Quote:
Originally Posted by CapriRacer
I am not sure where this post fits in the scheme of things - BUT -
a) There is nothing you can measure in a loaded tire that will give you the effective rolling diameter (or radius).
b) There isn't a *point* where the tire flexes. The entire tire flexes, and it is most noticeable in the sidewall because it bulges out, but not at a single point. You could look at the sidewall as a arched leaf spring, where the end points are fixed, but compressed closer together. The entire spring flexes, but in the case of a tire, the area near the wheel is much, much stiffer than the rest of the sidewall.
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you have seen a leaf spring?
the loop at the end is in fact a hinge
the junction between the sidewall and the tread
is the same
in fact the tires of the moon buggy work exactly like that