I think rolling resistance is determined by the amount of energy lost in deforming the tyre, would answer most of these questions. Smaller contact patch = less deforming, soft tyre= supple tyre conforms easier, thinner tyre = less deforming.
I'll wait for tester to explain why I'm wrong.
Yes I thought that but then if a harder compound, thicker tyre deformed less because its much firmer, wouldn't that be less of a loss in energy?
Is an inner tube at 120 PSI within a thin tyre actually firmer than a tyre entirely solid, made from the same rubber compound?
@PhilDAS started
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I think rolling resistance is determined by the amount of energy lost in deforming the tyre, would answer most of these questions. Smaller contact patch = less deforming, soft tyre= supple tyre conforms easier, thinner tyre = less deforming.
I'll wait for tester to explain why I'm wrong.