A few members of the SoS knew about my plans. Inspired by the cut of
@Maarten Maarten.
A BN as an “open waterline shipyard model”.
This means that the hull is cut at the waterline.
Here's what I mean:
View attachment 249795
With the advantage that you will also keep a view of all the work I now do on the inside of the hull.
And the layout of the cabins and fish holds that I still want to make.
I have already marked out the waterline on the hull. A matter of securing the hull in the stand and marking it all around.
I was planning to only post about this when everything was over.
But I would like you to enjoy the excitement and tension that this brings.
So here are some pictures from the beginning and how I approached it.
Until recently I didn't know when I would do this. When the whole hull was ready, for nth solidity?
Decided to do it now. Because now I can still reach the inside to make adjustments if necessary.
First I made a mold in which I could align the model exactly on the waterline:
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I had already attached the YQ jig to the top plate, to get a firmer surface.
I have now secured it with threaded ends on a sturdy bottom plate.
In between I attached 2 aluminum profiles. The advantage of these profiles is that they are straight and sturdy.
All with washers and wing nuts so I could level the hull to the waterline. Both in length and width.
Then I could screw up both profiles so that they came to the waterline at cutting thickness:
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At the front the waterline starts just below the lowest point of the 5th frame.
And at the rear it also starts just below the 5th frame from the back:
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All can be found on the drawings of YQ.
There are some lines on the hull above and below the waterline. I intended to fix the frames on the inside and/or outside with battens. But due to the different chamfering of the frames, it was almost impossible to get that batten neatly on the waterline and cutting the batten would result in different thicknesses. And I would have to expand the waterline again on the battens. A lot of work that did not ensure success. Decided to go straight to sawing.
When everything was checked for the 3rd time, the saw was set up:
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I had bought the Japanese Kataba saw for this a while ago. With enough space to be able to make supported pulls. Because the teeth of a Japanese saw are "on pull".
Also double check the alignment of the saw:
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And no turning back:
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For the photo, I let the saw hang loosely. You can see the flexibility of the blade. When sawing, I let the blade be guided by the two profiles.
Through the first 3 frames:
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Phe phoe ..... exciting ……..
I'm still sawing through the frames and the keel. As soon as the saw is also visible on the inside, I'll come up with an update.
Regards, Peter