Napier Sabre
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The Napier Sabre is a British H-24-cylinder, liquid-cooled, sleeve valve, piston aero engine, designed by Major Frank Halford and built by D. Napier & Son during World War II. The engine evolved to become one of the most powerful inline piston aircraft engines in the world, developing from 2,200 hp (1,600 kW) in its earlier versions to 3,500 hp (2,600 kW) in late-model prototypes.
The first aircraft designed around the Sabre engine – the Napier-Heston Racer which crashed during early flight tests.
The Hawker Typhoon was the first operational Sabre-powered aircraft, entering service with the RAF in mid-1941. Problems with both the Sabre engine and the airframe nearly led to the Typhoon's withdrawal from service.
Napier Sabre III
Frank Halford
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Major Frank Bernard Halford CBE FRAeS was an English aircraft engine designer. He is best known for the series of de Havilland Gipsy engines, widely used by light aircraft in the 1920s and 30s.
