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CHD_Dad's avatar
CHD_Dad
Explorer
May 19, 2014

Trailer Tire Pressure/Temp/Speed vs. failure ?

I was told that speed is a big killer of trailer tires along with age, overloading, hidden damage, etc. but the big reason they tell you to stay at slower speeds is to keep the tire from overheating o...
kellertx5er's avatar
kellertx5er
Explorer
May 20, 2014
What most people fail to realize about this issue is that there are rotational (centrifugal) forces acting on the tire structure. These forces increase with the SQUARE of the speed. So, while 70 mph vs 65 mph is only a 7.7% increase, the centrifugal forces increase by 16%. At 72 mph the increase is 22.7%.

Something to keep in mind when deciding how much is too much.

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