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Wednesday, April 18, 2007

Biking Techniques (Part 26)

Picking the Line

Classic Corner

Back before the development of racing as a science, a corner was a corner. The object was to take the smoothest line around the corner. Since the larger the radius, the faster you can go, you plan a circular line that turns in from the outside of the corner, comes close to the inside of the corner in the middle, and reaches the outside of the track again at the exit.
Those three points are the turn-in point, the apex, and the track-out point.

This line has a neutral apex and a constant radius.

Also, classically, all the braking is done before the turn, and then all the acceleration is done after the turn. As we've already seen, we can do better by trail-braking and accelerating out of the corner.

Early texts that treated racing as a science, such as Piero Taruffi's classic book, spend a lot of attention and detail in describing -- in words and with mathematical analysis -- how to take this line around as much of the racetrack as possible. We will in fact not take any corner in the classic manner.





From TrackDoD Novice Group Orientation

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