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  2. RFB Fantrainer - Wikipedia

    en.wikipedia.org/wiki/RFB_Fantrainer

    The RFB Fantrainer (or Fan Trainer) is a two-seat flight training aircraft which uses a mid-mounted ducted fan propulsion system. Developed and manufactured by German aircraft company Rhein-Flugzeugbau GmbH (RFB), it has been used by the Royal Thai Air Force. Development of the Fantrainer commenced during the 1970s.

  3. Fan disk - Wikipedia

    en.wikipedia.org/wiki/Fan_disk

    Diagram of a fan disk Fan disk assembly diagram, showing one blade and attachment hardware Cross section of fan disk Failed fan disk recovered from the center engine of UAL 232. A fan disk is the central hub of a fan in a turbofan engine. Fan blades are attached to the fan disk, which is rotated by a shaft driven by a gas turbine. [1]

  4. ACMAT - Wikipedia

    en.wikipedia.org/wiki/ACMAT

    ACMAT was founded as The ALM SA (Ateliers Legueu Meaux) in 1954 by René Legueu as a Meaux-based manufacturer of wheeled military vehicles. [5] Some of their heavy trucks and commercial vehicles are also available in civilian versions.

  5. Pratt & Whitney F119 - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_F119

    Delivering almost 22% more thrust with 40% fewer parts than its F100 predecessor, the F119 allows the F-22 to achieve supercruise speeds of up to Mach 1.8. [ 1 ] [ 2 ] The F119's nozzles incorporate thrust vectoring that enable them to direct the engine thrust ±20° in the pitch axis to give the F-22 enhanced maneuverability.

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  8. Pratt & Whitney JT3D - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_JT3D

    A 2-stage fan replaced the first 3 stages of the 9-stage JT3C LP compressor. On the LP turbine, the second stage was enlarged and a third stage added. Unlike GE with the CJ805-23, Pratt & Whitney had not undertaken any transonic fan research prior to designing the JT3D, so they were unable to incorporate a single stage unit into the ...

  9. Ducted fan - Wikipedia

    en.wikipedia.org/wiki/Ducted_fan

    In aeronautics, a ducted fan is a thrust-generating mechanical fan or propeller mounted within a cylindrical duct or shroud. Other terms include ducted propeller or shrouded propeller . [ 1 ] When used in vertical takeoff and landing ( VTOL ) applications it is also known as a shrouded rotor .