why Drag cars have wings

[russelheimer]

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Nou vroeg ik me af, is dit de rede waarom de kont van mijn corsa a TR me wilt in halen als ik 220+ km per uur rij?

[BMWturbotim]

ja dat wist ik wel ik heb er zelfs al eens overgedacht om het te testen door loadcells boven mijn veren achter te monteren om eens te kijken wat het doet bij 275km uur haha

[Ducati Olanda Club]

Daarom moest er op de audi TT ook een achterspoiler gemonteerd worden. te weinig druk op hoge snelheid en daardoor enkele ongevallen. Bij de 2e TT is de spoiler geïntegreerd in de kofferbakdeksel

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en een stukje tekst uit het artikel

As mentioned, the TT's flaw is primarily a Germany-only problem, because it's the only country in Europe where it's legal to exceed 80 mph. One TT driver was killed on a notorious high-speed autobahn curve. A second fatality occurred to an unbelted rear-seat passenger. Audi reports its accident investigation group has studied 22 totaled TTs. That may sound like a lot, but more than 40,000 TTs have been sold worldwide, and apparently the ratio of accidents is in line with that of other sports cars.

Audi says the main aim of the changes is to increase understeer, reduce lift-off oversteer, and improve high-speed stability. The TT coupe and roadster get modified front control arms with altered compliance in the mounting bushings. The front shocks are stiffer in compression and softer in rebound to reduce the pitch motion and weight transfer from rear to front when braking. The front anti-roll bar has been made one millimeter thicker, and the rear is 1mm smaller in diameter.

More obviously, all TTs get a small rear spoiler mounted to the decklid in a move aimed at reducing lift on the rear axle at high speeds. The TT has 148 pounds of lift at the rear axle at 125 mph without the spoiler, but only a 53-pound lift when the spoiler is fitted. By comparison, the BMW Z3 coupe generates 64 pounds of lift at 125 mph; the Mercedes-Benz SLK, 104 pounds of lift; and the Porsche Boxster, 68 pounds of lift. The chassis engineers claim they could have solved the problem without the spoiler, but this would have meant a significant increase in understeer at normal speeds, a trait they wanted to avoid. All TTs also get a version of VW's switchable Electronic Stability Program (ESP).

[russelheimer]

thnx heren