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Old 06-14-2010, 04:11 PM   #1 (permalink)
IsaacCarlson
eco....something or other
 
Join Date: Jul 2009
Location: Colfax, WI
Posts: 719

wood hauler - '91 Ford F-250
Team Pontiac
90 day: 18.97 mpg (US)

Rav - '06 Toyota Rav4 Base
90 day: 26.52 mpg (US)
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a better bed cover

I have been working on this for a while and finally made a small scale prototype. I started wondering why most of the other covers I have seen have square-ish edges/corners. A don't think a cap should have corners....they make turbulence when the air tries to go around them. It should instead be round to allow the air to simply expand and merge back together to fill the void behind the vehicle. This is what I came up with. I like to think aerodynamics in 3-D. Please let me know what you think.

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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear

Last edited by IsaacCarlson; 06-14-2010 at 05:00 PM..
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