Unducted-fan (UDF(TM) engine advanced counterrotating-pusher-propeller propulsion system for high-subsonic (mach 0.7 to 0.85) aircraft. Combines modern high-pressure-ratio gas-turbine engine with multistage counterrotating power turbine directly coupled to counterrotating, advanced high-speed propellers. Key feature of system is unique direct turbine drive eliminating need for gearbox to transmit power to propeller blades.


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    Title :

    Unducted-Fan Engine


    Contributors:

    Published in:

    Publication date :

    1987-10-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


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