Suspension Analysis Results

Settings

From C:\Suspension\Previa\previa.xml

Chassis
Chassis Ride Height6.000
Distance between upper chassis links23.708
Distance between lower chassis links16.332
Track Width (c/c tire treads)53.500

Wheel
Static Camber-1.000°
Castor5.500°
Static Toe-in0.450°
Steering Arm Length4.250
Steering rack length23.500

Upper Control Arm
Inner Link Height15.250
Outer Link Height17.625
Arm Length9.847

Lower Control Arm
Inner Link Height7.875
Outer Link Height7.625
Arm Length15.375

Steering Tierod
Steering Rack Height10.500
Steering Arm Height11.500
Tierod Length12.625

Remarks

Previa uprights fitted to my front suspension. Uses my location of the suspension brackets rather than that shown in Champions book. May need a 1/2" spacer under the tie rod ends (I need to verify).

Bump Analysis

Droop from: 2.000 to bump of: 3.500 in steps of: 0.250

Camber range-6.587°1.387°
Roll steer range (toe-in)0.000°0.694°
Roll center height5.149
Lateral RC movement range-0.0000.000
Vertical RC movement range-0.0000.301
Least squares toe-in1.7185090084301262
Least squares camber497.4464003160484

   

Roll Analysis

Roll to: 3.000 ° in steps of: 0.250 °

Camber range-2.280°-0.018°
Roll steer range (toe-in)0.000°0.113°
Roll center height5.149
Lateral RC movement range0.0000.019
Vertical RC movement range0.0000.045
Least squares toe-in0.037450156214575
Least squares camber38.40786207357289

   

Dynamic Analysis

Bump to 1.000 in steps of 0.250 under braking. Turn in roll of 2.000 ° in steps of 0.250 °. Trail braking return from bump, then turn completes.

Camber range-3.080°-0.309°
Roll steer range (toe-in)0.000°0.106°
Roll center height5.149
Lateral RC movement range-0.0010.288
Vertical RC movement range-0.0000.045
Least squares toe-in0.07036383292107377
Least squares camber171.99975409652217

The following graphs show bump in blue, roll angle° in yellow.