Propeller induced vibratory forces acting on the rudder of a water tunnel simulation of the SEA CONTROL SHIP are measured as a function of longitudinal and transverse clearance in order to determine an optimum location. The influence of propeller-rudder clearance on steady state propulsion and rudder effectiveness is obtained. It is found that vibratory forces measured at a cavitation number corresponding to full power are three times the corresponding values measured without cavitation. A significant reduction in vibratory force at zero rudder angle appears to be possible by moving the rudder from the present design location. The present transverse propeller-rudder clearance appears to be optimum. (Author)


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    Title :

    Experimental Optimization of Propeller Rudder Orientation for Minimum Vibratory Loading


    Contributors:

    Publication date :

    1975


    Size :

    119 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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