50[5] 27.00[6] in Roll Axis Angle 4 degrees (Roll Oversteer) Travel Roll Axis: 0.35° by
Vehicle CG Height 40.00[7] in Lower Links x y z   Instant Center X-Axis 71 in Pinion Change: 1.80° Dan Barcroft
 Vehicle Mass 5,000 lb Frame End 32.00[8] 17.00[9] 23.00[10] in Instant Center Z-Axis 27 in Travel Amount: 2.00 triaged@gmail.com
  Front Unsprung Mass 800 lb Axle End 3.00[11] 19.00[12] 20.00[13] in       Travel Increment: 1.00
 
Rear Unsprung Mass
1,200 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