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Asymmetrical helm  Bottom

  • My old Tornado cat has strong weather helm on a starboard tack and strong lee helm on a port tack. Obvisouly some asymmmerty somewhere. Any suggestions on where to look? Using sail trim I have to stall the main on one tack and luff it on the other just to make the helm managable.

    Thnaks, Michael
  • are your rudders on backwards? kidding

    perhaps your mast is not over the CE
    perhaps your boards are not tucked under the same
    perhaps a board or rudder is warped
  • I have had something similar when one rudder wasn't quite locking down right,

    --
    Dustin Finlinson • Magna, UT
    Member: Utah Sailing Association
    1982 Prindle 18
    1986 Hobie 17
    1982 Prindle 16
    1980 Prindle 16(mostly)
    1976 Prindle 16(mostly)

    Check out "Prindle Sailors" on Facebook.
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  • I sailed my 5.7 that way for a year. I put levels on the mast,thinking one shroud was shorter, checked rudders, diagonals etc. I looked for a bent mast, & made sure rudders were the same geometry. I measured the ends of the hulls & found they were not in alignment. I finally pinned it to a front beam that had a slight kink, right near the connection to the starboard hull. This forced one hull into a lean, & pointing off center. I replaced the front beam.

    --
    Hobie 18 Magnum
    Dart 15
    Mystere 6.0XL Sold Was a handful solo
    Nacra 5.7
    Nacra 5.0
    Bombardier Invitation (Now officially DEAD)
    Various other Dock cluttering WaterCrap
    --
  • +1 Edchris177

    i was just thinking this weekend, that your beams are not square
  • Some good ideas. I'm off to take some measurements.

    Thnaks for you help,

    Michael
  • Edchris177I finally pinned it to a front beam that had a slight kink, right near the connection to the starboard hull. This forced one hull into a lean, & pointing off center.

    Nice find.
    It wouldn't take much of a kink to give this effect.

    sandrimr check the crossbar beds in the hulls for integrity.
    A sloppy mount (fiberglass or hardware) would give the same effeect.



    Edited by klozhald on Dec 13, 2011 - 08:50 AM.

    --
    Sheet In!
    Bob
    _/)_____/)_/)____/)____/)_____/)/)__________/)__
    Prindle 18-2 #244 "Wakizashi"
    Prindle 16 #3690 "Pegasus" Sold (sigh)
    AZ Multihull Fleet 42 member
    (Way) Past Commodore of Prindle Fleet 14
    Arizona, USA
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