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Drag racing. The Christmas tree counting down at Saskatchewan International Raceway, outside Saskatoon, Saskatchewan. Note the blinder, to prevent the driver from being distracted by the lights for the other lane. Drag racing is a type of motor racing in which automobiles or motorcycles compete, usually two at a time, to be first to cross a set ...
Bracket racing. Bracket racing is a form of drag racing that allows for a handicap between predicted elapsed time of the two cars over a standard distance, typically within the three standard distances (1/8 mile, 1,000 foot, or 1/4 mile) of drag racing.
E.T. (elapsed time) In drag racing, the total time a run has taken from start to finish. E.T. slip In drag racing, a slip of paper turned in by the race timer which denotes elapsed time for both drivers, and who won the race; it may also include reaction time and 60-foot time. This is an official document used for timekeeping.
A dragstrip is a facility for conducting automobile and motorcycle acceleration events such as drag racing. 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 ...
Delay box. "Delay Box" is a common slang term used in drag racing to describe an on-board timer which is a Transmission Brake Delay Timer. A transbrake forces the race car to remain stationary at the starting line, in gear, regardless of how much engine power is applied. When the visual signal is given to start the race, the driver triggers the ...
Modern drag races are started electronically by a system known as a Christmas tree. A common Christmas tree consists of a column of seven lights for each driver or lane. Each side of the column of lights is the same. At an NHRA national event, the Christmas Tree, which was first used in April 2011, from the top down, consists of a blue LED ...
Top Fuel. Top Fuel is a type of drag racing whose dragsters are the quickest accelerating racing cars in the world and the fastest sanctioned category of drag racing, with the fastest competitors reaching speeds of 338 miles per hour (544.0 km/h) and finishing the 1,000 foot (304.8 m) runs in 3.62 seconds. A top fuel dragster accelerates from a ...
Rollout (drag racing) Rollout or rollout allowance is an adjustment in timed acceleration runs used by North-American drag racing and enthusiast magazines [citation needed] to create approximate parity over time between historic 0 to 60 mph and 1/4 mile acceleration times and those measured today using the Global Positioning System (GPS).