Innovations in Racing with Dale Earnhardt Jr.
StarTalk Radio
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The Effects of Air on Aerodynamics in NASCAR
The question of how the air coming off another car affects your car is one that has been with NASCAR ever since it was discovered in the 60s. It's almost more of a question of making sure you're not in certain places. The closer you are to the wall, the less tolerance you have for air. But if you're running the outer wall, some drivers can take advantage of sort of an cushion of air between the car and the wall.
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