Diesel electric twin screw trailing suction hopper dredgers, Johannes Gaehrs and Rudolf Schmidt, have been in operation for year; requirements were for working windforces up to 8 Beaufort and in high swells, and for good maneuverability; each has 2 lateral suction tubes; length oa is 113 m, beam 18 m, depth 8 m, draft loaded 5.90 m, capacity 4200 tons, dredging depth up to 21.5 m, speed 12 knots (modification possible to 14 knots).


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    Title :

    Modern dredgers in North-West German ports


    Additional title:

    Dock Harbour Authority


    Contributors:

    Published in:

    Publication date :

    1962


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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