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For this reason turboprop engines are not commonly used on aircraft [4] [5] [6] that fly faster than 0.6–0.7 Mach, [7] with some exceptions such as the Tupolev Tu-95. However, propfan engines, which are very similar to turboprop engines, can cruise at flight speeds approaching 0.75 Mach. To maintain propeller efficiency across a wide range of ...
The Honeywell TPE331 (military designation: T76) is a turboprop engine. It was designed in the 1950s by Garrett AiResearch, and produced since 1999 by successor Honeywell Aerospace. The engine's power output ranges from 575 to 1,650 shaft horsepower (429 to 1,230 kW). [2] [3] [4]
The Pratt & Whitney Canada PT6 is a turboprop aircraft engine produced by Pratt & Whitney Canada.Its design was started in 1958, it first ran in February 1960, first flew on 30 May 1961, entered service in 1964, and has been continuously updated since.
The Pratt & Whitney Canada PW100 aircraft engine family is a series of 1,800 to 5,000 shaft horsepower (1,300 to 3,700 kW) turboprops manufactured by Pratt & Whitney Canada. Pratt & Whitney Canada dominates the turboprop market with 89% of the turboprop regional airliner installed base in 2016, leading GE Aviation and Allison Engine Company. [2]
An aircraft engine, ... (referred to as a free-turbine engine). A turboprop is very efficient when operated within the realm of cruise speeds it was designed for ...
(Aircraft Engine & Accessory Development Corporation) Source: RMV [1] ... Boeing 551 gas turbine engine (turboprop) Boeing 553 gas turbine engine (turboprop) Boitel
In July 1990, Industri Pesawat Terbang Nusantara (IPTN) of Indonesia picked the GMA 2100 as the engine for the twin-engine N-250 regional airliner. [3] Flight testing with a 13 ft 6 in diameter (4.11 m) Dowty R373 propeller on a Lockheed P-3 Orion testbed aircraft began on August 23, 1990, and finished after over 50 hours of flight and ground ...
The T56 turboprop, evolved from Allison's previous T38 series, [3] was first flown in the nose of a B-17 test-bed aircraft in 1954. [3] One of the first flight-cleared YT-56 engines was installed in a C-130 nacelle on Lockheed's Super Constellation test aircraft in early 1954. [5]