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The Rolls-Royce Conway, the world's first production turbofan, had a bypass ratio of 0.3, similar to the modern General Electric F404 fighter engine. Civilian turbofan engines of the 1960s, such as the Pratt & Whitney JT8D and the Rolls-Royce Spey, had bypass ratios closer to 1 and were similar to their military equivalents.
GE Aviation, part of the General Electric conglomerate, currently has the largest share of the turbofan engine market. Some of their engine models include the CF6 (available on the Boeing 767, Boeing 747, Airbus A330 and more), GE90 (only the Boeing 777) and GEnx (developed for the Boeing 747-8 & Boeing 787 Dreamliner and proposed for the Airbus A350) engines.
The Guizhou WS-19 (Chinese: 涡扇-19), code name Huangshan, is an afterburner turbofan engine designed by the Guizhou Aeroengine Design Institute. It has a reported thrust-to-weight ratio of 10 and a thrust of 10 metric tons or 22,000 lbs. [1] [2]
Though the USAF had wanted the TF30, Pratt & Whitney was unable to meet the production timetable, because its facilities were already committed to producing other engines. Instead of producing the TF30 under license for P&W, the Allison Engine Company offered to the Air Force its TF41 turbofan, a license-built version of the RB.168-25R Spey. [9]
In 1959, important orders for the engine were the Boeing 707-120B and Boeing 720B when American Airlines ordered one 707 powered by JT3D turbofans and KLM ordered a JT3D-powered Douglas DC-8. Earlier 707s and DC-8s had been powered by the JT3C and JT4A turbojets, and the improved efficiency of the turbofan soon attracted the airlines. A JT3D ...
The AI-25 was designed to power the Yakovlev Yak-40 tri-jet airliner, often called the first regional jet transport aircraft, and is the starting point for the Lotarev DV-2 turbofan engine. [1] The project was launched in 1965, with the AI-25s first test flight in 1966, and finally cleared for production in 1967.
Medium-bypass turbofan engines (17 P) T. Three-spool turbofan engines (11 P) Pages in category "Turbofan engines" The following 7 pages are in this category, out of 7 ...
The Klimov RD-33 is a turbofan jet engine for a lightweight fighter jet and which is the primary engine for the Mikoyan MiG-29 and CAC/PAC JF-17 Thunder.It was developed in OKB-117 led by S. P. Izotov (now OAO Klimov) from 1968 with production starting in 1981.