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Halyard replacement  Bottom

  • The jib halyard for my G-Cat has some burrs and needs replacement. A friend suggested as an option to wire, consider one of these new low stretch lines either 1/4 or 3/16ths. Since I don't race anymore and these high tech lines hardly stretch at all, is this a viable alternative? How about knot retention and longevity when exposed to prolonged UV exposure?

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    Bill Townsend
    G-Cat 5.7
    Sarasota
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  • 3mm single braid Dyneema is more than enough.

    --
    Brgds
    Lars

    Frankencat 5.5/F18
    Soon Frankencat 5.8/F20
    49er
    --
  • Dyneema has excellent uv properties. It's slippery so knots don't hold well. There's a whole set of different knots you can use with dyneema for good hold. They are easy to tie, mostly simple knots - trucker's hitch.
  • What about dacron that is cored with dyneema? Would that help the knot retention issue?

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    Bill Townsend
    G-Cat 5.7
    Sarasota
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  • yup

    i use 3mm robline dingy control line. it survives years of uv and non-cleated use.

    it isn't optimal in cleats. (and my cats are under tarp but i have used this line for years and so do many)
  • Why knots? Single braid Dyneema is easy, even för a novice, to splice.



    Edited by revintage on Sep 08, 2019 - 12:20 PM.

    --
    Brgds
    Lars

    Frankencat 5.5/F18
    Soon Frankencat 5.8/F20
    49er
    --
  • You can use Dyneema or something equivalent. For this boat, a bowline will be sufficient. I have used 7/64" tech-12 on my Prindle 19 with a large jib and never had an issue. One thing to check and consider are the blocks involved with the halyard. Take some toilet paper and rub the sheaves. You are looking for burrs or sharp points with the block. Many times a wire halyard will build grooves in the sheave and these grooves will tear up a synthetic line. Don't get too involved in the line type. If you are not racing then it really doesn't matter how high tech the line gets; it's just money...

    Keep it simple, keep it affordable.

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    Scott

    Prindle 18-2 Mod "FrankenKitty"
    Tornado Classic "Fast Furniture"
    Prindle 19 "Mr. Wiggly" - gone
    Nacra 5.8 "De ja vu"
    Nacra 5.0
    Nacra 5.8
    Tornadoes (Reg White)
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  • If you tie a bowline in any of the 12-strand dyneema lines, it will slip under pressure. However, if you put a couple of drops of splicing fluid (super glue) on the knot, it will hold...
  • I've not noticed that much Mike. I use an extra long tail and tend to loop the line through the ring prior to tying so the line is taking the load, not so much the knot.

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