[aerohead]

Originally Posted by wyatt

I have also seen a double spoiler used to increase downforce, with no real regard to Cd. Hucho shows an example of a car with no spoiler, a car with a low spoiler, and a car with a low and really high spoiler. The low spoiler (like one on a Gen1 Prius) lowers the Cd, but with the really high one, it increases the Cd and downforce considerably. I like the looks of the spoiler on the car, but knowing that it actually helps the Cd is what puts a smile on my face!

I have seen reports on the Ford Escort Cosworth Rally car with the double/high wing.And yes,it it specifically for downforce,and at a considerable drag penalty.