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Originally Posted by deepdug
One of my problems was that I could not find any mention of the designed width at the centre spreader and I didn't trust that little drawing to be to scale.
Not trusting drawings is a good thing! Michael's are absolutely spot-on, but at that scale a humid day can make 50mm of difference!
I suspect he'll read this and add a dimension from here on!
Using the 4mm ply was one of the reasons I was so aware of keeping the gunwhale line fair, so I was a bit careful.
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Also the plans say put the seat support with the bottom on the chine. That's what got the seats so high! As I was short of time I built the seats in situ which is a bugger now that I have to take them out. I hope the trusty Dremel will let me do some fine dental work there. If anyone has some better idea of how to lower the seats [perhaps by cutting near the side and attaching to the stump left behind] I would be pleased to hear it.
I didn't read the plans past the bit that said the seat is (100-120 mm above the bottom) :o :o , but they also look right about there.
I don't think there's an easy way of cutting the seats out, although dropping them by 80mm or so will give you a bit to play with. I'd use an angle grinder, being careful not to grind the sides of the hull!
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I also gave up trying to distort the piece of 15 X 15 that was supposed to be at the top of the bulkheads and left it out. I compensated [in my mind] by puting a filet across under the deck.
That's where experience helps! I just whacked on a flat bit, and cut it down to match the profile. It's all out of sight inside the compartment anyway.
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I think that getting the dome in the decks was the hardest part of the whole exercise. I wonder if it is worth the effort. I had real trouble getting clamps to hold it.
It was worth the effort! I have got a bit of 6mm for the decks, and I reckon it's just about impossible to bend over that radius, so I intend to run it through the drum sander till it's about 4.5mm or until it bends easily!
The answer for others would be to use a lighter ply 4 or 5mm for the half sheet for decks, bulkhead and seats, or run a heap of shallow saw kerfs through the underside of the deck. The curve really makes it look like you put some effort in!
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I extended the gunwales to a point both fore and aft and the sanded them to a nice radius. I think that it looks better like that.
Yep, nice job. I guess I'll make up my mind when/if the time comes. As usual I have spent a lot of time thinking of really hard ways to do something really simple! (see my deck beam for an example of that!)
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I went outside any took a few shots of it in my backyard but the bloody things came out at over 100k even on my camera's lowest setting so I will have to find out how to shrink them before I can post them.
If you can't work it out, send me a PM and we'll overcome it!
cheers,
P
:D :D :D