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A twinjet or twin-engine jet is a jet aircraft powered by two engines. A twinjet is able to fly well enough to land with a single working engine, making it safer than a single-engine aircraft in the event of failure of an engine. [1] Fuel efficiency of a twinjet is better than that of aircraft with more engines. [2]
The Airbus A220-300 is the most fuel-efficient, compared with the A319neo and Boeing 737 MAX 7 [45] Jet airliners became 70% more fuel efficient between 1967 and 2007, [46] 40% due to improvements in engine efficiency and 30% from airframes. [47]
The rear engine operates in the disturbed air from the forward engine, which may reduce its efficiency to 85% of the forward engine. [3] [4] In addition the rear engine can interfere with the aircraft's rotation during takeoff if installed in the tail, or they require additional compromise to be made to ensure clearance. This is why they are ...
Twin-engined piston aircraft (2 C, 27 P) Twin-engined turboprop aircraft (2 C, 6 P) Twinjets (3 C, 462 P) H. Twin-engined piston helicopters (24 P) P.
The long-awaited 777X, the world’s largest twin-engine jet, is expected to enter service in 2025, so this concept exists purely on paper for now. But Lufthansa, which will be among the first ...
In October 2003, a Boeing 777-300ER broke the ETOPS record by being able to fly five and a half hours (330 minutes) with one engine shut down. [32] The aircraft, with GE90-115B engines, flew from Seattle to Taiwan as part of the ETOPS certification program. On November 10, 2005, the GE90 entered the Guinness World Records for a second time.
The Airbus A300 is a wide-body medium-to-long range airliner; it has the distinction of being the first twin-engine wide-body aircraft in the world. [8] [9]: 34 [12]: 57, 60 [19] In 1977, the A300 became the first Extended Range Twin Operations (ETOPS)-compliant aircraft, due to its high performance and safety standards.
The 777 is the world's largest twinjet and the most-built wide-body airliner. The jetliner was designed to bridge the gap between Boeing's other wide body airplanes, the twin-engined 767 and quad-engined 747, and to replace aging DC-10 and L-1011 trijets.
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