Geoffrey Taylor founded Alta with a self-designed 1.1-litre engine featuring an aluminium block, wet liners, and shaft-driven twin overhead camshafts, offered in naturally aspirated (49 bhp) or supercharged (76 bhp) forms. The early road cars earned a following among club racers thanks to keen pricing and the ability to convert between 1.5- and 2-litre configurations. By 1934 Taylor produced a dedicated competition voiturette, and a revised version appeared in 1937 with independent front suspension. Driver George Abecassis had considerable success with the pre-war design. As the war broke out, Taylor was close to completing a new straight-8 engine and a third-generation car with fully independent suspension, but the company's production capacity was diverted to the war effort.
Alta was the first British constructor to produce a new Grand Prix car after World War II. The Alta GP debuted in 1948 powered by a supercharged 1.5-litre engine producing approximately 230 bhp, with a four-speed pre-selector gearbox and wishbone-and-rubber-bushing independent suspension. The first car went to privateer George Abecassis, who ran it through 1948 and 1949. Subsequent GP2 and GP3 chassis followed, the latter gaining a two-stage supercharger, and were sold to Geoffrey Crossley and Joe Kelly respectively.
Both Crossley and Kelly took their cars to the 1950 British Grand Prix, the inaugural Formula One World Championship race. Kelly finished but was unclassified; Crossley retired with a transmission fault. Kelly continued campaigning GP3 into 1952 and 1953, eventually replacing the Alta engine with a Bristol unit and running the car as Irish Racing Automobiles.
Lacking funds to develop a full Formula One successor, Taylor turned to Formula Two. The F2 engine was a naturally aspirated 1,970 cc inline four-cylinder producing around 130 bhp. Four F2 chassis were built, but the car was overweight relative to its power and results were modest. The final Alta-built car, F2/5, was entered for World Championship Grands Prix events — first by Peter Whitehead at the 1952 French Grand Prix and then by Graham Whitehead at the 1952 British Grand Prix — without scoring points.
The more lasting impact came through engine supply. Abecassis had already used Alta engines in HWM machinery since 1949. After Peter Whitehead demonstrated the tuning potential of the F2 unit by installing it in a Cooper T24, Alta engines appeared in a growing number of British-built F1 cars. At the 1953 British Grand Prix alone, four Alta-powered HWM cars competed alongside Whitehead's Cooper. Over the following years, both 1.5-litre and 2.5-litre Alta units found their way into cars built by Connaught, Cooper, and others, the engine ultimately proving capable of approximately 240 bhp. HWM's one notable victory with the package came when Lance Macklin won the 1952 BRDC International Trophy at Silverstone.
When Connaught collapsed in 1959, the Alta name effectively disappeared from Formula One. Geoffrey Taylor died in 1966 at the age of 63. His son Michael attempted to revive the Alta name with a Formula Ford project in 1976 but was not successful. A handful of pre-war sports cars and single-seat racing cars survive in private ownership. F2/5 has been reunited with its original engine and has participated in historic racing, including the 1999 Goodwood Revival. Alta's significance lies in its role as a pioneering post-war British constructor and a key engine supplier bridging the gap between British independent teams and competitive Formula One machinery through the early 1950s.
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