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Bending/Drying green "switches" to hold their shape

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Forum topic by Glorfindel posted 08-09-2017 07:38 PM 986 views 0 times favorited 6 replies Add to Favorites Watch
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Glorfindel

4 posts in 496 days


08-09-2017 07:38 PM

Hello,
I am new to the forum and have a perhaps ridiculous question: I am bending small saplings and (mostly maple) switches into U and circular shapes and tying them with string. They’re not much bigger than hot dog roasting sticks. I’d like them to hold these shapes when I untie them without the use of fasteners, glues etc. They are small enough (1” diameter) that I can fit them into an electric kiln I use for ceramics. My question is, should i put them into the kiln at a specific temperature (it’s programmable) and hold at that temperature for a specific amount of time? My understanding is that if I dry them out, they’ll hold their shapes, but drying too fast and/or too hot will make matters worse.

Any advice on time and temperature would be greatly appreciated.
Thanks for your time,
Matt


6 replies so far

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Loren

10477 posts in 3853 days


#1 posted 08-09-2017 08:06 PM

Wood dries best at low temperatures
I think. Your kiln may not go that
low. All you want to do is evaporate
the water in the wood. I’ve dried wood
in a toaster over to shrink it at around
140 degrees I think. You can also build
a “shop oven” by insulating a box with
foil and putting a light bulb in there to
generate heat.

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Glorfindel

4 posts in 496 days


#2 posted 08-09-2017 08:30 PM

Thanks,
My kiln can hold at that low of a temperature. I’m going to try 140 F for 48 hours and see how they feel. Any idea of how long I should keep them in? Again, they’re roughly the size of hot dog roasting sticks, but bent into curved shapes.
Thanks for your time,
Matt

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Loren

10477 posts in 3853 days


#3 posted 08-09-2017 08:35 PM

The only way to be sure is to use a
moisture meter. 48 hours sounds
like a good starting point.

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Glorfindel

4 posts in 496 days


#4 posted 08-09-2017 08:44 PM

Thanks,
Any idea who might have a moisture meter on hand? I have a local kiln dried lumber place, maybe I’ll ask them.
Thanks very much for your input,
Matt

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Loren

10477 posts in 3853 days


#5 posted 08-09-2017 08:56 PM

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Glorfindel

4 posts in 496 days


#6 posted 08-10-2017 04:06 AM

Thanks for the link, I appreciate it! – Matt

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