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Thread: Wood Selection in USA for a GIS
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2nd February 2010, 02:50 PM #61SENIOR MEMBER
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After my touting the virtues of Cypress, I was ripping out a 2x6 that looked OK and eventually got chine logs that looked like the attached picture. I had to edge set it quite a bit to get it to lay fair along the plank edge. Not ideal, felt like chucking it and going to get new wood, but decided to go for it in the name of time. It does not seem to be screwing things up. I used cypress a couple weeks ago to make rails for two flat bottomed canoes, and it was very nice. So, for now on I stick with Spruce and other predictable woods!
Cheers,
Clint
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2nd February 2010 02:50 PM # ADSGoogle Adsense Advertisement
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2nd February 2010, 07:42 PM #62
A classic example of internal stresses being released (or trying to). On small dimension stock, you can usually force your way around it. On larger size sticks, it'll you off.
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3rd February 2010, 03:34 AM #63Senior Member
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Coincidentally I am experimenting with some Cypress. I had almost resigned myself to scarfing and laminating the yard from shorter stock after a failed local search to find nice 12' Douglas Fir. Then I stumbled upon some very nice looking Cypress. So I am building the yard out of it to see what happens. The stuff is inexpensive enough to play with. So far the 2"x2" has remained straight after ripping in two reversing the pieces and gluing back together. I'm adding a couple of mm to the diameter to compensate for the slightly lower strength wood.
Simon
My building and messing about blog:
http://planingaround.blogspot.com/
The folks I sail with:
West Coast Trailer Sailing Squadron
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4th February 2010, 01:15 AM #64SENIOR MEMBER
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That is good news, Simon. You'll probably be ok...keep it well sealed in epoxy so that the moisture flux isn't so much, that will help too. Normally, I wouldn't seal spars in epoxy. Here I would to keep moisture from making the wood move.
With something like chinelogs where you can spring it a little into shape and glue it down, it is okay, but you want that yard to stay dead straight from the get go.
Cheers,
Clint
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16th February 2010, 02:23 PM #65SENIOR MEMBER
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This piece of doug fit literally was so full of internal stresses and checking that it blew up in my hands when I flexed it about 1mm!
So DF can be a pain too!
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18th February 2010, 02:38 AM #66
This is what happened to my DF port chinelog several weeks ago. 1x4 ripped in two to be scarfed, both pieces failed almost immediately.
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18th February 2010, 10:59 AM #67SENIOR MEMBER
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Yup, there it is...that DF is kiln dried and when it dries that fast you get all the internal checking. When you rip it WAMMO!
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