About 12Hrs Per 40lb Bucket O' Coal

 
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Pancho
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Post by Pancho » Sun. Nov. 16, 2014 5:57 pm

Well.......now I feel like a complete dolt. I've been dumping bags in my buckets and measuring consumption by approximating (I don't have a scale). I will say, I just went and opened a fresh bag and filled my bucket and there isn't much left in the bag.....how much exactly, I don't know.

So maybe I'm a worry wart newbie coal burner and I am not far from where I should be on consumption?.

I had to leave for a few hours earlier and I came home to 450 on the barrel and 170 on the stack. That's with the MPD as shut as I can get it, the check damper 100% open and both primaries roughly just shy of 1/4" open.

 
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Post by Pancho » Sun. Nov. 16, 2014 6:00 pm

Lightning wrote:Oh ok.. that's better :)
I missed this earlier. My bad.

Here's the schedule.

9:00pm I fill it up to the top of the fire brick. Shake it, take the ashes out. Set it and let it run all night.

Roughly 9:00am the wife pokes the coal bed, tops it off, shakes it and leaves it alone until I get home.

9:00pm....start all over again.

 
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Post by Pancho » Sun. Nov. 16, 2014 6:05 pm

KingCoal wrote:
if that's the 'bucket' your using you are burning much more like 24 #'s per 12 hrs. and, since you say that much just brings it back to the top I can assure you that you have a good many more hours of burning left at that point.

there are some questions left though. is that one of those buckets before you poke the fire to drop the bridge and shake the grates or after.
After.
right now it looks to me like you are burning 2 #'s per hr. which at 500* is pretty reasonable. when you find out ho wmuch draft you are actually working against and manage to tame it ( there's no reason that stove won't burn fine in base mode at -.02 / -.03 ) you will be able to get that 500* much easier, your stack will be lower AND run longer at that temp. on the same amount of coal.
I guess I am chasing windmills without knowing how much draft I am dealing with. Hell, I barely know how much coal I am dealing with. :oops:
your stove is set up like mine. automatic main secondaries.
i agree with opening your door shutter for more secondary during refuel and initial burning of high gas load but after that i'd close it and trust the stove to balance the secondaries on it's own
. we discussed this alot here about my stove. quite counter intuitive but it works, according to the burn rate and draft the stove draws more or less secondary all by itself.

steve
Well at least I have one thing etched in stone. Cripes. ;)


 
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Post by Merc300d » Sun. Nov. 16, 2014 6:06 pm

I've noticed that you run the stove with the check damper wide open. This might seem like a dumb question but I thought it was used to cut draft to the stove. What is it doing if not that ?

 
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Post by Pancho » Sun. Nov. 16, 2014 6:08 pm

Sunny Boy wrote:Yup, those new buckets sold in stove shops and Lowes, Home Depot, and Hardware Stores, are smaller then the antique buckets typically listed as #16 or #17 size.

I use both a #16 and a #17 and when full they hold about 30 pounds of nut coal - measured on a rather accurate scale. So, I'd agree with Steve that bucket shown is closer to 24-25 pounds of coal.

And for the same bucket filled with Stove coal, figure roughly 10% less then nut coal - as measured when I was comparing the same volume during the stove magazine size tests.

FWI, a five gallon bucket holds 40 pounds of nut coal.

Paul
Boy, it just doesn't seem like there is even 10lbs left in the bag after filling the bucket but I don't have a scale.....so I'll take your word(s) for it.

That's probably the easiest resolution to high coal usage ever on this board. :D

Thanks guys.

 
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Post by Pancho » Sun. Nov. 16, 2014 6:10 pm

Merc300d wrote:I've noticed that you run the stove with the check damper wide open. This might seem like a dumb question but I thought it was used to cut draft to the stove. What is it doing if not that ?
It is cutting the draft to the stove.....but my chimney drafts really really good (even at these lower temps). It's still not enough apparently.
Until I get a manno, I won't really know what I have.


 
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Post by Lightning » Sun. Nov. 16, 2014 6:15 pm

Yeah no problem partner lol. Us nit pickers (me) use luggage scales and such to weigh out coal to tenths of a pound. Not to mention, precision draft gauges and digital probe thermometers.

Now that we've scrutinized the measurement a little more closely and taken into account the space you are heating, your coal usage seems a lot more reasonable.. :D

 
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Post by Sunny Boy » Sun. Nov. 16, 2014 6:27 pm

"................So maybe I'm a worry wart newbie coal burner and I am not far from where I should be on consumption?....... "

:D We've all been there !

As I've said before, there isn't anyone born knowing this stuff, .... except maybe for William. :D

Paul

 
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Post by DennisH » Sun. Nov. 16, 2014 6:41 pm

On really cold days, when it's below zero, I'll use 60-80# per day. Right now, with daytime temps in the 20s and night temps in the single digits, I'm using 40-60#. I also have to shovel in my coal by hand, so it's a function of what I think the day will produce sun-wise, since we have some great southern exposure.

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