There is much argument amongst users about the relative virtues of small fast vessels. Their experiences with ships are used in the design of new generations in a continuous process of, often piecemeal, improvement. To verify the improvements in seakeeping behavior between two fast rescue vessels of the Dutch Lifeboat Institution (KNRM), full scale experiments were carried out in waveheights of between 2 and 2.5m on the North Sea in February 1996. Ship 1 (the Graff van Bylandt) is slightly longer and has a larger displacement than (the older) Ship 2 (the Christien). In addition, it has a steeper deadrise near the bow. Measurements on both ships were carried out simultaneously and concentrated on the accelerations. It was shown that the vertical and longitudinal accelerations in the wheelhouse of Ship 1 were between 5 and 10% lower than on Ship 2.


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    Title :

    Comparative Full Scale Trials of Two Fast Rescue Vessels. International Conference SURV IV, Surveillance, Pilot and Rescue Craft for the 21st Century. Held in Gothenburg, Sweden on May 13-14, 1997


    Contributors:
    J. Ooms (author) / J. A. Keuning (author)

    Publication date :

    1997


    Size :

    26 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English