Three gearing proposals for tanker of about 72,000 tons dw, with two turbines geared to single screw developing 26,500 max shaft hp at 109 propeller rpm; it is concluded that use of hardened and ground gearing for first reduction units can be advantage, preferable with dual tandem drive; procedure for surface hardening of gears; selection of steel, based on aspects of heat treatment and fatigue properties; alternative processes, notably induction hardening and nitriding. (See also discussion Pt 6 Mar-Apr p D37-52, plate; Am Soc Naval Engrs -- J v 71 n 3 Aug 1959 p 521-8; Mar Engr and Naval Architect v 82 n 991 Feb 1959 p 63-8)


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    Title :

    High torque merchant ship gearing


    Additional title:

    North East Coast Instn Engrs Shipbldrs -- Trans


    Contributors:


    Publication date :

    1959


    Size :

    26 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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