Quote:
Originally Posted by JamesNoBrakes
Got news for y'all, a spoiler, which spoils lift, adds all kinds of drag. Separation drag (airflow separating from a surface) is massive drag. Wing adds induced drag.
Bottom line, "aero" stuff for track use usually adds drag and slows a car's top-speed, whether it's a wing or a spoiler.
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Worth noting, a properly-designed wing adds drastically fewer counts of drag than a spoiler of similar effect.
Complicating matters, many "low wing" features, function more as a spoiler, and not wings.