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Drag racing

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Drag racing is a high-speed motorsport where vehicles compete to travel a set distance in the shortest time possible.

Tony Schumacher CSA-2006-09-26-090353
Tony Schumacher CSA-2006-09-26-090353

Most races involve two automobiles or motorcycles racing side-by-side. They begin from a standing start on a short, straight course. While the traditional distance is 1,320 feet, also known as a quarter mile, distances vary.

Top Fuel
Top Fuel

Some organizations use a 1,000-foot distance for safety, particularly for Top Fuel dragsters and Funny Cars. Other tracks may run shorter races of 660 feet, or 1/8 mile. This sport combines mechanical engineering with extreme driver skill to achieve incredible acceleration.

Preparation for a race, often called a "pass," involves several technical steps to ensure maximum traction.

Blown Altered
Blown Altered

Drivers first perform a burnout in a designated area called a water box. In the past, these boxes used bleach, but the National Hot Rod Association (NHRA) mandated water in the 1970s because bleach caused dangerous flames. During a burnout, the driver spins the rear tires against the pavement. This friction heats the rubber and softens the tread. This process helps the tires grip the track surface more effectively. After the burnout, the driver must back up to the starting line to stage the vehicle.

To ensure a fair start, racers use electronic sensors and a light system known as a "Christmas tree."

Funny Car AAA
Funny Car AAA

The tree consists of a column of lights for each lane. A driver must break two light beams to be properly positioned. The first beam indicates the vehicle is "pre-staged," and the second indicates it is "staged." Once both drivers are staged, the system introduces a random delay to prevent drivers from anticipating the start. In NHRA Professional classes, a "pro tree" flashes three amber lights simultaneously, followed 0.4 seconds later by a green light. In Sportsman classes, a "full tree" flashes amber lights in sequence, 0.5 seconds apart, followed 0.5 seconds later by the green light.

Precision is vital because mistakes at the starting line lead to immediate disqualification. If a vehicle moves before the green light, a red light illuminates in that lane. This is called "red lighting." In handicap starts, the rules for red lights are specific to the driver's reaction time. If both drivers leave early, the red light is only assigned to the driver with the worse infraction.

Delivering timeslips
Delivering timeslips

Officials use electronic timing and speed sensing systems to record every detail. These systems have been used since the 1960s to ensure results are perfectly accurate. Every race produces a "timeslip," which is a record of the driver's performance.

Winning a race depends on a combination of several measured metrics. The first is reaction time, which is the interval between the green light and the vehicle leaving the staging beams. The second is elapsed time (E.T.), which measures the time from the vehicle leaving the starting line to crossing the finish line. The third is speed, measured by a speed trap near the end of the track. In many formats, the winner is the driver with the lowest combined reaction time and E.T. In "heads-up" racing, a driver with a slower E.T. can win if their reaction time is much faster. This specific type of victory is known as a "holeshot win."

Drag racing has a rich history that began in the 1940s.

1958 Fuel Dragster
1958 Fuel Dragster

Many early participants were World War II veterans. They often used decommissioned aircraft bases because the long landing strips provided ideal racing surfaces. In 1951, Wally Parks founded the National Hot Rod Association (NHRA) to regulate the sport. The NHRA has managed many rules over the years, such as the 1957 ban on nitromethane, which was lifted in 1963. Over time, many other organizations have emerged, such as the Professional Drag Racers Association (PDRA), founded in 2014, and the National Mustang Racers Association (NMRA), founded in 1999.

Competition often follows a bracket system to determine a champion.

Super Stock
Super Stock

In this format, the losing driver is eliminated each round while the winner advances. Events can feature anywhere from 16 to over 100 cars. Some races use a "breakout" rule, common in classes like Super Comp or Stock. In these categories, drivers must not exceed a predetermined time. If a driver is faster than their index, they "break out" and lose the race. This system requires drivers to manage their speed carefully rather than just driving as fast as possible. This creates a unique strategic element within the high-speed environment of the sport.

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🖼️ Images & Media (21)
File:Maryland Army National Guard (3290671976).jpg
Maryland Army National Guard (3290671976).jpg
File:DonPrudhommeFire1991KennyBernstein.jpg
DonPrudhommeFire1991KennyBernstein.jpg
File:Tony Schumacher CSA-2006-09-26-090353.jpg
Tony Schumacher CSA-2006-09-26-090353.jpg
File:Chevrolet Gasser Wheelie.jpg
Chevrolet Gasser Wheelie.jpg
File:1958 Fuel Dragster.jpg
1958 Fuel Dragster.jpg
File:Showtime Nitro Funnycar - Flickr - exfordy.jpg
Showtime Nitro Funnycar - Flickr - exfordy.jpg
File:Delivering timeslips.jpg
Delivering timeslips.jpg
File:Blown Altered.JPG
Blown Altered.JPG
File:Caterpiller-sponsored dragster.jpg
Caterpiller-sponsored dragster.jpg
File:'Pain Killer' jr. dragster.JPG
'Pain Killer' jr. dragster.JPG
File:Top Fuel.JPG
Top Fuel.JPG
File:Funny Car AAA.JPG
Funny Car AAA.JPG

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