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Device for measuring engine speed in revolutions per minute (RPM).
Too Fast, Too Soon.
The method of working your way up to the limit by starting off conservatively and taking small, incremental steps to increase your speed.
Using 100% of a car`s braking capability while braking in a straight line. At the “threshold" limit, the tire will be revolving approximately 15% slower than it would be if freely rolling over the road.
The “gas pedal.”
THROTTLE APPLICATION POINT
The point in a turn where a driver begins to apply power to drive away from the corner.
Synonymous with under-steer and “push.”
TIRE PERFORMANCE CURVE
A graph to show a tires grip and slip angle are related.
The point that the car touches the outside edge of the road at the exit of a corner. Or the point in a corner when the hands are straight and there is no cornering load.
A gradual release of the brakes during brake-turning that leads to “rotation” at the limit.
TRAILING THROTTLE OVER-STEER (TTO)
Over-steer caused by lifting off or “trailing” the throttle when the car is near its cornering limit.
The point at which the driver first turns the steering wheel, transitioning the car from the straight into the corner.
TYPE ONE TURNS
Corners that precede long straights. These are the most common types of turns and generally require a late apex to maximize exit speed.
TYPE THREE TURNS
Set-up (or “compromise”) turns. Always precedes Type One Turns. These are the most challenging corners since you must know where to go slow to turn a fast lap.
TYPE TWO TURNS
Corners that come at the end of long straights where carrying entry speed produces a better lap time.