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    Graupner Optimist
    13 Posts ยท 8 Followers ยท 7 Photos ยท 39 Likes
    Began 6 months ago by
    Captain
    Canada
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    Latest Post 6 months ago by
    Admiral
    United Kingdom
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    roycv
    Admiral
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Graupner Optimist
    34 Views ยท 3 Likes
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 9 hours ago
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    Hi Peterd, I have recently returned from 5 weeks in Australia and getting back to modelling again. I spent yesterday re-rigging a yacht and today trying to remember where all the bits I had already made for Wild Duck were.
    Eventually found them and will get back to it in the morning, I am about halfway so quite a bit to go.
    regards
    Roy
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    peterd
    Sub-Lieutenant
    ๐Ÿ‡ฆ๐Ÿ‡บ Australia
    ๐Ÿ“ Graupner Optimist
    44 Views ยท 2 Likes
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    Country: ๐Ÿ‡ฆ๐Ÿ‡บ Australia
    Online: 12 hours ago
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    Looking forward to seeing your progress with the Wild Duck. I have seen a lot about that boat on Facebook wooden boat forums.
    roycv
    Admiral
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Graupner Optimist
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    Hi Ross thanks for the comments. What I now do is use 3 hole bowsies, usually in line 3 holes and go in-out-in and tie a knot to secure the end.

    I then fish out loop near the end and put a hook on it. The bowsies I use are about 2.5mm thick and the effectively 4 right angles the cord goes through secures it firmly in place.

    The cord I am using is Sylcast Profish dacron, Black Spot comes in 100 meter reels and 50lbs breaking strain.

    Just been re-rigging my Graupner Gracia yacht with a replacement mast due to a break and bad join that had the mast bent where the crosstree is.

    Just waiting for a warm wind and I shall be out testing to see if all is working. I have left the string knots with ends not cut off yet so further adjustment is possible.

    I have salvaged the old mast and rigging and bowsies for a smaller yacht which is currently on the back-burner.

    Current build is a Wild Duck. A word to the wise! Do not tidy up the workshop before going on holiday, I can't find where I put things now!

    Roy
    RossM
    Captain
    ๐Ÿ‡จ๐Ÿ‡ฆ Canada
    ๐Ÿ“ Graupner Optimist
    49 Views ยท 3 Likes
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    Roy
    How could you prevent the cord from snapping or bowsie from slipping? Double up on the cord before installing the bowsie? Like having a double pulley on a block?
    Force nothing, waste nothing, leave nothing undone
    roycv
    Admiral
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Graupner Optimist
    47 Views ยท 3 Likes
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    Further on and once the sail is in position, there should be a wire or strong cord from the base of the mast to the sail boom located about 4 or 5 inches from the gooseneck.
    This stops the main sail from rising up vertically when the sail is let out. Sometimes refered to as a Chinese Gybe. Also known as a boom vang. There is a lot of tension on this and I have had cord break that I could not break myself.

    Photo shows the position of the vang, however the string used was not gripped well by the bowsie and it has loosened and you can see the result.
    Roy
    mjbb1951
    Able Seaman
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Graupner Optimist
    49 Views ยท 2 Likes
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
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    the luff of the sail should have a luff rope (cord) that goes up the groove as per a real yacht.
    MartyH
    Recruit
    ๐Ÿ‡ฆ๐Ÿ‡บ Australia
    ๐Ÿ“ Graupner Optimist
    55 Views ยท 2 Likes
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    It could be the sail leading edge has a flexible rod or rope sewn into the leading edge and that slides into and retained to the mast slot a bit like a caravan annex?
    RossM
    Captain
    ๐Ÿ‡จ๐Ÿ‡ฆ Canada
    ๐Ÿ“ Graupner Optimist
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    hi Garth!

    Couple of questions first:

    -Is there some kind of bolt rope in the luff of the sail?

    Does the luff of the sail fit freely in the the mast groove/track?

    Gluing makes me a little nervous. If not perfectly aligned on the first try, it might be a disaster.

    Coming from schooners, have you considered sewing the sail to the mast? A spiral thread along the length of the mast?

    Sew through the sail, and around the mast, and drop lower
    sew through the sail, and around the mast, and drop lower
    and repeat every few mm's or cm's. If not a good fit simply cut the thread.

    None of the old videos appear to show any rigging system for the track and sail, so it may be glued into the track
    Force nothing, waste nothing, leave nothing undone
    GARTH
    Captain
    ๐Ÿ‡จ๐Ÿ‡ฆ Canada
    ๐Ÿ“ Graupner Optimist
    77 Views ยท 4 Likes
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    Online: 16 hours ago
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    Thanks for all the support. I found a bag with a lot of goodies inside the hull. There is a wire that I think threads throw the sail. Then, the sail can be put in the groove in the mast. Print reads as photo converted from German. Sails have groments, so that part will be easy.
    HAKits
    Petty Officer 1st Class
    ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    ๐Ÿ“ Graupner Optimist
    77 Views ยท 2 Likes
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
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    It looks like there should be a beading on the leading edge of the sail which sides into the slot on the rear of the mast.
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