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Old 12-11-2009, 09:07 AM   #47 (permalink)
tasdrouille
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Join Date: Jan 2008
Location: Mirabel, QC
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The Guzzler - '08 Hyundai Elantra GL
90 day: 33.12 mpg (US)

Got Soul? - '11 Kia Soul 2U
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You might very well be right.

Volt: ((70.8 * 56.3 * .85) + 240 (airdam)) / 144 = 25.19 sq ft -> * 0.28 = 7.055 CdA
Prius: (68.7 * 58.7 * .85) / 144 = 23.8 sq ft -> * 0.3 = 7.141 CdA
Insight: (66.7 * 56.1 * .85) / 144 = 22.09 sq ft -> * 0.32 = 7.068 CdA

This is all just approximations, but in the end it looks like the total drag for all those cars is going to be within a 2-3% range.
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