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Forum topic by Gary Glaze posted 02-22-2011 03:30 PM 3161 views 1 time favorited 15 replies Add to Favorites Watch
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Gary Glaze

10 posts in 1526 days


02-22-2011 03:30 PM

Has anyone built the dehumidifier kiln that was written up in the American Woodworker in 2002? I have a mill with a bunch of lumber that is sitting at 12-20%. I need to get it down to furniture grade. If you have a better smaller kiln, I would be pleased to hear about it. Thanks


15 replies so far

View cornflake's profile

cornflake

36 posts in 1349 days


#1 posted 02-22-2011 04:08 PM

i recommend building a solar kiln its cheaper to build. however it takes longer to dry wood but it is more forgive in terms of trying to fast its very difficult to case harden the wood with it

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reberly

169 posts in 1347 days


#2 posted 02-22-2011 04:10 PM

Hi Gary,
I just built another dh kiln using Daren Nelson's. I had to hybridize my last one to include some solar aspects as well. His plans are well worth it.
Rich
Eberlywoods.com

-- "Big Timber is our Legacy" , http://eberlywoods.com

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cornflake

36 posts in 1349 days


#3 posted 02-22-2011 04:20 PM

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peterrum

135 posts in 1337 days


#4 posted 02-22-2011 07:02 PM

I modelled a 10’x5’ solar kiln on Sketchup and entered it into their 3D database. Just search Solar Kiln if you are interested. I haven’t built it yet but plan to do so this summer. I expect that it will hold a few hundred board feet of lumber.

-- Carpe Diem

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Scsmith42

125 posts in 1335 days


#5 posted 02-23-2011 05:23 AM

Gary, I have a Nyle DH kiln; were the plans in AWW based upon a home made unit or a commercial one such as the Nyle?

-- Scott, North Carolina, www.quartersawnoak.com

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Gary Glaze

10 posts in 1526 days


#6 posted 02-23-2011 03:11 PM

Thanks for the responses. I would like to build a solar kiln but I don’t have a good place on my property to put one….....I could not get enough sun and I live at 49 degrees north.

The AW unit was similiiar to Darrens. It ran on a small home dehumidifier unit and would dry about 300 feet. I am nervous about the safety aspect of putting one in my shop. For those of you that use Darrens, do you have it in your shop or outside?

Scsmith42, what do you think of your Nyle unit? I did some reading on them but did not find any prices.

Gary

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gagewestern

301 posts in 2009 days


#7 posted 02-23-2011 03:18 PM

i built one useing daren’s plan it is in the shop and works very well

-- gagewestern

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Gary Glaze

10 posts in 1526 days


#8 posted 02-23-2011 03:28 PM

Do you plug your dehumidifier into a power strip. I am nervous about leaving a home unit running continuously on the light plug in cord that is supplied. Any thoughts.

Gary

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Daren Nelson

767 posts in 2564 days


#9 posted 02-23-2011 04:31 PM

I might as well chime in, my name is getting thrown around a lot. Gary you seem concerned about safety, I’m with you all the way, I’m the biggest worry wart you will ever meet. My personal kiln sits (and has for 6 years) in my sawmill shed with all my inventory/my sawmill/my tractor…$$$. Not to give anyone more concern, but if you think about one of these home d/h units running continuously in say your basement (and they are designed to do just that) when your family is asleep upstairs, that would be much scarier IMO if one failed (I assume we are talking fire here). I do suggest a power strip, if nothing else for ease of use, and it is an added safety measure.

-- http://nelsonwoodworks.biz/

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dbray45

2509 posts in 1435 days


#10 posted 02-23-2011 04:39 PM

I keep a dehumidifier in my shop all summer. Whenever I bring new wood in, the water that I remove from the dehumidifier will more than double for about 2 weeks – and the new wood moves, warps, cups and sometimes will straighten back out. I keep the unit on a dedicated circuit sized to the unit and is in the middle of the floor away from everything.

-- David in Damascus, MD

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Gary Glaze

10 posts in 1526 days


#11 posted 02-24-2011 05:20 AM

Thanks for the input gentlemen. I am trying to get as much infromation as possible before I build the kiln. By the way Daren, if you ckeck your inbox, you will see that I did buy your plans also. I llike what I got. Thanks.

Gary

View ohiogary's profile

ohiogary

15 posts in 1308 days


#12 posted 02-24-2011 05:33 AM

I built a solar kiln 5 years ago and it really does the job, it will hold around 600 bdft of lumber, i generally air dry for 6 months prior to going into the kiln. It usually takes around 30 days to bring it down to 7% mc during the months of June, July, Aug, Sept. I havent had any problems with dry lumber other than drying red elm, the lumber twisted and did all sorts of things, but what was usable had some very unusual grain patterns. cheap to operate.

-- Gary

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dbray45

2509 posts in 1435 days


#13 posted 02-24-2011 02:40 PM

If you are looking at putting in a real kiln you may want to check out these folks. http://www.ebacusa.com/

They make dehumidifiers for wood kilns that will bring the temp high enough to kill critters and dry the wood. They have different sizes based upon the size of kiln you are building and include the controls to monitor progress. It does not eliminate the requirement to air dry outside first.

-- David in Damascus, MD

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Scsmith42

125 posts in 1335 days


#14 posted 03-02-2011 03:36 AM

Gary, in answer to your question, I have been very pleased with my Nyle unit. I use the Woodmizer version of the L200, which is sized for up to 4000 bd ft of lumber. Make no mistake – this is a commercial grade DH kiln designed for continuous operation.

For a smaller volume, if I were you I’d go with Daren’s design. I’ve know him for several years via other forums and have a lot of respect for his knowledge and general horse sense.

-- Scott, North Carolina, www.quartersawnoak.com

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rep

95 posts in 1768 days


#15 posted 03-04-2011 11:32 PM

I have my DH kiln (bought Daren’s plan) in my shop – on a dedicated AFCI circuit. My shop is separate from the house.

-- rick

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