Tango Charlie -
Jackpot! I googled "racing wheel louvers" and got this :
AUTO-RACING - NASCAR Racing Schedule - F1 - Formula 1 - Drag Racing - Motorsports - Indy Car - SPEEDtv.com
Quote:
... Louvers are used over the fenders of sportscars to relive high pressure that builds up from the fast spinning tire, and from the complex interaction of air flowing in, out, and through the wheel arch.
The general rule is the more air you can extract from the wheel well, the better. On street courses, prototype teams will usually sport the biggest, longest, and most aggressive forms of louvers to vent air and create downforce. Another aspect of most louvers is their taller height (to give air a ‘chimney’ to flow out from) – that extra height adds more volume to the outer profile of the car—making a bigger hole for the passing air to go over and thus reducing straightline speed. ...
|
Read the article for more details.
CarloSW2