CH14 underway

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MartinV
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CH14 underway

Post by MartinV » Sun Aug 07, 2016 2:33 pm

I've finally started building the CH14. Got the 100% mahogany ply Friday, transferred the dimensions yesterday and cut and joint the panels (on 1 side) today. I'll try and post some pictures later. What I came across:
- I've read about a builders who's glassfibre butt blocks failed and it was mentioned it was because he didn't fill the space between the panels. In order to prevent that (and breakage when turning over to do the other side),I've placed all panels on the floor with approx 5 mm in between, put some weights on them to fix their positions, filled with putty and glassed one side. Results will be in tomorrow :wink:
- My order of resin and glass tape hasn't arrived yet, so I had to make due with some leftover epoxy and some home cut strips of glass from a large piece of fabric, even tried the PE foil for a smoother finish


CH14 built, something with a sail next

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pee wee
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Re: CH14 underway

Post by pee wee » Mon Aug 08, 2016 9:27 am

Very nice! That sounds like some premium plywood, are you planning to do a clear finish on part of your boat?
Hank

MartinV
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Re: CH14 underway

Post by MartinV » Tue Aug 09, 2016 2:25 pm

I do! The inside of the hull. I didn't pre-order Okoume ply and this was the only thing in stock. Now I've got some epoxy on it, it's very nice! The rest of my stuff came in late today, so the only thing I could do on the hull was the glass tape butt block on the other side.
However, I did buy a piece of ash at the local saw mill and nearly finished a yoke with some free plans I got from the internet. Pics to follow
CH14 built, something with a sail next

MartinV
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Re: CH14 underway

Post by MartinV » Thu Aug 11, 2016 3:19 pm

I've attached all panels and took my time to line everything up. I tried to ommit the tie rips and use duct tape, but the panels created too much tension, so I had to use tie rips. I spotwelded the panels with epoxy glue and hope to remove the tie rips tomorrow and start making fillets on the inside.
I had to use a lashing to hold the centre spreader in place.
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CH14 built, something with a sail next

Jeff
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Re: CH14 underway

Post by Jeff » Thu Aug 11, 2016 3:44 pm

MartinV, Looks really nice!! Jeff

MartinV
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Re: CH14 underway

Post by MartinV » Sat Aug 13, 2016 12:40 pm

I've removed all tie rips and am surprised to experience the strength of spot welding. I've also finished the seams on the inside, but it left me wondering about some stuff:
- doing the inside of the bow annex stern is very difficult, as it is very narrow. What would be the best way to approach such tight angles?
- on the other hand, how do you get a nice fillet on very wide angles, like around the middle of the canoe?
Anyway, I'm going to flip it tomorrow, sand the outside and tape it.
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CH14 built, something with a sail next

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Cracker Larry
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Re: CH14 underway

Post by Cracker Larry » Sat Aug 13, 2016 2:22 pm

- doing the inside of the bow annex stern is very difficult, as it is very narrow. What would be the best way to approach such tight angles?
I think I would stand the boat on one end and make a wood flour epoxy mix just loose enough to pour, and pour it in. Let it cure, then flip and repeat. Let gravity do the work.
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Jeff
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Re: CH14 underway

Post by Jeff » Sat Aug 13, 2016 3:25 pm

Good recommendation CR!! Jeff

BrianC
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Re: CH14 underway

Post by BrianC » Sat Aug 13, 2016 4:51 pm

MartinV wrote:...how do you get a nice fillet on very wide angles, like around the middle of the canoe?
As was suggested on another thread, an old CD work great when you need a large radius fillet.
Brian

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MartinV
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Re: CH14 underway

Post by MartinV » Sun Aug 14, 2016 5:30 am

Will an mp3 work as well?
CH14 built, something with a sail next

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