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Woodturning (rec.crafts.woodturning) To discuss tools, techniques, styles, materials, shows and competitions, education and educational materials related to woodturning. All skill levels are welcome, from art turners to production turners, beginners to masters. |
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How dry is dry?
First, I don't own a moisture meter (haven't justified the purchase
yet). I was wandering, if my house is mainatained at 40% humidity, and my garage is at from 50-60% humidity, how do I know when my bowls are dry enough to finish? If I finish the bowls that have reached equilibrium in my garage, they warp when I take them into the house. I recently converted a refrigerator into a kiln and I'm measuring the humidity in the refrigerator to try to establish a point at which I think the bowls are dry. If I dry them to 40% humidity, shouldn't that stop most of the movement I get when I take them into the house? The kiln appears to be working well. No cracks. Humidity has dropped from 85% to 70% since March 10 (this might be a little fast). I'm using light bulbs on a thermostat to control the heat. Humidity is being controlled via vents in the refrigerator (still learning how to adjust these). I've tried to search the web for some information about how long, how hot, how much ventilation, etc. I'm finding a mixed bag of information (most are dealing with large commercial type kilns). Any information you might provide would be appreciated. Thanks, JD |
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