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    Maree III sharpie 10 Rater
    by steve-d πŸ‡¬πŸ‡§ ( Chief Petty Officer 2nd Class)
    πŸ“£










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    8 Posts 11 Comments 21 Photos 14 Likes
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    πŸ“ Deck beams & keel
    9 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    Been glueing up the curved deck beams (one still in the jig) and laying them roughly in place but final position is going to be governed by mast position and hard points for the running and standing rigging most of which I have yet to establish.
    Most of the keel is done but still needs plenty of sanding to get the foil profile right.

    So next question is does anyone have knowledge on how to make my own sails. They will not be modern Mylar/scrim types as I am going for a semi vintage look. I've bought some white nylon cloth (about the grade you would make a holdall out of) now I need to learn how the get the right shape into the sail.

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    πŸ’¬ Deck beams & keel
    7 months ago by jacko ( Chief Petty Officer 2nd Class)
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    i have used Egyption cotton 1000 cord for mine

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    πŸ’¬ Deck beams & keel
    7 months ago by jacko ( Chief Petty Officer 2nd Class)
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    i also made another set from ripstop

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    πŸ’¬ Deck beams & keel
    7 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    So did you just cut out a triangular shape or build in some shape by changing the shape of the luff and leach?
    Steve

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    πŸ’¬ Deck beams & keel
    7 months ago by jacko ( Chief Petty Officer 2nd Class)
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    just a triangle with a bit of a curve in the longest edge
    ( luff) ?????? i'm new to them yachting terms

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    πŸ’¬ Deck beams & keel
    7 months ago by jacko ( Chief Petty Officer 2nd Class)
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    just looked it up and its the leech and added 35mm max to this

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    πŸ“ Hull off the build jig
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    I didn't know I was building a canoe for a small child but that's how it's come out.
    Now needs strong points for the keel mount, a step for the mast and reinforcement for chain plates etc. I will then glass fibre the inside before making some deck beams.

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    πŸ’¬ Hull off the build jig
    10 months ago by RNinMunich ( Fleet Admiral)
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    So far so good Steve πŸ‘
    I might be tempted to fit at least temporary cross beams though, just in case the fibre-glassing tries to pull the sides together πŸ˜‰
    Crew already lined up? Or do you need to chat with your children? πŸ˜πŸ˜‰
    (Apologies if on thin ice!)
    Cheers, Doug 😎

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    πŸ’¬ Hull off the build jig
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    It won't be my kids (37 & 40) but I do have grand kids that would fit.
    Thanks for the heads up on the deck beams...good call.

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    πŸ’¬ Hull off the build jig
    10 months ago by RNinMunich ( Fleet Admiral)
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    Actually I meant your children as a 'crew production unit' πŸ˜‰πŸ˜²
    Good to hear you have potential already lined up πŸ‘
    Tip about cross beams is from experience. Along time ago (far far away!) I reskinned a long thin destroyer hull, originally built all balsa with a 1/32" hull skin, with fibre glass and suddenly it was even thinner! Good for speed vs given power 😊 but not so good for refitting the decks and internals 😑 Also seemed to create a twisting stress in the hull!!
    Carry on the great work, All the best Doug 😎

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    πŸ“ Second hull skin on
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    Just fitted the second skin on the hull

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    πŸ’¬ Second hull skin on
    7 months ago by Joe727 ( Chief Petty Officer 1st Class)
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    Hello, Just looked through your build blog, interesting way that you are doing the hull. Have you made any further progress on it? Very nice work on the lead bulb
    Cheers, Joe

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    πŸ“ Cast keel bulb
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    Well that went OK.
    Now have to attach it to something.

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    πŸ’¬ Cast keel bulb
    10 months ago by Colin H ( Lieutenant Commander)
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    Nice moulding, did you mould the mounting points in it.
    Cheers Colin.

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    πŸ’¬ Cast keel bulb
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    No mounting points yet.
    I thought I was pushing my luck trying to DIY mould 6.5Kg of lead without making things worse with fixings.
    Plan is that the fin will be between 12 and 30mm thick with a 10mm plywood core which I will set into the lead. Then an 8mm diameter carbon rod right up into the hull finishing above the waterline and two M6 stainless steel studs to hold the keel on. One of those studs will pass right through the lead. There will not be space for the second stud to do the same.

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    πŸ“ Moulds for the keel bulb
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    Made the silicone moulds for the keel bulb. The moulds fit in a box as I doubt they would stay in place with 6.5Kg of molten lead in them. Will find out tomorrow.

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    πŸ“ Progress
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    Can you define progress based on the size of the shavings pile?
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    πŸ“ inaccurate plans
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    Not happy to find that 2 of the frames are not the correct shape.
    I've added a scan of the frames. There should be an even change of spacing of the frame profiles. I think in shipbuilding terms they call it 'fair'. You can see there is not an even transition at frames 12 and 52.

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    πŸ“ Maree III sharpie 10 Rater
    10 months ago by steve-d ( Chief Petty Officer 2nd Class)
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    Maree III is a 10 Rater Sharpie design by A Wilcock dating back to 1958. MM plan MM/504.
    I first built her in 1996 but as with all these things family life got in the way or changed and I stopped taking her out. At some point I must have sold her but I can’t remember how or when.
    A few weeks back I decided to build something again and found the original plans under the bench so where better to start than there. I also found the MM Plans catalogue which is how I found the first date (Plan ordered 06/08/1996 pencilled in the margin).
    The original design does not have a bulb keel but I have decided mine will but not with the narrow carbon fin as used on the latest boat designs. She is also not for competition so I plan to include a cabin top for a more β€˜scale’ appearance.
    Must give my thanks early on for the help I have had from David Creed who researched some old plans to find me a suitable design for the bulb keel but with a quite broad fin. As a result I have now made a plug for the bulb and a box in which to make the silicone mould.
    I have also cut out all the rib moulds so I can start laying up the hull. it is a monocoque design so these are just to build the hull shape. There will then only be a couple of ribs around the keel mount and mast step to add strength in those areas.
    Been buying materials but it is not easy as the plans have very little info on the sails and rigging.
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