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Old 11-08-2013, 10:52 AM   #3 (permalink)
kach22i
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That is actually what I call an "air slot".

I have one on the roof of my pick-up truck, and can also be found on the rear roof edge of SUV's and econoboxes alike.

The slot, in theory allows some of the high pressure air above to escape downward, which draws the rest of the flow above it down too (to fill the void).
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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
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