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OVERSTEAR & UNDERSTEAR

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So now that you have had an opportunity to read about the right line, it is time to introduce oversteer and understeer. Oversteer and understeer are two of three vehicle characteristics.  When turning a corner three things can happen. The car will either not turn, in which case you are experiencing an understeer situation. It will turn the way it is suppose to, in which case the car has a neutral balance, or the rear of the car will step out, in which case you are experiencing an oversteer situation. When a car responds perfectly to the inputs you give this is called neutral balance. Think about a time when you turned a corner and you thought you weren't going to make the turn. You kept turning the steering wheel but the car just wouldn't turn. This is understeer and on a road car this can only be corrected by the driver who must slow down until the car turns properly. Oversteer is the exact opposite. You enter a corner too fast and the rear of the car steps out. Correcting this dangerous situation requires that the driver slow down before entering the corner. 

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Keep in mind that every vehicle has different handling characteristics that will determine how quickly you can take a corner. We call this the limit, or maximum capability of a vehicle. We do not recommend trying to find the limit of your vehicle on public roads. Take it to the track and build up slowly.

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