Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - How to improve fuel economy with a tonneau cover

kach22i · 02-24-2017, 03:20 PM

My opinion is that a wing on the tail will do little for down-force unless it is way up in the air flow, and the air flow will not be down at the cover.

If you really want a wing, try a roof wing.

Sven7 posted a PDF a while back which may contain more information.

Also see the link in my signature below.

I did find this old thread:
http://ecomodder.com/forum/showthrea...uck-11520.html

And this:
http://ecomodder.com/forum/showthrea...ics-15640.html

EDIT: Found the posting I was thinking of.
A Practical Guide to Pickup Truck Aeromods
http://ecomodder.com/forum/showthrea...ods-32386.html

From his blog:
http://tylerlinner1.kinja.com/a-prac...=1437153595522

02-24-2017, 03:20 PM	#42 (permalink)
kach22i Master EcoModder Join Date: Jul 2011 Location: Ann Arbor, Michigan Posts: 4,121 Thanks: 105 Thanked 2,767 Times in 1,942 Posts	My opinion is that a wing on the tail will do little for down-force unless it is way up in the air flow, and the air flow will not be down at the cover. If you really want a wing, try a roof wing. Sven7 posted a PDF a while back which may contain more information. Also see the link in my signature below. I did find this old thread: http://ecomodder.com/forum/showthrea...uck-11520.html And this: http://ecomodder.com/forum/showthrea...ics-15640.html EDIT: Found the posting I was thinking of. *A Practical Guide to Pickup Truck Aeromods* http://ecomodder.com/forum/showthrea...ods-32386.html From his blog: http://tylerlinner1.kinja.com/a-prac...=1437153595522 __________________ George Architect, Artist and Designer of Objects 1977 Porsche 911s Targa 1998 Chevy S-10 Pick-Up truck 1989 Scat II HP Hovercraft Chin Spoiler: http://forums.pelicanparts.com/off-t...effective.html Rear Spoiler Pick Up Truck http://forums.pelicanparts.com/off-t...xperiment.html Roof Wing http://ecomodder.com/forum/showthrea...1-a-19525.html Last edited by kach22i; 02-24-2017 at 03:30 PM..