fitting knees to thwarts and gunwhales

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fitting knees to thwarts and gunwhales

Postby rparkinson » Tue Jun 17, 2014 3:50 am

First post! Anybody out there care to advise on best practice for fastening knees to thwarts and gunwhales. I have read that these should only be screwed and not glued. Is this so thwarts can be removed? If that's the case I assume the that should likewise only glued to the riser.
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Re: fitting knees to thwarts and gunwhales

Postby Scott Mason » Tue Jun 17, 2014 12:06 pm

IO shows them being glued in his clinker plywood book. FWIW I glued mine in too. And I glued the thwarts in also.

But I know that Geoff Kerr has a different approach.

You wouldn't want to do it very often, but with a heat gun and a sharp putty knife and a great deal of patience you can remove any epoxy glued part.
Scott Mason
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Re: fitting knees to thwarts and gunwhales

Postby Garth » Tue Jun 17, 2014 6:14 pm

On my Ness Yawl my thwart and knees are all screwed in place. I can't remove my centerboard from above with the thwart in place and I want to be able to do that (not that I've needed to in years). Also, it makes it easier to take all the floorboards out and get at the bilge for spring cleaning/painting. I don't worry much about any loss of strength since my boat is decked and the hull seems strong as heck.

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