For aerospace powerplant requiring high power reduction gearboxes, an analytical method of estimating the efficiency of candidate transmissions was developed. The analysis was calibrated against an existing transmission and applied to gearboxes for single and contrarotating propfans and larger ultra-high-bypass ratio engines. In all cases the predicted efficiencies are broadly acceptable. The single most powerful influence is the gearbox configuration which is generally imposed by airframe requirements.


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    Title :

    Transmission Efficiency in Advanced Aerospace Powerplant


    Contributors:

    Publication date :

    1987


    Size :

    14 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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