Quote:
Originally Posted by NeilBlanchard
Deflection is essentially like rolling uphill all the time, and even the small surface bumps in the paving add a little to that.
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I don't think your small bumps theory is included in current rolling resistance tests (smooth rollers)...
Quote:
Originally Posted by NeilBlanchard
A larger diameter wheel "bridges" across more of those bumps, and all else being equal, a larger diameter tire will have lower rolling resistance than a smaller diameter tire.
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Not entirely because of what you think though, a WIDER tire bridges more bumps too in that case. To use your style of reasoning, why don't cars have 10,000" wheels?