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Old 27-01-2010, 17:26   #1
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'Oh Joy' Restoration - 01/27/10

Over the past couple of weeks, I've been working on fabrication of the clamp to replace the rotted section next to the chainplates which prompted this tear down. I made a new clamp using three pieces laminated together with MAS epoxy and then planed and shaped.



Then, using the bandsaw, I set the notches.



and



I later cut them out using the multi tool. We then did a test fit.



Today, I mixed thickened epoxy (using Black Locust sawdust) and we set the clamp in place.

Aft joint, notice the clamp shim to keep the clamp from sticking and to get even pressure?



Aft lower chainplate in it's slot.



Forward lower.



Looking forward from inboard.



Looking aft from inboard.



Forward joint (not quite as tight as aft but close enough. Notice the height mismatch? The clamp thins forward so I'll hand plane it down to match.



A look at the upper chainplate in it's notch from outboard.



Outboard looking forward.



I'll let it cure and then plane and fill as needed. I'm thinking of running a couple of bolts down through the center of the joints for insurance. Once I'm done with this, we can go forward the the ribs starting aft.
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Old 27-01-2010, 18:39   #2
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Charlie,
Just a quick suggestion about photo #5. An age old trick to use when you don't want pieces to stick together (the shim to the hull clamp) just stick a piece of wax paper between the two surfaces. Works every time. I keep rolls of it around the shop and even band saw a full roll into smaller sections to get different widths of wax paper tape.
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Old 27-01-2010, 19:09   #3
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Yeah, I've heard that one but didn't have any. I'll have to steal some of the wife's....
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Old 27-01-2010, 20:42   #4
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Charlie,

You planning on changing those chainplates, they look pretty far gone.
Just my .02 cents.
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Old 27-01-2010, 20:47   #5
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"You planning on changing those chainplates, they look pretty far gone.
Just my .02 cents."

I just thought they werer dirty. Your work is so clean and then those dirty chainplates.... mine looked the same by the way.
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Old 27-01-2010, 21:13   #6
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The one in the top pic looks pretty clean.
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Old 28-01-2010, 08:47   #7
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I'll have them magnifluxed and then clean 'em up if they're good. Replaced otherwise.
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