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HMS Agamemnon by Caldercraft

Hi Iutar,
Another day starting with new and excellent information. THANK YOU for posting the pics and adding to my own bag of information, I really appreciate it. :)

I do have a question though, how did they fay the boards together? Surely it had to be more than just the hinges. Were long trennals or bolts or other fasteners used. the lids were the same thickness as the planking so about 3 inches more or less so room for fasteners. But, the lids were often curved to match the shape of the hull, so boring a hole through all the boards could be tricky. See sketch below

Thanks again

Allan

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I do have a question though, how did they fay the boards together?
Hi, Allan!
The lids were made from two layers of boards placed perpendicular to each other. The layers were fastened together in the same way as everywhere else in the world - with frequent nails with hidden boats. For this reason, the nails are not visible on the Victory's gun port covers. They are carefully coated with red iron oxide, which has a high fire resistance.
Why didn't the lids have a border? The border didn't hold up well to storm waves and enemy cannonballs. In addition, the border swelled and warped from the water. The oblique cut turned out to be more reliable.


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In various sources of the 18th century about English shipbuilding it was written that the covers were made of pine, in two layers, the inner layer, vertical, was 2 inches thick. The outer layer followed the thickness and shape of the outer skin. The layers were nailed together at 2 1/4" intervals. The width of the groove made in the outer skin for the cover was from 1 1/4 inches to 2 1/4 inches. The depth of the groove was to the frame.
 
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I admit I'm late with a follow-up.

But in the meantime, I've been able to determine the correct dimensions for the openings to be made in the hull: a bit of calculation. To determine the openings, I made a dummy closure for the lower GunPorts, and taking the placement of the lids into account, the lower dimensions of a GunPort opening are 17 x 15 mm. For the Gundeck (the "smaller"), they are 15 x 13 mm.


After a day of drilling and sanding: see photos.

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Next step: installing the lids, i.e., borders, with 1 x 10mm walnut strips.
A time-consuming job. I was looking for a system to prefabricate the frames (lids) and simply slide them into the openings...but it was impossible because the openings aren't exactly the same. Ultimately, I first cut the vertical lids to size in each gunport, then the horizontal ones, and fit them between them.

The first GunPort took an hour, now I can easily do 2 per hour...so all good and neat.

The attentive viewer will also notice that I've already provided the following holes that I'll finish later (foresail sheet, spritsail yard sheet, and mainsail tack).

The instructions show how to easily drill a 2.5mm hole in the hull... Not so...

Iutar, Allen...Question
How were they made in the past?


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I understood it this way: he is talking about the holes in the hull.
Thanks Iutar, I get it now, my mistake. There were sheaves in the hull as in your drawings for the lines mentioned to pass through, not holes. The instruction calling for holes is incorrect.
Allan
 
I understood it this way: he is talking about the holes in the hull.
The last line of the text.
I think you have it right, although it took awhile for it to click in my mind. The openings for lines for the various tacks and sheets which run through the hull. The illustration and photos you provided are very informative.
 
Thanks Iutar, I get it now, my mistake. There were sheaves in the hull as in your drawings for the lines mentioned to pass through, not holes. The instruction calling for holes is incorrect.
Allan
Hi Allan,

I'm asking this question because the Agamemnon is a ship of the line and may have been built (eg the sheaves or other upcoming details) differently than a frigate like the Diana.

Cheers

Marc



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