"RobW" > wrote in message
ups.com...
> I saw this car here-
> http://www.928motorsports.com/other928s.html
>
> It's the yellow #917.
> I noticed it has ducts in the car that lead from the trans tunnel
> behind the driver, up to scoops on the roof, forward of the rear hatch.
> http://www.928motorsports.com/otherc...GTrenNLBIG.jpg
> http://www.928motorsports.com/otherc...s/jpk02big.jpg
>
> Whats up with that? Are they trying to pressurize underneath the car,
> some aero trick? I thought the key to downforce, besides wings, was to
> *reduce* pressure under the car with air dams and skirts, openings at
> the rear? Or is it not an aero trick at all, if not what the hell is
> it? I've been around a few race cars but I've never seen this. An
> air-cooled torque tube, maybe? ;-)
>
> It's just driving me nuts. Any ideas? Anyone? (Bueller?)
>
> (Yes, I know, I should get a life...)

I'd guess the ducts are an attempt to cool the transaxle.