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Old 12-02-2009, 10:24 PM   #8 (permalink)
Bicycle Bob
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Join Date: May 2008
Location: N. Saskatchewan, CA
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Appliance White - '93 Geo Metro 4-Dr. Auto
Last 3: 42.35 mpg (US)

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Sorry, I should have included your "Because I already know less drag from less tires , less weight from the front axle and rear axle and missing tire/wheel." specifically. I didn't call you a know-it all. Since tire drag is almost linear with load, changing to a single tire gives only ancilliary drag benefits, which are then mostly or wholly overcome by other considerations to restore all the original performance in a comparison.
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