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SibLim - planking the hull

  • 29 Mar 2016 11:34
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    Reply # 3916118 on 3779106
    Anonymous member

    The middle sections of the bilge panels are probably the hardest part of the planking, as they are about 1500mm wide, and need an extra section scarphing onto the edge before fitting. They also have to be fitted around the protruding bilgeboard cases. Definitely a two or three person job! Though that brilliant tip of Bruno's, about using dowels, should make things a bit easier.  
  • 27 Mar 2016 10:15
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    Reply # 3907432 on 3779106
    Anonymous member (Administrator)

    Annie, a couple of armchair-questions:

    Those bilge panels are not so wide. Can you precut the plywood to just a bit oversize, before the first dry-fitting, to make them easier to handle? I have a roll of painter’s paper at hand, and I find it very useful to make patterns from. I guess such paper, or cardboard could also be used to let you measure up the rough shape of plywood panels, just a couple of cm oversize around the edges ( or as accurate as you like, as you get the hang of it). This could well bring the weight of the panels down, and save you back and arms. I guess you then trim them to (almost) accurate size before starting with stirring epoxy.

    Another thing: Do you add epoxy to both the plywood panels and the contact surfaces on the boat? If you only add the epoxy to the boat, and thus keep the panel to be fastened dry; what if you use four  dowels at only 20-30cm distance (two on upper edge and two on the lower), near the middle (balance point) of the panel? Then it should be possible to position the (dry) panel on top of the dowels and slide it around just a bit until the holes find the dowels. Then a quick clamp or screw before starting to secure the panel, in earnest. This should hopefully help to avoid smearing epoxy all over the place.

    Just a thought,

    Arne

     

    Last modified: 27 Mar 2016 10:16 | Anonymous member (Administrator)
  • 27 Mar 2016 04:32
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    Reply # 3907202 on 3779106
    Anonymous member
    Oh, I can and I will.  What I meant was that it is going to be too difficult for me to lift and place these big panels on my own.  The full sheet weighs nearly 20 kilos and are an awkward lift for me, because they come up to my shoulders.  I can't imagine getting one into position on my own, without getting glue smeared everywhere.  But I'll be giving it a try before asking for help!
  • 26 Mar 2016 23:49
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    Reply # 3907028 on 3779106
    Anonymous member (Administrator)

    That was a brilliant idea. Why can't you use dowels to help you hold the bilge panels?

    Arne 

    Last modified: 26 Mar 2016 23:50 | Anonymous member (Administrator)
  • 26 Mar 2016 23:04
    Quote
    Reply # 3907014 on 3779106
    Anonymous member
    A few more pics:

    Bruno, from Lakatao made a brilliant suggestion a few weeks back: use a couple of wooden dowels to locate the sheets of plywood.  You clamp the plywood in place, drill a hole the size of the dowel through the plywood into the chine log (or whatever) and then drill a hole 0.5mm larger in the plywood.  Then you drive in the dowels, undo the clamps and lift the plywood off.  When you come to glue it in place, the pegs are sticking out and you simply place the holes over them.  It is much better than using screws, which if you get it wrong, will simply make a new hole.  The pegs don't get hidden under the glue, either, unlike screw holes and they enable you to lean the plywood against them, while you manoeuvre it into place.  Because I pre-coat the plywood with epoxy, there's no need to put any glue on it - just thoroughly sand the epoxy - which makes it nice and clean to handle.  Because of this clever idea, I've been able to handle full-sized sheets of 12mm plywood on my own.  You have to place the dowels quite carefully, because of course there is insufficient friction to hold the plywood if it requires bending.

    However, I will need help for the bilge panels!
  • 21 Mar 2016 20:06
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    Reply # 3895669 on 3891866
    Anonymous member
    Arne Kverneland wrote:

    Anyway, I bow to the dust in admiration when I see your work. The few little  interior jobs I have done this winter have convinced me that I am not a boatbuilder...

    Cheers, Arne 

    Arne, you are too kind.  I think you've included some clever ideas in your new boat and I bet you're dying to get her rigged and sailing.  It's the Equinox: summer can't be too far away for you!
  • 20 Mar 2016 09:46
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    Reply # 3891866 on 3779106
    Anonymous member (Administrator)

    Annie,
    I see what you mean. WA has done strange things to the member’s photo albums. It seems that the photos are sorted depending on the filename of the uploaded photo, unlike before when the last uploaded photo was placed last. I have written to WA to tell them what I mean about it, and also asked for a little more room for the captions under each photo.

    Since I partly take my photos with a camera and partly with my mobile phone, these produce different filenames. I am to upload a few photos from the interior of my boat now, so I guess I will have to first transfer them to a folder and rename them so they stack correctly in the member’s album. So far I have not had problems with photos ending on the side.

    I guess my filenames will start with  yyyymmdd xx and then the description

    Anyway, I bow to the dust in admiration when I see your work. The few little  interior jobs I have done this winter have convinced me that I am not a boatbuilder...

    Cheers, Arne 

    Last modified: 20 Mar 2016 09:46 | Anonymous member (Administrator)
  • 20 Mar 2016 01:16
    Quote
    Reply # 3891536 on 3779106
    Anonymous member
    I've added some more photos to 'Planking the Hull' album.  It has been a complete pain to use: a lot of the photos, in spite of my best efforts with several programs, insisted on staying on their sides and they loaded in a completely erratic manner, in spite of my trying to date them in a variety of ways.  Blame Wild Apricot.

    Anyway, I'm pleased to say that this album is now full.  With luck the next one will give me a lot less trouble.
  • 09 Feb 2016 19:58
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    Reply # 3809549 on 3779106
    Deleted user

    Both chine logs were in place when I saw SibLim on Monday evening, and their curved lines add an extra dimension to the very linear look of the bulkheads. Visually they have quite a profound impact.

    The kauri of the permanent bulkheads looks great - the honey colour is bright and warm. SibLim is certainly an intriguing boat to keep an eye on as she takes form.
  • 07 Feb 2016 20:22
    Quote
    Reply # 3805522 on 3805510
    Anonymous member
    Annie Hill wrote: …What really takes the time is the sorting what I've taken and then adding captions.

    i don't know a shortcut for this part – sorry!
       " ...there is nothing - absolutely nothing - half so much worth doing as simply messing about in junk-rigged boats" 
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