This report presents the results of maneuvering and roll experiments conducted with radio-controlled Model 9022, representing the YP 676 Class seamanship training craft. The investigaton was conducted primarily to determine the optimum rudder size for satisfactory maneuvering performance. The effects of ship speed and displacement on directional stability, rudder controllability, and turning ability were also investigated. The roll decay coefficient and roll response (in beam waves) at zero speed were also determined. The results indicate that the YP 676 will exhibit much better than usual ahead or astern maneuvering performance for all of the conditions investigated. In particular, the YP 676 turning performance will exceed that of the YP 660 Class (which is being replaced by the YP 676). In view of these results and various practical considerations. the smaller set of rudders are recommended for inclusion in the final YP 676 design. (Author)


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    Titel :

    Maneuvering Characteristics of the YP 676 Class Seamanship Training Craft as Represented by Radio-Controlled Model 9022


    Beteiligte:

    Erscheinungsdatum :

    1983


    Format / Umfang :

    31 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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