Information on developments in ship equipment patented by E.Hallen of Gothenburg; in lastest design, boom is suspended by twin topping lifts attached at their standing ends to rods which are hinged from point at some distance from center of extended cross trees and suspended by short strops from horns above; these rods follow all movements of topping lift outboard of fore and aft but are limited at axis by preventer span when derrick is slewed; of 2 new mast designs, one is heavy unstayed tubular mast with substantial, extended cross trees and other is of Y-form; diagrams and photographs are included.


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    Title :

    New hallen cargo rigs


    Additional title:

    Mar Engr Naval Architect


    Published in:

    Marine Engineer and Naval Architect ; 87 , n 1060 ; p 328-329


    Publication date :

    1964


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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