Check out the bookstore at IRBS.com
| Home | Mailing Lists | Bookstore | Weather | Tide Predictions | Bowditch |

Re: lv-ab: keels

From: (no name) (no email)
Date: Fri Dec 21 2001 - 10:54:55 EST

  • Next message: Doug Crane: "Re: lv-ab: Bandersnatch Alive and Well"

    In a message dated 21/12/01 15:40:56 GMT Standard Time, writes:

    > And on what facts do you base this opinion of twin keels?
    >
    > In actuality, twin keels tend to be faster than full keels on some points of
    > sail & can sail closer to the wind, though not as close as a deep fin of
    > course.
    >
    > IMHO, twins combine some of the best qualities of both: strength (since
    > they're designed to take the ground) , some extra speed compared to full,
    > and, usually, much shallower draft than either.
    >
    >

    I think Hunter Boats (UK) have comprehensively disproved that twin keels have
    to be slow.....its a case of designing them properly. If you think about it
    logically with nicely splayed keels, when heeled over one keel will be way
    out to windward giving a good righting moment while the other is close to
    being vertical doing a good job of resisting leeway. Obviously extra drag is
    a problem at low speeds but when you have an excess of power in fresh winds
    then it would seem that properly designed twin keels can be highly effective.

    Regards

    David

    ___________________________________________________________________________
    || The Live-Aboard List : send a "subscribe" or "unsubscribe" request ||
    || in body of message to: ||


  • Next message: Doug Crane: "Re: lv-ab: Bandersnatch Alive and Well"



    | Home | Mailing Lists | Bookstore | Weather | Tide Predictions | Bowditch | Trawlerworld |