A passively controlled fluid foil 1 has a span; and a rigid spar 2c, extending in the spanwise direction (S, figure 3a) a cellular material 4c and a flexible outer surface 10c defining a profile of the outer surface of the foil and encapsulating the cellular material and the spar. The spar may be a single, tapering tube, comprising a fibre reinforced matrix material such as carbon fibre reinforced plastic or glass fibre reinforced plastic, or a metal. The cellular material may comprise a polymer honeycomb material, or wood. The outer surface may comprise rubber or an elastomer. The foil may be installed on the lower surface of a windsurf board (20, figure 2) or other watercraft, and may comprise a hydrofoil.


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    Titel :

    Fluid foil


    Beteiligte:

    Erscheinungsdatum :

    2018-08-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B64C AEROPLANES , Flugzeuge



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