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Mainsail dimensions for different boats?  Bottom

  • I have a 20' trimaran with a beachcat-sized rig. I need new sails, my jib is torn and my main is 25 years old and pretty blown out. So I thought I'd look for some beachcat sails in decent shape for the main at least, but most ads just list the kind of boat, not the sail dimensions. The dimensions of my main are:

    Luff 26' 7"

    Foot 8'

    Fully battened like a beachcat, moderate roach.

    The boom and gooseneck are kind of janky too, so if a new sail had a slightly shorter foot that would be ok, I'll build a new boom. More roach or a square top would be ok.

    What classes should I be looking at for a 26' to 26' 7" luff on a main, anyone know off the top of their heads?

    And relatedly, once I get a main I need a new jib which I think I just have to have made, the jib is a lot bigger than a beachcat jib. Who would you go to in the Houston/Galveston area for a new jib for a boat like this?

  • I have a Prindle 18 sail for sale
    26,75 luff 7.67 foot sounds ideal!


    Dart 18x2
    Nacra 5.8
    1967 B-LION for sale
    1985 Hobie 18
    Windrider Rave x2 for sale
  • If you do a brand new jib - I had good luck with C&C (Butch). He's very attentive/responsive. Good prices too.

    I have a spare Tornado main, if you're interested in one fairly cheap. But, it has a luff of 28.8 feet and foot of 7.92 feet; maybe a bit too big.

    As far as dimensions, you can get a few off the Sailrite web site; there are a TON of boats in the list and SOME limited information from sites like sailboat data, etc.


    Edited by charlescarlis on May 26, 2023 - 01:37 PM.

    Chuck C.
    H21SE 408
  • Is your jib fractional or masthead rigged?

    Sheet In!
    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
  • I think all beach cats are fractional, or at least most.

    Chuck C.
    H21SE 408

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