Thread: Jack question
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Old 01-29-2023, 04:25 PM   #25
MJCougler
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Join Date: Nov 2019
Location: Rochester NY
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Forces applied to an RV tire

One thing I have not heard anyone comment on: Can the one RV tire driven onto a drive-on ramp like dutchmensport made, or the store bought ramps, support the full weight (GVW) of a tow behind RV, without damage? Once changed and back on the road, will that same tire be as good as before? Does the vector forces on the tire as tire was pulled (or pushed) up the ramp put even more resultant force onto the tire? Yes, the movement was very slow, but were the tire cords strained or damaged?

I remember from in my college physics class that the force applied to tire by the truck to move the RV against the ramp is "added" to the downward force from the resultant force (weight) of the GVW of the RV. The smaller the angle of the ramp, the less force being applied to the tire to move up the ramp.

Just asking?
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Michael J. Cougler, MSgt, USAF, Retired
2019 Cougar 25RES, 2018 Ram 2500 CTD 4x4
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