Galion 22 conversion

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  • 17 Jan 2018 15:18
    Reply # 5687571 on 5070195
    Anonymous member (Administrator)

    Good luck, Jami,

    I am sure your way will work. The only sails that don't work, are those which were never made. Getting started is half the success.


    Arne

  • 17 Jan 2018 14:19
    Reply # 5687500 on 5070195
    Ok, thanks.

    I used vertical cloth (with one seam) the last time also, as you can see here.  The reason was the small size of the sail: using 170cm cloth horizontally would have wasted a lot, when the height of one panel was maybe 80cm (can't remember excactly).

    Arne, I am about to use broadseaming on your sail model. This is why I'll go for the vertical cloth.

    Last modified: 17 Jan 2018 14:20 | Anonymous member
  • 17 Jan 2018 12:34
    Reply # 5687422 on 5070195

    20mm seam width is standard for a seam with two lines of stitching (and two lines are all that's needed). Good to see that you're placing the cloth sailmaker-fashion, parallel to the leech.

  • 17 Jan 2018 10:12
    Reply # 5687303 on 5070195
    Anonymous member (Administrator)

    Jami,
    I doubt if the width of the overlap is critical. It is the number of seams that decides the strength. I guess you have the choice between double- and trippel-seaming the joints. Make a little test with double and then triple seams, and you will soon see how much overlap it takes to look right. 

    What makes you change from horizontal to vertical cloths this time?

    Arne

  • 17 Jan 2018 09:14
    Reply # 5687262 on 5070195

    The sewing will start soon, but one question seems to keep me on my toes: how wide should one make the vertical seams of the panels in order to ensure the strength?

    20mm overlap? 40? 50? More?

    I'm using 190g/sqm polyester (Swela Outguard).

    The cloth width is 170cm and the panel width is about 400cm, so I'll have two seams - or possibly three, if I end up using broadseaming (which seems probable). The third seam would be placed at about the 35% spot, i.e. max round.

    Last modified: 17 Jan 2018 09:15 | Anonymous member
  • 11 Jan 2018 16:58
    Reply # 5676500 on 5070195

    Thank you once again, Arne!

  • 11 Jan 2018 14:08
    Reply # 5676241 on 5070195
    Anonymous member (Administrator)
    Jami,

    The  lower battens of the 35sqm sail on my IF are 35 x 2mm, and they cope well. Your sail is so much smaller and the boat so much lighter, so I think 35 x 1.5mm should be OK.  For batten 2 from top, I guess I would prefer the 35 x 2mm version, and maybe even for the boom.

    Arne


    Last modified: 11 Jan 2018 20:41 | Anonymous member (Administrator)
  • 11 Jan 2018 12:58
    Reply # 5676206 on 5653642
    Jami Jokinen wrote:

    The mast issue is still pending, but I would need advice on the batten sizes. They will be aluminium tubes, but would 35/2 or even 35/1.5mm be enough or not? 


    Any views, please?
  • 30 Dec 2017 21:27
    Reply # 5653642 on 5070195

    Alll right, folks - I have started crafting the sail by cutting panel patterns from thick paper.

    I'll go for Arne's sail type with AR=2.15 and sail area of about 27 sqm. The cloth will be Swela Outguard (190 g/sqm) in bright yellow :)

    The mast issue is still pending, but I would need advice on the batten sizes. They will be aluminium tubes, but would 35/2 or even 35/1.5mm be enough or not? 


    Last modified: 02 Jan 2018 15:06 | Anonymous member
  • 25 Nov 2017 10:17
    Reply # 5600608 on 5070195
    Anonymous member (Administrator)

    It may still be needed to fill the step with something to make the transition smoother and ensure that the batten parrels etc. don't catch the step, but that isn't difficult to make. I use epoxy with some light filler in it, and then glass over it, no problem.

    Arne


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