Stove Size Coal

Modern and vintage hand fired coal stove are similar to a wood stove and in some cases can burn either. They need to be regulated and fed by hand usually every 12 to 24 hours depending on your usage. They require no power to operate making them ideal for rural settings with long power outages.
bigchunk
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Stove/Furnace Make: harman
Stove/Furnace Model: sf250 magnafire
Location: upstate n.y.

Post Sun. Jan. 11, 2009 8:44 am

anyone using stove size these days. how is it burning in your unit? does it last well throughout the cold nights? could someone post a pic of a stove size piece and a nut size piece sitting next to eachother? thanks.

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channing
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Stove/Furnace Make: Harman
Stove/Furnace Model: Mark III
Location: Byfield MA

Post Sun. Jan. 11, 2009 3:54 pm

I didn't know they made anything else. works fine for me. Some pieces are 2" to 3" on there longest dimention. but most of the ones are smaller.
Harman Mark III 36' of 8" simson pipe with Baro damper burning stove coal

bigchunk
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Stove/Furnace Make: harman
Stove/Furnace Model: sf250 magnafire
Location: upstate n.y.

Post Sun. Jan. 11, 2009 5:22 pm

yeah stove sizes are bigger than nut. isnt that great. someone said they burn realy well especialy at night during the realy cold bitter nights. I heard mixing the two together.. stove and nut is called range coal. maybe cause it ranges in size. my guess is that the pieces are about as big as baseballs or tennis balls. a decent sized rock. not crushed up as small as the nut size. but not big enough to handle with two hands. gotta find some.. need to find some.... total coal freak.

rberq
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Posts: 5014
Joined: Mon. Apr. 16, 2007 9:34 pm
Hand Fed Coal Stove: DS Machine 1300 with hopper
Coal Size/Type: Blaschak Anthracite Nut
Other Heating: Oil hot water radiators (fuel oil); propane
Location: Central Maine

Post Sun. Jan. 11, 2009 5:36 pm

I tried a couple bags of stove coal. The pieces were about the size of a bar of soap. It didn't do especially well in my stove, but that doesn't mean your stove would be the same. As with the question of pea vs. nut size, every stove and chimney combination seems to be different. The only way you will know is to buy a few bags and try it in YOUR stove. Some people mix nut and pea, so maybe you will want to try a stove and nut mixture also.
Simple answers for simple minds.

bigchunk
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Posts: 131
Joined: Mon. Feb. 05, 2007 10:39 am
Stove/Furnace Make: harman
Stove/Furnace Model: sf250 magnafire
Location: upstate n.y.

Post Sun. Jan. 11, 2009 5:46 pm

hey thanks for the info. a bar of soap... ok I can start to get a pic. thats interesting. pea size works in my stove I tried it last year I burnt 80 lbs of it at the end of the season. just to see how the shaking would be with the small pieces. its all good. I like the nut size in my stove and most likely will like the stove size as well. he he. :P

TimV
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Posts: 312
Joined: Wed. Dec. 26, 2007 10:06 pm
Hand Fed Coal Stove: Older Ashley Cabinet ( pre US Stove gobble up)
Hand Fed Coal Furnace: Energy King 480 EK
Coal Size/Type: Warm weather smaller coal. Cold weather larger coal.
Other Heating: Oil Furnace Backup when repairs are needed
Stove/Furnace Make: Energy King Furnace
Stove/Furnace Model: 480 EK
Location: Glens Falls NY Area

Post Sun. Jan. 11, 2009 5:51 pm

I am mixing Stove and Nut when it gets cold like the upcoming forecasted Arctic Blast
I find the Stove lets the coal burn a lot hotter if I add more air to the mix.
I also find if I just add Stove it takes off pretty fast and burns really well.
I have a large firebox.
One observation I did make was I still had large pieces of Stove burning nicely 2 or 3 days latter when I would stir up and agitate my fire from top to bottom to make the fine ashes drop so I could get rid of them.
As to the size of stove coal just go look into a bag of regular potatoes and thats about the size of them. Some bigger some a little smaller.

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coal berner
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Stoker Coal Boiler: 1986 Electric Furnace Man 520 DF
Stove/Furnace Make: Electric Furnace Man
Stove/Furnace Model: DF520
Location: Pottsville PA. Schuylkill County PA. The Hart Of Anthracite Coal Country.

