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Old 12-08-2009, 10:06 AM   #9 (permalink)
gone-ot
...beats walking...
 
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...tire "hysteresis" is a function of rubber flexing upon contact with the road, then compressing under weight, then un-flexing upon release from the road.

...that's *why* an older, well worn tire has a lower rr value than does an identical brand new tire.

Last edited by gone-ot; 12-08-2009 at 03:24 PM..
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