Thread: Bionic Van
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Old 07-23-2008, 06:19 PM   #6 (permalink)
aerohead
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Aero truck

Quote:
Originally Posted by Big Van View Post
Thanks, Aerohead, your explanation was really helpful. So I guess the best thing to do is to try to go from "rough brick" to "smooth brick" with a belly pan, wheel skirts, etc. I might also try something like this for long hauls where parallel parking isn't an issue:

Green Car Congress: New Boat Tail Design Could Improve Class 8 Truck Fuel Economy by 10%

I don't think I'm ready to invest in the ultimate solution:

AeroTruck E-38096: Air flow testing on aerodynamic truck
What NASA did is what I did to my VW van in college.Rear skirts,full bellypan,and 18-inch long boat tail.She could hit 35 mpg on a good day.You can make the bottom more horizontal than NASA did.If you can deal with the extra length,they're money in the bank!
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