Reply to "Rolling Tire Characteristics"

sturiegelMember

At least one science experiment begs to differ:

http://message.snopes.com/showpost.php?p=354591&postcount=8

Also, the launch area of drag strips are all concrete; the balance is usually asphalt. This leads me to believe that more traction is lent by the concrete.

In any event, it doesn't much matter who's right, just that there is a difference in Cf. Whether it applies to a rolling bicycle wheel remains to be seen. My seat-of-the-pants guess is yes, but only slightly.

7/7/081:24 PM

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