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aerohead · 04-16-2011, 05:58 PM

I gleaned an article about Volvo's 3CC concept coupe from the Feb.2005 Popular Science,p. 17.
This car has a roofline of generous plan-taper which Volvo credits with a 12 % drag reduction.
Since my cover has this taper and gave a 13% mpg improvement,the article helps explain the difference between Ford's 10 % straight-sided aero-shell of 1988.

04-16-2011, 05:58 PM	#100 (permalink)
aerohead Master EcoModder Join Date: Jan 2008 Location: Sanger,Texas,U.S.A. Posts: 16,314 Thanks: 24,440 Thanked 7,386 Times in 4,783 Posts	plan-taper = 12 % drag reduction I gleaned an article about Volvo's 3CC concept coupe from the Feb.2005 Popular Science,p. 17. This car has a roofline of generous plan-taper which Volvo credits with a 12 % drag reduction. Since my cover has this taper and gave a 13% mpg improvement,the article helps explain the difference between Ford's 10 % straight-sided aero-shell of 1988.