Speed-Wiz

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Calculations
  Vehicle
  Engine calculations
  Turbochargers
  Engine simulation
  Suspension
    Anti-dive
    Anti-lift
    Anti-squat
    Anti-roll bar
    Coil spring rate
    Leaf spring rate
    Wheel rates
    Weights
    A-arms
    Struts
    4-link
    Steering
    Torsion bar
  Chassis
  Performance
  Reference
  Data logging
  Fun stuff
  Lap timer
  Strategy
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Steering Geometry Simulation

The steering geometry simulation works with front steer or rear steer setups.

The steering rack can be dragged side to side with the mouse, or it can be moved with the scroll bar.

Numerous calculations are made instantaneously while you move the steering rack:

  • Rack travel
  • Tire angles
  • Toe distance and angle
  • Tie rod effective length
  • Steering arm effective length
  • Tie rod angles
  • Steering arm angles
  • Tie rod-to-steering arm angle
  • Ackerman steering position and relation
  • Turning circle diameter ("turning radius")


Front steer


Rear steer


The static arms option displays the positions of the tie rods and steering arms with zero steer.


The Static tires option displays the position of the tires with zero steer.


The Trails option displays the paths of the tie rod / steering arm intersection point.


The Ackerman option shows imaginary lines to help you envision Ackerman steering geometry.


Zooming out makes the diagram smaller and allows you to see the Ackerman steering
imaginary line intersection points compared with the position of the rear axle.

Steering input

Steering geometry graph

Economical & Accurate Laser Suspension Measuring


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