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air drying time?


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does anybody know how to build a small kiln that would dry in 2-3 days?

Cheers!

I guess it's practically impossible, ie. it's possible to bring the moisture content (what are we talking abt. for start???) to 6-7% (which should be where we have no more "free" moisture in wood, only "molecular" moisture. Sorry, my English is probably not technically correct at all). There are around vacuum kilns with very high temp. (I've even heard of centrifugal eee... kilning) which can "cook" large quantities of timber from unseasoned to 16-18% in a few days, but that's used for low quality constructional softwood only. The problem is that when a piece of timber is dried too quickly it will dry unevenly and twist and "cup" etc. and most probably develop end-shakes. Not too nice if your precious piece of timber has 10-20 cm splits at both ends. They even submerge the ends in hot wax before kilning to slow down moisture evaporating so that the possibility that end-shakes occur is smaller.

(Not that I would really know s**t abt. correct kilning but I'm working in a company producing hardwood furniture details so we have our own kilns specially built for slow and controlled hardwood kilning + an learned operator).

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There was an article in Woodworkers Journal magazine about a year ago showing how to build a personal drying kiln from a household dehumidifier and heat lamps. The kiln could dry a couple hundred board feet in a couple weeks to a month depending on moisture content desired. I'll look for it tonight and if I find it I'll post the pertinent information

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Your best bet is to find someone who will run it through a good kiln for you, they shouldn't charge you too much. In fact, a friend of mine found someone who dry kiln the swamp ash we got for nothing. We just had to wait till he ran some of his wood through and he put it in there also. That's what I'd do... Get the phone out and make some contacts..

Matt

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so buying fresh-cut (within 2 months of cut down) lumber would be a bad idea. alright. that sucks. there goes my free stuff. i'm not patient enough to air dry the damn bastard, and i have no money to build the guitar much less a kiln. arr...

i think i might try the oven.

for a month or three.

maybe seven.

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