The Cooper T23, formally called the Cooper Mk.II, is a

Formula 2 Formula Two (F2 or Formula 2) is a type of open-wheel formula racing category first codified in 1948. It was replaced in 1985 by Formula 3000, but revived by the FIA from 2009–2012 in the form of the FIA Formula Two Championship. The name return ...

racing car Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. Auto racing has existed since the invention of the automobile. Races of various sorts were organise ...

, built, designed, and developed by British manufacturer

Cooper Cars The Cooper Car Company is a British car manufacturer founded in December 1947 by Charles Cooper and his son John Cooper. Together with John's boyhood friend, Eric Brandon, they began by building racing cars in Charles's small garag ...

in 1953. It also competed in

Formula One Formula One (also known as Formula 1 or F1) is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The World Drivers' Championship, ...

, in 9 Grand Prix between 1953 and 1956. It was powered by the

Bristol Bristol () is a city, ceremonial county and unitary authority in England. Situated on the River Avon, it is bordered by the ceremonial counties of Gloucestershire to the north and Somerset to the south. Bristol is the most populous city in ...

six-cylinder The straight-six engine (also referred to as an inline-six engine; abbreviated I6 or L6) is a piston engine with six cylinders arranged in a straight line along the crankshaft. A straight-six engine has perfect primary and secondary engine balan ...

2-litre engine.

Development

With the Cooper T23, which was also known as the Cooper-Bristol Mk.II, Cooper was able to draw on some experience in single-seater racing car construction. The car had a lightweight tubular frame and a body built with aerodynamics in mind. The engine got its cooling air from two cooling blocks that were installed in the front end. The exhaust gases were discharged laterally through two pipes. There are no similar vehicles from the T23. Changes were made to each new car and only the two works cars received a Bristol engine. A version with De Dion rear axle and Alta engine was built for Stirling Moss, and at least two other Alta-engined cars were built, but they were no more successful than the Bristol-engined car. This variant is known as the

Cooper T24 The Cooper T24 is a Formula 2 racing car, built, designed and developed by the British manufacturer Cooper Cars in 1953. It was used in Formula 2 racing between 1953 and 1960, and briefly used in Formula One racing A Formula One Grand Prix is ...

Racing history

The Cooper T23 competed in 9 Grands Prix between 1953 and 1956. John Barber was the first to drive it, on behalf of Cooper Car Company, at the

1953 Argentine Grand Prix The 1953 Argentine Grand Prix was race 1 of 9 in the 1953 World Championship of Drivers, which was run to Formula Two regulations in 1952 and 1953. The race was held in Buenos Aires on 18 January 1953, at the Autódromo Gálvez (official name: Au ...

. Qualified in sixteenth position, he finished eighth.

Bob Gerard Frederick Roberts Gerard (19 January 1914, Leicester – 26 January 1990, South Croxton, Leicestershire) was a racing driver and businessman from England. He participated in numerous top-level motor racing events on either side of World War II ...

, in a private capacity, was the last driver to use the single-seater, in the

1956 British Grand Prix The 1956 British Grand Prix was a Formula One motor race held on 14 July 1956 at Silverstone. It was race 6 of 8 in the 1956 World Championship of Drivers. Classification Qualifying Race ;Notes * – 1 point for fastest lap Shared drives ...

. Qualified in twenty-second place, he finished eleventh.

Ken Wharton Frederick Charles Kenneth Wharton (21 March 1916 – 12 January 1957) was a British racing driver from Smethwick, England. He competed in off-road trials, hillclimbs, and rallying, and also raced sports cars and single-seaters. He began racing ...

, who entered on a private basis, obtained the best result behind the wheel of this car, finishing seventh in the 1953 Swiss Motor Grand Prix where he qualified in ninth place. The car was overall unsuccessful. In the Drivers' Championship, Bob Gerard and Ken Wharton failed to score points in 1953. Only in Australian Formula Libre racing has

Jack Brabham Sir John Arthur Brabham (2 April 1926 – 19 May 2014) was an Australian racing driver who was Formula One World Champion in , , and . He was a founder of the Brabham racing team and race car constructor that bore his name. Brabham was a R ...

achieved some good results with the T23.

Formula One World Championship results

(

key Key or The Key may refer to: Common meanings * Key (cryptography), a piece of information that controls the operation of a cryptography algorithm * Key (lock), device used to control access to places or facilities restricted by a lock * Key (map ...

) (results in bold indicate pole position; results in ''italics'' indicate fastest lap) Nuckey was awarded a starting position despite not only not having practiced, but also not having a car to drive - Brandon drove the car.

References

{{F1 cars 1956 Cooper racing cars Formula Two cars