Foil Stabilised Trimaran ??????

Discussion in 'Multihulls' started by jordan1, May 28, 2015.

  1. jordan1
    Joined: May 2015
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    Location: NSW Australia

    jordan1 New Member

    Anyone know anything about the history, background, contacts for this trimaran moored just outside the Napa Valley marina??
    Thanks.
     

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  2. daiquiri
    Joined: May 2004
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    Location: Italy (Garda Lake) and Croatia (Istria)

    daiquiri Engineering and Design

    It has all the appearance of a pretty old boat, like 20+ years. Either that or it was just very poorly maintained.
    So, considering its apparent age, I don't think it is a foil-stabilized tri but rather one of many offsprings or variations of the wing keel of the Australia II sailboat (http://en.wikipedia.org/wiki/Australia_II , http://en.wikipedia.org/wiki/Winged_keel).
    I guess it is a fixed keel, in which case those winglets are probably a way to increase the hydrodynamic efficiency of the keel while keeping the draft as shoal as possible.

    Cheers
     
  3. cmclaughlin
    Joined: Oct 2013
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    Location: NE USA

    cmclaughlin Junior Member

  4. Gary Baigent
    Joined: Jul 2005
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    Location: auckland nz

    Gary Baigent Senior Member

    Cleaned up the image.
    That is no old fashioned dunga with a long keel? But one of the French (albeit a couple or more decades old now) alloy constructed foilers designed by Sylvestre Langevin.
     

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  5. Corley
    Joined: Oct 2009
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    Location: Melbourne, Australia

    Corley epoxy coated

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