question on moisture content in unfinished bowl - Woodworking Talk - Woodworkers Forum
 
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post #1 of 5 Old 02-20-2012, 12:15 AM Thread Starter
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question on moisture content in unfinished bowl

I was messing around when I had a chance this weekend on the lathe. Its my second attempt on the lathe and I noticed that once I got down into hollowing it out that it seemed like the moisture content had gone up from where it was when I started(or so I thought). I figured I'd leave it a little thicker than I wanted hoping it wont twist/crack...ect.

I quit hollowing it out once I noticed and was wondering if storing in paper bag will do it to wick the moisture out, opening it to breathe of coarse? Should this be done inside the house or out in garage, where its cold still?

Heres a quick pick I took after taking off the lathe...its Walnut/MyrtleWood
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post #2 of 5 Old 02-20-2012, 06:06 PM
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hi i normal put mine in paper bags and live them in the house leave some shavings in the bag two when i have big turnings with a lot of moister in it i put them in plastic bags and every couple of days take them out turn the bags inside out keep doing this till the bag gets dry

when you say moister in the wood how much is there have you got a meter reader
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post #3 of 5 Old 02-20-2012, 07:09 PM
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If the bowl is not dry it needs to dry slowly. Putting it in a paper sack will do that. It will not stop warping and neither will leaving it thick. Wood will move when it dries. You can turn it thin and let it move. If you leave it thick many turners do what we call twice turned. You leave a bowl thick enough to allow a second turning after it dries and warps. This is usually 10% of the total size. A ball park size is 1" for a 12" bowl. It takes about 5 months or longer to dry if it's freshly cut and roughed out. You can tell if a bowl is dry by weighing it. When it stops losing weight it's dry.
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post #4 of 5 Old 02-20-2012, 09:32 PM Thread Starter
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It has around 13% on my moisture reader, guess I'll just finish it and see what happens and learn from it.
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post #5 of 5 Old 02-20-2012, 09:46 PM
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13% is almost as dryas it gets in my area. We usually say 8 to 12% depending on the time of year and type of heat or air your using. I would just leave it alone.
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