Two general classes of double reduction gears used on merchant vessels are "articulated" type and "nested" gear; difference in torsional characteristics of two arises from different type of connection between slow speed pinions and high speed gears; first or one-noded critical speed is easily approximated by calculating only inertia of propeller and flexibility of line shafting; second or 2-noded critical speed is dependent on gear and turbines; article chiefly concerned with 2-noded critical speed.


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    Title :

    Torsional critical speeds in geared-turbine propulsion equipment


    Additional title:

    Mar Eng Shipg Rev


    Contributors:


    Publication date :

    1945


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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