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Old 08-04-2009, 07:52 PM   #21 (permalink)
ENERGYprof
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Join Date: Aug 2009
Location: Midwest United States
Posts: 16

Little Black Peanut - '07 Toyota Prius "package 8"
90 day: 59.6 mpg (US)
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Thanks that's a bunch of good info!

I'll go out now and check my nominal departure angle, to make sure I can get in and out of my horrible driveway. With my 1/4" wall pipe at a 20 degree angle from the bottom of the bumper, I'll be able to build the underbelly any shape I like, as long as its less than a 20 degree departure angle.

Once I get this welded, I'll start mocking up some cardboard and post a pic to get some more feedback... but we're looking now to be mindful that this boat tail should not act like a down-force wing.

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