Reply to "E.Bikes"

AdminMember

"But, do you think that the diameter of the tire will change more on a fat tire than an thin one, given the same change in pressure?"

When you sit on a bike a small part of the tire flattens out and the tire is no longer a circle, so there isn't really a "diameter" of the tire. What you really want to know is how much the perimeter of the tire changes when you sit on the bike, and also when there is a change in pressure.

How much the perimeter of the tire changes as a function of the mass on the bike, the width of the tire, the pressure in the tire, etc. is quite complicated. There was a thread many years ago when Mike Sandford and I discussed parts of this. I'm traveling right now, but when I return I will try to find that old thread and then we can try to figure out the answer to you question.

5/28/237:22 PM

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