Napier Sabre
1930s British aircraft piston engine / From Wikipedia, the free encyclopedia
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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.
Sabre | |
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Napier Sabre cutaway at the London Science Museum. | |
Type | Liquid-cooled H-24 sleeve valve piston aero engine |
National origin | United Kingdom |
Manufacturer | D. Napier & Son |
First run | January 1938 |
Major applications | Hawker Tempest Hawker Typhoon Napier-Heston Racer |
The first operational aircraft to be powered by the Sabre were the Hawker Typhoon and Hawker Tempest; the first aircraft powered by the Sabre was the Napier-Heston Racer, which was designed to capture the world speed record.[nb 1] Other aircraft using the Sabre were early prototype and production variants of the Blackburn Firebrand, the Martin-Baker MB 3 prototype and a Hawker Fury prototype. The rapid introduction of jet engines after the war led to the quick demise of the Sabre, as there was less need for high power military piston aero engines and because Napier turned its attention to developing turboprop engines such as the Naiad and Eland.