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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.
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 ...
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 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.
The engine was produced in 1970 through 1987 and was used on the Tu-134FA, Tu-134B, and Tu-134AK aircraft. [1] In 1980, the D-30 engine series III, a further improvement, was created with the maximum thrust of 6930 kgf (with preserving it at up to до = +C) [clarify]. The number of the engine compressor stages was increased to 5, the gas ...
The General Electric TF39 is a high-bypass turbofan engine that was developed to power the Lockheed C-5 Galaxy. The TF39 was the first high-power, high-bypass jet engine developed. The TF39 was further developed into the CF6 series of engines, and formed the basis of the LM2500 and LM6000 marine and industrial gas turbine. On September 7, 2017 ...
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.
Turboprop, turboshaft and turbofan engines have additional turbine stages to drive a propeller, bypass fan or helicopter rotor. In a free turbine the turbine driving the compressor rotates independently of that which powers the propeller or helicopter rotor. Cooling air, bled from the compressor, may be used to cool the turbine blades, vanes ...