Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

stevey_frac · 06-10-2009, 05:34 PM

Ok, i think i see what your saying, if not how i can construct such a beast. The boat tails that i've seen seem to rise much faster then 2.5 degrees. How does that work for them? My working knowledge of aero appears to be limited.

So, the idea scenario here would be to extend a panel down from the bumper, and have it meet with another panel that was maby affixed to the axle to gentle guide the air up into the wake. Then enclose the sides.

Do you think i would see significant gains from something like this, or is there other lower hanging fruit to go after first? Also: Does this only really get gains if I have a bellypan first, and there is laminar air sitting under there already to be guided? I'm not sure what the rules are for reattaching air.

Thanks again for your time!
-Steve

06-10-2009, 05:34 PM	#57 (permalink)
stevey_frac EcoModding Apprentice Join Date: Jun 2008 Location: Cambridge, ON Posts: 240 Jalilah - '07 Chevrolet Cobalt LT 90 day: 40.57 mpg (US) Thanks: 0 Thanked 0 Times in 0 Posts	Ok, i think i see what your saying, if not how i can construct such a beast. The boat tails that i've seen seem to rise much faster then 2.5 degrees. How does that work for them? My working knowledge of aero appears to be limited. So, the idea scenario here would be to extend a panel down from the bumper, and have it meet with another panel that was maby affixed to the axle to gentle guide the air up into the wake. Then enclose the sides. Do you think i would see significant gains from something like this, or is there other lower hanging fruit to go after first? Also: Does this only really get gains if I have a bellypan first, and there is laminar air sitting under there already to be guided? I'm not sure what the rules are for reattaching air. Thanks again for your time! -Steve __________________