The March 73A was an

open-wheel An open-wheel single-seater (often known as formula car) is a car with the wheels outside the car's main body, and usually having only one seat. Open-wheel cars contrast with street cars, sports cars, stock cars, and touring cars, which have thei ...

formula racing Formula racing (known as open-wheel racing in North America) is any of several forms of open-wheeled single-seater motorsport. The origin of the term lies in the nomenclature that was adopted by the FIA for all of its post-World War II single- ...

car, designed, developed, and built by British manufacturer and constructor,

March Engineering March Engineering was a Formula One constructor and manufacturer of customer racing cars from the United Kingdom. Although only moderately successful in Grand Prix competition, March racing cars enjoyed much better success in other categories ...

, for

Formula 5000 Formula 5000 (or F5000) was an open wheel, single seater auto-racing formula that ran in different series in various regions around the world from 1968 to 1982. It was originally intended as a low-cost series aimed at open-wheel racing cars tha ...

racing, between 1973 and 1974. It competed in both the

European European, or Europeans, or Europeneans, may refer to: In general * ''European'', an adjective referring to something of, from, or related to Europe ** Ethnic groups in Europe ** Demographics of Europe ** European cuisine, the cuisines of Europe ...

and SCCA U.S. F5000 championships. It also competed in one non-championship

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, ...

World Championship Grand Prix; the 1973 Race of Champions. It was later converted into a closed-wheel

Can-Am The Canadian-American Challenge Cup, or Can-Am, was an Sports Car Club of America, SCCA/Canadian Auto Sport Clubs, CASC sports car racing series from 1966 to 1987. History Can-Am started out as a race series for group 7 sports racers with two r ...

-style

prototype A prototype is an early sample, model, or release of a product built to test a concept or process. It is a term used in a variety of contexts, including semantics, design, electronics, and Software prototyping, software programming. A prototyp ...

chassis, where it competed in the 1984 championship.

References

{{March Engineering March vehicles Formula 5000 cars Sports prototypes