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Typically, constant-speed units on a single-engine aircraft use oil pressure to increase the pitch. If the CSU fails, the propeller will automatically return to fine pitch, allowing the aircraft to be operated at lower speeds. By contrast, on a multi-engine aircraft, the CSU will typically use oil pressure to decrease the pitch.
On a multi-engine aircraft, feathering the propeller on an inoperative engine reduces drag, and helps the aircraft maintain speed and altitude with the operative engines. Feathering also prevents windmilling , the turning of engine components by the propeller rotation forced by the slipstream; windmilling can damage the engine, start a fire, or ...
The Traveller is a twin piston-engined aircraft, powered by a pair of Lycoming TEO540C1As, each capable of providing 375 hp (280 kW), which give the type a maximum cruise speed of 190kn (351 km/h). [6] In June 2023 the option of fitting twin 375 hp (280 kW) Continental GTSIO-520-S engines was added by Tecnam. [25]
A few piston engined aircraft derive some thrust from the engine's exhaust gases, and there are certain hybrid types like the Motorjet that use a piston engine to drive the compressor of a jet engine, which supplies the primary thrust (although some types also have a propeller powered by the piston engine for low speed efficiency). All aircraft ...
Counter-rotating propellers World War I Linke-Hofmann R.I German heavy bomber (1917) with counter-rotating propellers He 177A Greif with counter-rotating propellers. Counter-rotating propellers (CRP) are propellers which turn in opposite directions to each other. [1] They are used on some twin- and multi-engine propeller-driven aircraft.
Propellers: 2-bladed McCauley fully-feathering, constant-speed propeller, 6 ft 4 in (1.93 m) diameter Performance Maximum speed: 199 mph (320 km/h, 173 kn) at sea level
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