Finding your Roll Center on your race car
The measurements below are required to properly diagram and locate front roll center of any car. Utilizing a flat level surface, with the car at proper ride height, obtain a vertical centerline using a plumb. Measure as accurately as possible and insert measurements in the proper place as if you were standing in front of the car.
Utilizing the data and measurements you have gathered from above, layout the measurements on graph paper. Always lay out your graph, full size if possible to avoid errors. The intersection of the lines drawn through the control arm pivot points are the instant centers. The intersection of lines drawn from the contact patches to the instant centers is the roll center. This locates the height of the roll center above the ground, and the location left or right from the center line of the car.
Using this information you can understand where your cars roll center is located for distribution of the weight when it rolls through the turns..This helps much when you are doing your setups. You need to know where to put your weight effectively make your car work. Using this simple method of finding roll center will help you in your quest for victory.
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