A novel watercraft having propulsion means extending below the water line comprising a pair of flexible fins each adapted to oscillate through an arcuate path in a generally transverse direction with respect to the central longitudinal dimension of said watercraft, means for positioning said propulsion means to propel said watercraft forward and to rotate said propulsion means 1800 with respect to the longitudinal dimension of the watercraft to propel said watercraft aft, and means operatively associated with said propulsion means for applying input force to said propulsion means whereby as input force is applied, said flexible fins can twist to form an angle of attack for providing forward or aft thrust with respect to the longitudinal dimension of the watercraft while moving said flexible fins in both directions along said arcuate path.


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    Titel :

    Reversing propulsion device for watercraft



    Erscheinungsdatum :

    2017-08-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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