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Engine designers had always been aware of the many limitations of the rotary engine, so when static style engines became more reliable and gave better specific weights and fuel consumption, the days of the rotary engine were numbered. Rotary engines had a fundamentally inefficient total-loss oiling system. In order to reach the whole engine ...
In its standard configuration, the aircraft is a true double-delta with no horizontal stabilizer; however, a small T-tail is an option for trimming variants with higher-power engines. Since the mid-1960s, designer John Dyke has sold full construction plans and three-view drawings for the aircraft to homebuilders and is still selling them today.
Later models of the motorcycle dispensed with the pedals, and the engine was lowered to improve the centre of gravity. No known models of the engine exist but a similar Redrup 1912 rotary aircraft engine is in the Museum of Science and Industry in Manchester, and Redrup Radial, later engines designed and built by Redrup, are still in existence. [4]
The Bentley B.R.2 was a nine-cylinder British rotary aircraft engine developed during the First World War by the motor car engine designer W. O. Bentley from his earlier Bentley BR.1. The BR.2 was built in small numbers during the war, its main use being by the Royal Air Force in the early 1920s. [1]
[3] [4] The engine retained the Clerget’s signature offset epicyclical cam gears with separate pushrods for the intake and exhaust. In common with many other late war rotary engines, the new engine had two spark plugs per cylinder. [4] The engine was initially known as the A.R.1 for "Admiralty Rotary", but later called the BR.1 ("Bentley ...
Known as the Bristol Orion, a name used previously for a variant of the Jupiter engine and later re-used for a turboprop, this development was also a two-row, 18 cylinder sleeve valve engine, with the displacement increased to 4,142 cu in (67,875.2 cm 3) [6.25 in × 7.5 in (159 mm × 191 mm)], nearly as large as the American Pratt & Whitney R ...
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One aircraft, designated V.7, was fitted with the Siemens-Halske Sh.III bi-rotary engine. [36] The V.7 exhibited exceptional rate of climb and ceiling, but it proved difficult to handle. [ 36 ] Serial 108/17 was used to test the 118 kW (160 hp) Goebel Goe.