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Thread: sawdust burning stove
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9th February 2009, 08:18 AM #31
Thanks steve
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9th February 2009 08:18 AM # ADSGoogle Adsense Advertisement
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9th February 2009, 11:12 PM #32
Good on ya
Thanks Steve,
I will be building one before the Winter sets in this year. Great Book er posting. I am sure a lot of people will be building a sawdust heater.
MikeSuccess is getting what you want.
Happiness is wanting what you get. Dale Carnegie
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17th February 2009, 02:57 PM #33Senior Member
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Sawdust Burner
Steve,
Great photos and description. Just seeking some clarification regarding the location of the damper and blast gate - after the exit from the burner does the flue go through a blast gate and then a damper before it gets to the Magic Heater? The photos don't show this area clearly.
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17th February 2009, 04:48 PM #34
Sorry
On the back of the burner there is two six inch male flanges. The top has a blast gate so you can close it off completely when the saw dust is going good. The damper is located just below the magic heater. I drilled the seam for installing it. The bottom has no damper or gate. Hope this helps.
Steve
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21st February 2009, 02:52 PM #35
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21st February 2009, 04:19 PM #36
mmmmmm that looks warm as toast.
Is it safe to lift the lid like that at any time thru the burn? i thought i read somewhere not to lift the lid while burning, danger of flare up.
Does she throw a good bit of heat?
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23rd February 2009, 06:57 PM #37
Correct!!!
That is right. Don't try that at home should be the caption under the last pic I posted. To be honest and not to promote it, I do open it quite often. While burning sawdust I have never had a fireball or flare up. But, I have had a flare up (fireball) hit me in the face and arms while burning firewood. I'll try to keep this short.
While steadily putting down the suds and doing polyeurethane on my son's dresser with no common sense to be found, I checked the fire to see if it needed more because the magic heater fan quit. Sure enough when I opened the lid I saw the smoke suck in and a fireball shoot out, sobering me up rather quickly. I remember hearing the garage door rattle when the flame shot out. Makes ya want to make one huh? I wish I had the fireball on film because it had to be impressive. So anyway I didn't catch myself on fire and no windows were blown out thankfully. I did notice my hairs were singed on both arms. After retiring for the night I woke up the next morning, looked in the mirror, and noticed I had a white flaky goatee on my chin also.
If one who is reading my post's decides to build one please learn from my stupidity and read the warning labels on the can. Also don't mix Suds with Poly and fire.
All fireballs aside, I needed to know why the backdraft occured. When inspecting the inner barrel I found the air inlet hole in the bottom was plugged with ashes and coals killing the air flow. This led be to believe that the hot fire and steel needed to breath making a vacuum inside. Me opening the lid was like pouring gas on it not to mention the polyeurethane in the air.
As seen in a prior post, I have made a snorkel type device to ensure proper airflow to the inner barrel that doesn't plug up while burning solids. I have no more flareups and do sincerely recommend making one if you want to burn things other than sawdust. I don't do finish work of any kind in there anymore either. Keep an extinguisher on hand too.
Okay finally, Does it put out nice heat? Yes. I am very impressed by it. I start at about 20 deg F. and within an hour my shop is around 60. That's where I like to keep it. It's a nice working temp. for glue ups. I can boil water off the lid in a timely manner too. Hope you guys don't drive me into the ground too hard over that little story. I just think everyone should know as much as possible. Dog me but don't dog the burner because it wasn't even designed to burn solid fuels. Sawdust is by far the best fuel for this heater. Enjoy!
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16th December 2010, 04:40 AM #38
false floor
To create the false floor inside the 55 gallon barrel I simply took the existing lid after removing with a barrel opener (like a big can opener) I cut a 2-3 inch hole in the center and welded three 3/4"x3 inch pipe nipples arranged in a triangle around the outer edge and sunk it down into the barrel thus creating a table like false bottom. Just make sure you cut you ash pan opening below the false bottom and you should be fine. I've since converted mine to burn firewood in addition to sawdust. It's been three years using this setup. I love it!
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