Quote:
Originally Posted by whswhs
On one hand, I'm looking at the ratio of bicycle resistance to human resistance; it seems plausible that both figures were determined on comparable surfaces.
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Legs and bicycle wheels do not have anything like the same scaling for different surfaces. Best case approximation on a good modern road gives around a factor of 50 advantage to the bike; on the other hand, the most efficient way to get a racing bike through a mudpit is picking it up and carrying it.