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When drivers are preparing to race, they move the vehicle and interrupt light beams 7 in (180 mm) behind the starting line. Crossing this beam activates the top half of the blue lights; on typical trees, which were used at national events prior to April 2011, and still used for regional and club events, this is the top set of two small amber bulbs, labelled "Pre-Stage".
Top Fuel drag race between Don Prudhomme and Kenny Bernstein in 1991 in which Prudhomme's dragster caught fire Drag racing is a sport in which vehicles compete to see which can travel a specific distance the fastest from a standing start. To achieve high acceleration, drag racers have large tires, and the tires often "burn rubber" by friction ...
Although a quarter mile (1320 feet, 402 m) is the best known measure for a drag track, many tracks are eighth mile (201 m) tracks, and the premiere classes will run 1,000 foot (304.8 m) races. The race is begun from a standing start which allows three factors to affect the outcome of the race: reaction time, power/weight ratio, and traction.
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Pinks uses a street-race-style arm-drop start rather than the "Christmas Tree" electronic starting system used in modern drag racing. The show's signature start signal was devised by show creator and host Rich Christensen. Christensen points at the driver of the car on his right (left lane), waits for the driver to respond with a thumbs up ...
'Rollout' is the distance travelled by a vehicle before the timing lights on a drag strip are triggered. … can affect the final run time by up to 0.3 of a second. … important to discount this first foot of movement from the final run time, to ensure that the run time captured by the GPS data logger is as close as possible to the official ...
A flashlight start occurs when the start of the race is signaled by a flagger turning on a flashlight. At legitimate drag strips with street racing programs, this may be simulated with instant green (where the yellow lights on the Christmas tree are not used; once the cars are staged, a delay may be used, then the green light only is turned on).
A standing start is a type of start in auto racing events, in which cars are stationary when the race begins (different to the rolling start, where cars are paced). Some categories of land speed record also require a standing start, although the absolute land speed record uses a flying start , where the vehicle has reached its top speed by the ...