Tire Pressure Lab. Goal of the Lab. Determine the average tire pressure for a passenger vehicle. Measure the contact patch of the tire. Calculate the aspect ratio of the tire. Use data from lab to determine weight of the car. Tire Pressure.
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SideContact Patch cont….
Side x Back = Area
Greater width than height
(Contact Patch in2 x 4 ) x (tire pressure lb/in2)
mmTire Serial Numbers