This legendary Speedway has been around for a while. It was first built for the growing Indiana automobile industry, and in 1909 was paved over with 3.2 million bricks. Most of those bricks sit under the asphalt, except for a one-yard strip at the start finish line that the cars still drive over—and the winning driver kisses after the race.
Now the track itself is a unique challenge. 2.5 miles long, it has four distinct corners and four straightaways—two long and two short. The track is one of the flatest on the circuit, featuring only 9 degrees of banking in the turns—not very much for stock cars, which don’t have nearly the downforce that a lighter Indy car produces. Drivers need horsepower to take advantage of the straights, but handling is also critical, as you’ve got to get off the flat corners well to run fast.
Indianapolis is a big and incredibly smooth race track, but it is also tougher to pass than you might expect. Aerodynamics are so important that cars tend to pick up a push when they come up behind other cars--the dreaded aero push. So you've got to be significantly faster than the guy you're trying to get by. Look for most of the action coming out of the turns. Cars that handle well enough through the corners to get on the gas early coming out will be able to pass. Cars that are set up perfectly will actually be able to hold the cars wide open through turns 2 and 4, carrying a lot of speed into the long straights.
The Car of Tomorrow will add a new wrinkle to racing at Indy in 2008.
Indianapolis Motor Speedway Threads
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