New sail for Tystie

  • 13 Mar 2012 02:57
    Reply # 856829 on 833895
    At last! Tystie's new sail is finished, the last stitch sewn, the last eyelet in place. I can take off the kneepads and put away the sewing machine. It's a big job, making sails this big, to a standard that I think is good enough to go across oceans with.

    Now I can turn my attention to the spars. I have decided that if I am to be able to sail with this rig on Tystie into my dotage, I have to make the whole thing as light and also as strong as is possible. It isn't possible to buy a suitable spec and temper of aluminium alloy here in long enough lengths; not is it possible to buy pultruded GRP tubes in long enough lengths. Wood is too heavy.
    I have ordered several megabucks worth of carbon fibre braided sleeve. I'll have to do some trials before settling on an exact specification for the spars, but the basic principle is that several layers of the braided sleeve (which is like the braided outer of a braid/braid rope, but much bigger) are slid over a foam mandrel, wetted out with epoxy, pulled tight and hoisted to a vertical position to cure. 
    Nothing will happen until after the NZ rally, because I want to sail alongside Footprints with her new rig, and my old rig; before taking my old rig off and starting on the spars. I'll keep you posted.
  • 08 Mar 2012 04:36
    Reply # 851115 on 833895
    Back to work on sailmaking today. Seven panels assembled, with their batten pockets (six seams of 6 1/2 metres). I have to say that Arne's "amateur method b" must be the quickest, easiest way to assemble cambered panels together.
  • 01 Mar 2012 05:03
    Reply # 840159 on 833895
    Sixth day:
    Cutting and hemming batten pockets all day, and adding a fender made from car seatbelt webbing with a piece of closed cell foam 20mm x 8mm underneath, to each of the forward ends. Not easy to do, but the softening of the contact against the mast makes it worth while.
  • 29 Feb 2012 05:29
    Reply # 838987 on 833895
    Fifth day:
    Panels one and two seamed up, and that completes the panels for both Tystie's and Footprints' sails.
  • 28 Feb 2012 04:16
    Reply # 837748 on 833895
    Fourth day:
    Panels three to eight all seamed up.  The hard bit is to get the overlap in the broad seamed part right. I kneel on the cloth, with my knee on the inner end of the broad seamed triangle, and my knee acts as the former around which I pull the cloth into a smooth straight triangle and rub down the double-sided tape. When done, the edges of the cloth should be in a straight line, and sometimes this takes two or three attempts before it's right.
  • 27 Feb 2012 21:06
    Reply # 837372 on 833895
    Sounds like the 2 Davids are going great guns.  It's going to be wonderful to see the boats with their beautiful new sails.  Known, of course, as the Fantail rig.  (My wee ship is nauseatingly smug about being a trend setter!)
  • 27 Feb 2012 04:54
    Reply # 836521 on 833895
    Third day's work:
    We finished cutting out and taping panel eight and the sleeve for the yard.
    Then, before lunch, a row out to Tystie to fetch the power adaptor I'd forgotten (when will all countries standardise on the same power plugs and sockets, I wonder?) and to fetch a batten, for the size, and to measure the yard and boom.
    After lunch, sewing. We seamed up the top two panels on each sail. 
  • 26 Feb 2012 19:40
    Reply # 836220 on 833895
    I don't know whether you told me to sew the batten pocket to the lens first or not, Paul, but I preferred sewing lens to panel and then putting the pocket on after.  The lenses are fairly narrow pieces of fabric and there was no problem in sewing the batten pockets on. The increasing amount of material that had to be pushed back and forth along the table as the sail was assembled, was the only issue I found in making it.  I never had to force vast amounts of canvas through the throat of the machine.
    Last modified: 26 Feb 2012 19:41 | Anonymous member
  • 26 Feb 2012 10:52
    Reply # 836036 on 833895
    [quote]you will ultimately have to be pushing the whole sail through the sewing machine. The trick is to do as much detailing as possible before you join the sail together.[/quote]
    I followed Arne's advice and made the sail in two parts that for most of the sewing I only ever have to feed one rolled up panel through the machine at a time. Either way at the end you end up moving a lot of cloth around.
  • 26 Feb 2012 06:25
    Reply # 835966 on 833895
    Second day's work:
    We finished cutting and taping panels three, four, five, six and seven today, for both sails. Exhausting work, but it leaves only panel eight and the yard sleeve to be done tomorrow.
       " ...there is nothing - absolutely nothing - half so much worth doing as simply messing about in junk-rigged boats" 
                                                               - the Chinese Water Rat

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