I have got to learn to read better lol
That doesn't seem too high to me. Plus, the lower section is single wall, so that 300 is....300.I've been burning the stove at the lower range of 'safe' at about 450f (or less) on the top and 300f (or less) 18" above the stove on the flue pipe.
Just to verify, was the wood resplit first so that the test could be done on the freshly split face of wood?I just got a moisture meter today from Amazon and my boiler-room dried spruce tests at 14%. Other seasoned wood in my workshop close to my Earthstove tests at 15%
Ok, an update...
First, I feel a little like "The Boy Who Cried Wolf"... The stack fire that I may have had, may not have been... After talking a little time off for the holidays and waiting for better weather, I was able to brush out the chimney/stack. I didn't get very much material out of stove, which was a little surprising.
Feeling somewhat confident that I was in the clear, I built another fire in the stove on Monday. Interesting enough, I had another 'stack fire' in the upper level of the stack, nearly the same place as before... I can put my hand on the double-wall stack below and above the location, but at that level, it's HOT!!
With all this evidence in hand, my theory is that I'm getting secondary combustion at this particular location inside the stack. That sounds totally absurd, but it seems plausible... I'm still not getting good secondary combustion in the burn chamber. I still need to get the fire hotter and keep the secondaries going.
I am burning VERY dry wood. I measured 11% from split splits that have been sitting in the boiler room for the last few weeks.
Am I crazy, or is this possible?
Beautiful place you have there. Man, you are living the dream, getting a woman to move up there to Kodiak with you. Also, sounds like you have a very well insulated house as warm as you are getting it, I'm jealous of that. Now if you can just not burn the place down! Good luck to you figuring this out, it would be a shame not to be able to heat with your local resource. I don't have anything to add, many of the resident sages have already weighed in, just admiring your sitiation. Any chance you could post some additional pictures of your place and views around your place?
I honestly dont know that that would be possible without some air being introduced at that point. But regardless it would still be considered a chimney fire because you would at that point have flames in the chimney. It would still be dangerous and could easily result in over heating of the pipe at that point. And as far as not having much material in the pipe after your fire that is pretty common.With all this evidence in hand, my theory is that I'm getting secondary combustion at this particular location inside the stack. That sounds totally absurd, but it seems plausible...
It would still be a chimney fire regardless. And if your stack temps are high enough to facilitate secondary combustion you have problems anyway.I'd like to change the title of the thread from "Stack Fire #4" to "Secondary Burn MIA".
Nope not rare at all. But if you burn good wood correctly and have a good setup the risk of a chimney fire is pretty low and the risk of that chimney fire causing a house fire is very very low..I was under the impression chimney fires were super rare.
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