Pratt & Whitney J57
Turbojet engine / From Wikipedia, the free encyclopedia
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The Pratt & Whitney J57 (company designation: JT3C) is an axial-flow turbojet engine developed by Pratt & Whitney in the early 1950s. The J57 (first run January 1950[1]) was the first 10,000 lbf (45 kN) thrust class engine in the United States. It was also the first two-spool turbojet to run, a few months before the similar Bristol Olympus in the UK.
Quick Facts J57 / JT3C, Type ...
J57 / JT3C | |
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YJ57-P-3 cut-away demonstrator at USAF Museum | |
Type | Turbojet |
National origin | United States |
Manufacturer | Pratt & Whitney |
First run | 1950 |
Major applications | Boeing 707 Boeing B-52 Stratofortress Boeing KC-135 Stratotanker Douglas DC-8 McDonnell F-101 Voodoo North American F-100 Super Sabre F4D Skyray Vought F-8 Crusader |
Number built | 21,170 built |
Developed from | Pratt & Whitney XT45 |
Variants | Pratt & Whitney JT3D/TF33 |
Developed into | Pratt & Whitney J52 Pratt & Whitney J75/JT4A Pratt & Whitney XT57/PT5 |
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The J57/JT3C was developed into the J52 turbojet, the J75/JT4A turbojet, the JT3D/TF33 turbofan, and the XT57 turboprop (of which only one was built).[2] The J57 and JT3C saw extensive use on fighter jets, jetliners, and bombers for many decades.