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List of land speed records
The land speed record (LSR) or absolute land speed record is the highest speed achieved by a person using a vehicle on land. By a 1964 agreement between the Fédération Internationale de l'Automobile (FIA) and Fédération Internationale de Motocyclisme (FIM), respective governing bodies for racing in automobiles and motorcycles (two or three wheels), both bodies recognise as the absolute LSR whatever is the highest speed record achieved across any of their various categories. While the three-wheeled Spirit of America set an FIM-validated LSR in 1963, all subsequent LSRs are by vehicles in FIA Category C ("Special Vehicles") in either class JE (jet engine) or class RT (rocket powered).
FIA LSRs are officiated and validated by its regional or national affiliate organizations. Speed measurement is standardized over a course measuring either 1 kilometre (0.62 mi) or 1 mile (1.6 km), averaged over two runs with flying start (commonly called "passes") going in opposite directions within one hour. A new record mark must exceed the previous one by at least one percent to be validated.
Until 1829 the fastest land transport was by horse. Then, railway speed records were set.
The first automobile record regulator was the Automobile Club de France, which proclaimed itself arbiter of the record in about 1902.
Different clubs had different standards and did not always recognize the same world records until 1924, when the Association Internationale des Automobile Clubs Reconnus (AIACR) introduced new regulations: two passes in opposite directions (to negate the effects of wind) averaged with a maximum of 30 minutes (later more) between runs, average gradient of the racing surface not more than 1 percent, timing gear accurate within 0.01sec, and cars must be wheel-driven. National or regional auto clubs (such as AAA and SCTA) had to be AIACR members to ensure records would be recognized. The AIACR became the FIA in 1947. Controversy arose in 1963: Spirit of America was not recognized due to its being a three-wheeler (leading the Fédération Internationale de Motocyclisme to certify it as a three-wheel motorcycle record when the FIA refused) and not wheel-driven so the FIA introduced a special jet and rocket propelled class. No holder of the absolute record since has been wheel-driven.
In the U.S. and Australia, record runs are often done on salt flats, so the cars are often called salt cars.[citation needed]
The FIA does not recognize separate men's and women's land speed records, because the records are set using motorized vehicles, and not muscle-powered vehicles, so the gender of the driver does not matter; however, unofficial women's records have long been claimed, seemingly starting with Dorothy Levitt's 1906 record in Blackpool, England, and, unlike the FIA and other car-racing organisations, Guinness World Records does recognize gender-based land speed records.
In 1906, Dorothy Levitt broke the women's world speed record for the flying kilometer, recording a speed of 154 km/h (96 mph) and receiving the sobriquet the "Fastest Girl on Earth". She drove a six-cylinder Napier motorcar, a 75 kW (100 hp) development of the K5, in a speed trial in Blackpool.
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List of land speed records
The land speed record (LSR) or absolute land speed record is the highest speed achieved by a person using a vehicle on land. By a 1964 agreement between the Fédération Internationale de l'Automobile (FIA) and Fédération Internationale de Motocyclisme (FIM), respective governing bodies for racing in automobiles and motorcycles (two or three wheels), both bodies recognise as the absolute LSR whatever is the highest speed record achieved across any of their various categories. While the three-wheeled Spirit of America set an FIM-validated LSR in 1963, all subsequent LSRs are by vehicles in FIA Category C ("Special Vehicles") in either class JE (jet engine) or class RT (rocket powered).
FIA LSRs are officiated and validated by its regional or national affiliate organizations. Speed measurement is standardized over a course measuring either 1 kilometre (0.62 mi) or 1 mile (1.6 km), averaged over two runs with flying start (commonly called "passes") going in opposite directions within one hour. A new record mark must exceed the previous one by at least one percent to be validated.
Until 1829 the fastest land transport was by horse. Then, railway speed records were set.
The first automobile record regulator was the Automobile Club de France, which proclaimed itself arbiter of the record in about 1902.
Different clubs had different standards and did not always recognize the same world records until 1924, when the Association Internationale des Automobile Clubs Reconnus (AIACR) introduced new regulations: two passes in opposite directions (to negate the effects of wind) averaged with a maximum of 30 minutes (later more) between runs, average gradient of the racing surface not more than 1 percent, timing gear accurate within 0.01sec, and cars must be wheel-driven. National or regional auto clubs (such as AAA and SCTA) had to be AIACR members to ensure records would be recognized. The AIACR became the FIA in 1947. Controversy arose in 1963: Spirit of America was not recognized due to its being a three-wheeler (leading the Fédération Internationale de Motocyclisme to certify it as a three-wheel motorcycle record when the FIA refused) and not wheel-driven so the FIA introduced a special jet and rocket propelled class. No holder of the absolute record since has been wheel-driven.
In the U.S. and Australia, record runs are often done on salt flats, so the cars are often called salt cars.[citation needed]
The FIA does not recognize separate men's and women's land speed records, because the records are set using motorized vehicles, and not muscle-powered vehicles, so the gender of the driver does not matter; however, unofficial women's records have long been claimed, seemingly starting with Dorothy Levitt's 1906 record in Blackpool, England, and, unlike the FIA and other car-racing organisations, Guinness World Records does recognize gender-based land speed records.
In 1906, Dorothy Levitt broke the women's world speed record for the flying kilometer, recording a speed of 154 km/h (96 mph) and receiving the sobriquet the "Fastest Girl on Earth". She drove a six-cylinder Napier motorcar, a 75 kW (100 hp) development of the K5, in a speed trial in Blackpool.