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Old 05-04-2010, 11:13 AM   #138 (permalink)
gone-ot
...beats walking...
 
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...at highway speeds, due to centripedal force, that's the "foot print" one should expect to see, because of the manner in which the tire face contacts the pavement and then compresses (typically about 3% of total diameter) somewhat.

...a "perfectly" square tire "foot print" implies no movement.
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