A fin for a surfboard having a base and a tip and wherein the fin includes an integral tunnel which provides a tubular housing; an electric motor and associated propeller attached to said integral tunnel so as to be substantially enclosed therein; wherein the integral tunnel and propeller are both positioned so that there is a blade section above and below said integral tunnel which each have a height which is at least substantially 70% of the diameter of the integral tunnel, and wherein the motor and the propeller are positioned forward of a rear edge of the fin. Also provided is a power source to supply power to the electric motor and associated housing and mounting plate. The arrangement of the motor and propeller being located forward of a rear edge of the fin allows the original feel and maneuverability of a non-powered surfboard to be preserved. M' 6 3


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    Titel :

    IMPROVEMENTS IN AND RELATING TO SURFBOARDS


    Beteiligte:

    Erscheinungsdatum :

    2018-12-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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