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Old 05-25-2008, 12:19 PM   #22 (permalink)
trikkonceptz
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Join Date: Apr 2008
Location: Homestead, Fl.
Posts: 927

Evil Pumpkin - '08 Scion xD RS 1.0 #1633
90 day: 35.45 mpg (US)

Silent Silver Killer - '10 Honda Insight EX
90 day: 51.5 mpg (US)
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Wouldn't the optimal efficiency of a tire be contact patch size equals tire size?

Meaning if your vehicle has 185 / 60 / 15 then the patch size should be 185mm. I heard a way to measure this using a simple string around the bottom of the tire and some formulas. I'll dig it up and post it to see if we can prove it true.
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