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  2. Pratt & Whitney JT8D - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_JT8D

    The JT8D is an axial-flow front turbofan engine incorporating a two-spool design. There are two coaxially-mounted independent rotating assemblies: one rotating assembly for the low pressure compressor (LPC) which consists of the first six stages (i.e. six pairs of rotating and stator blades, including the first two stages which are for the bypass turbofan), driven by the second (downstream ...

  3. Honeywell/ITEC F124 - Wikipedia

    en.wikipedia.org/wiki/Honeywell/ITEC_F124

    The F124 engine is a low-bypass, two-spool engine (meaning that there are two rotating shafts, a high-pressure shaft and a low-pressure shaft). The fan/low-pressure compressor has three stages with titanium blades. The first stage has 30 blades, [19] and the overall pressure ratio for the three-stage fan is 2.5:1. Some of the air is bypassed ...

  4. PowerJet SaM146 - Wikipedia

    en.wikipedia.org/wiki/PowerJet_SaM146

    In the joint venture, Saturn, an engine design and manufacturing subsidiary of UEC is responsible for the design and manufacturing of the cold section which includes the fan, the low-pressure turbine and the low-pressure compressor, as well as for the general assembly and testing of the SaM146 engine.

  5. Pratt & Whitney PW1000G - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_PW1000G

    The PW1500G variant, designed for the Airbus A220, became the first certified engine in 2013. The program cost is estimated at $10 billion. Unlike traditional turbofan engines where a single shaft connects all components, forcing them to operate at the same speed, the PW1000G has a gearbox between the fan and the low-pressure core. This allows ...

  6. Pratt & Whitney PW1120 - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_PW1120

    It would be built under licence by Bet-Shemesh Engines Limited in Israel. IAI installed one PW1120 in the starboard nacelle of an F-4E-32-MC of the IDF/AF (Number 334/66-0327) to explore the airframe/powerplant combination for an upgrade program of the F-4E, known as Kurnass 2000 ("Heavy Hammer") or Super Phantom and to act as an engine testbed ...

  7. CFM International LEAP - Wikipedia

    en.wikipedia.org/wiki/CFM_International_LEAP

    The fan has flexible blades manufactured by a resin transfer molding process, which are designed to untwist as the fan's rotational speed increases. While the LEAP is designed to operate at a higher pressure than the CFM56 (which is partly why it is more efficient), CFM plans to set the operating pressure lower than the maximum to maximize the ...

  8. Pratt & Whitney F119 - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_F119

    The high pressure and low pressure turbines were single stage and counter-rotating, which reduced the gyroscopic forces on the engine; it was hoped that counter-rotation would eliminate a row of turbine stators for a vaneless high and low pressure turbine interface, which would save weight and reduce parts count, but this was ultimately not ...

  9. IHI Corporation XF9 - Wikipedia

    en.wikipedia.org/wiki/IHI_Corporation_XF9

    XF9-1 on a test run. The XF9-1 is a twin-spool axial-flow afterburning turbofan with a dual redundant FADEC, consisting of a 3-stage fan, a 6-stage high-pressure compressor, an annular type combustor, a single-stage high-pressure turbine, a single-stage low-pressure turbine, an afterburner, and a convergent-divergent nozzle.

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