An appendage 8 for reducing a hub vortex is arranged, through a support 7 extending from a hull 2, behind a propeller (wing propeller) 4 having no rudder behind the propeller. The appendage 8 is in the form of a spindle having a circular cross-section in a direction perpendicular to a central axis of the spindle along a hull and having a rear portion with gradually reduced diameters toward a rear end. The appendage 8 has a maximum diameter and a length along a hull which are 10-40% inclusive and 40-70% inclusive of the diameter of the propeller (wing propeller) 4, respectively.


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    Title :

    PROPULSION DEVICE FOR MULTI-SHAFT SHIP


    Additional title:

    ANTRIEBSVORRICHTUNG FÜR MEHRWELLENSCHIFF
    DISPOSITIF DE PROPULSION DE NAVIRE À ARBRES MULTIPLES


    Contributors:

    Publication date :

    2021-08-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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