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Laminated coaming


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Hi all..

I'm building Ravenswood and currently laminating the coaming.

I used the pattern to make the jig and all the scrap ply went into my wood fired oven a couple of days ago.

That leaves me with no dimension for the thickness of the lamination.

So, can anyone help please ?

I would guess that it is about an inch, but...

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Actually you just want it thick enough to be strong enough. That is still ambiguous isn't it?  But it really depends on the wood you're using.  I used maple and I made mine about 3/4" thick. I never measured it honestly. I would try it and if it felt stiff enough I stopped.

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Thanks to you both for your help - I used Queensland Silver Ash and pulled it off the jig at 1/2" to see, and decided that it is likely strong enough.

Maybe I can pick your brains a bit more..

Does the coaming sit on the centre stringer at the rear, and the two intermediate ones at the front ? 

Do I lash it on or is it retained by the cover when its stitched on ?

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Does the coaming sit on the centre stringer at the rear, and the two intermediate ones at the front ? 

 

 

Yes.

 

Do I lash it on or is it retained by the cover when its stitched on ?

 

 

Just stitch it in place. You might want to lash it it place long enough to get started, but the stitching on the skin is all that holds it in place.

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When I portage my Ravenswood it gets carried upside down; the coaming rests on my shoulders. As I walk, the coaming will slightly flex with each step. It causes no concern, and this I think puts the most stress on the coaming of any activity I do. I made my laminated coaming out of oak to the same demensions as the plans called for.

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