Quote:
Originally Posted by Mcgiiver
Do tires increase in radius due to centrifugal force at highway speeds? If I measure the radius of the wheel/tire at standstill, will that be accurate for highway speeds?
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I don't believe the circumference will significantly increase due to centrifugal force, considering the steel belts, but Capriracer would probably be a great resource for this question.
The best way to measure circumference is to mount the tires, bring them up to operating temperature and pressure, and measure the distance the tire travels in one or more rotations. Centrifugal force will be insignificant compared to the weight of the vehicle compressing the tire.