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CT7 turboprops are used on variants of the Swedish Saab 340 airliner, the Indonesian-Spanish Airtech CN-235 cargolifter, and the Czech Let L-610G airliner, all twin-turboprop aircraft. The baseline CT7-5A provides 1,735 shp (1,294 kW) on takeoff.
In contrast to turbofans, turboprops are most efficient at flight speeds below 725 km/h (450 mph; 390 knots) because the jet velocity of the propeller (and exhaust) is relatively low. [citation needed] Modern turboprop airliners operate at nearly the same speed as small regional jet airliners but burn two-thirds of the fuel per passenger. [38]
The CASA/IPTN CN-235 is a medium-range twin-engined transport aircraft that was jointly developed by CASA of Spain and Indonesian manufacturer IPTN.It is operated as both a regional airliner and military transport; its primary military roles include air transport and aerial surveillance.
General Electric Company, doing business as GE Aerospace, [4] is an American aircraft engine supplier that is headquartered in Evendale, Ohio, outside Cincinnati.It is the legal successor to the original General Electric Company founded in 1892, which split into three separate companies between November 2021 and April 2024, adopting the trade name GE Aerospace after divesting its healthcare ...
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]
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The GE Catalyst is intended to cover the market between the sub 850 horsepower (630 kW) General Electric H80 and the CT7. [24] It is designed to compete with the Pratt & Whitney Canada PT6 which has led the small turboprop market for 50 years with over 51,000 units produced. The Catalyst has been selected to power the new Beechcraft Denali ...
The 715 shp TPE331-6 used in the Beech King Air B100 have a 400-hr. fuel nozzle cleaning interval, 1,800-hr. hot section inspection interval and a 5,400-hr. time between overhaul; approval is possible for 3,000-hr. HSIs and 6,000-hr. overhauls and engine reserves are cheaper than for the PT6A.