Post Sun. Jan. 11, 2009 6:13 pm

bigchunk wrote:yeah stove sizes are bigger than nut. isnt that great. someone said they burn realy well especialy at night during the realy cold bitter nights. I heard mixing the two together.. stove and nut is called range coal. maybe cause it ranges in size. my guess is that the pieces are about as big as baseballs or tennis balls. a decent sized rock. not crushed up as small as the nut size. but not big enough to handle with two hands. gotta find some.. need to find some.... total coal freak.
Pea & NUt Mixes together is called Range coal in some Parts of the Coal Country area.Here are the standard size
Anthracite coal sizes . Note any size over the stove size is called Egg size and any size over that would be canal coal and then lump coal .

http://www.readinganthracite.com/mining_sizes.html

**Broken Link(s) Removed**
J.C.

Heating house & water with a 1986 electric furnace man DF520 using buckwheat Anthracite coal

Mountainman37
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Joined: Sat. Jan. 10, 2009 8:44 am
Stove/Furnace Make: Hitzer
Stove/Furnace Model: 55 U.L.
Location: Central New Hampshire

Post Mon. Jan. 12, 2009 8:33 am

I will chime in here that my stove is "rated" for nut size coal, but I've got a good supply of free salvaged coal which I screen to remove the fines...which I discard. The majority is what you guys refer to as coal size as it is the size of medium potatoes, 3-4" long in some cases.

I'm still real new at burning any coal, but I will let you know after I get some burn time under my belt!

Mountainman37

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gitrdonecoal
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Hot Air Coal Stoker Stove: Keystoker 90
Stove/Furnace Make: USSC
Stove/Furnace Model: Hotblast 1557
Location: Elba, NY

Post Mon. Jan. 12, 2009 9:29 am

got a USSC hotblast. the firebox size is roughly 12 by 26 inches. I ve been burning the stove size cause as mentioned before, it burns a lot hotter, but you will go through a tad bit more stove than nut or pea. my furnace calls for nut, but burns the stove great. when its warmer I ll burn the nut size, and if it gets really warm in my house and I cant crank the air intake dowm anymore I ll just throw on a few scoops of nut to dampen it down that way. when it gets too warm to burn coal altogether I can burn wood in my furnace too :D
coal, the future of america

bigchunk
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Posts: 131
Joined: Mon. Feb. 05, 2007 10:39 am
Stove/Furnace Make: harman
Stove/Furnace Model: sf250 magnafire
Location: upstate n.y.

Post Mon. Jan. 12, 2009 10:04 am

i hear lots of good things about those hotblast furnaces.

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gitrdonecoal
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Hot Air Coal Stoker Stove: Keystoker 90
Stove/Furnace Make: USSC
Stove/Furnace Model: Hotblast 1557
Location: Elba, NY

Post Mon. Jan. 12, 2009 2:57 pm

ha ha, I don't know if you are being serious or joking with me. a lot of people have gotten very fustrated with these units. I did at first, but I think it was just getting to know how to burn coal and not so much the unit. I love the hotblast and it heats my house beautifully, 23 outside and 74 inside
coal, the future of america

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Cato
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Stove/Furnace Make: Harman Magnafire
Stove/Furnace Model: Harman I
Location: Bridgton, Maine

Post Mon. Jan. 12, 2009 3:38 pm

Stove size:

I have two tons of stove coal and 5 tons of nut. I generally burn nut but on colder days 'range' with a bottom layer of nut and top of stove. I find that the stove coal burns hotter and lasts just as long as the nut. I know people say it burns faster but I haven't noticed a difference in burn time. I have a Harman Mark I and when I shake down I add a layer of nut and then add stove . By the time the stove coal reaches the bottom to be shaked out it has pretty well burned up. Don't start with stove coal and then add nut because when you go to shake down the ash the bigger stove coal may not 'break up' because of not being burned enough. The bottom layer of nut makes for easier shake downs.
Attachments
dcp_2242.jpg
hog of stove and nut
dcp_2243.jpg
'range' bottm nut-top stove
dcp_2239.jpg
all nut bed

Dann757
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Post Mon. Jan. 12, 2009 4:42 pm

I'm still learning. I got all sizes in my basement coal acquisitions. I love it, all in my greedy little hands....Blue coal, red coal, peacock coal. I like to burn the big chunks, but I am going to have to burn some of the smaller stuff as time goes on. Just the act of getting the coal and then shovelling it into the bin seems to make the big chunks end up on top of the pile. A significant percentage of fines in with it all. The big chunks seem to allow more air up through and can really get a hot fire going, especially a fresh fire. I have burned some of the finer stuff, it seems to temper the fire and not accellerate into a too hot fire as much. Amazing all the variables that come into play. I left my ash door open too long the other night and realized it when I smelled the adhesive burning off the black pipe where the bar code labels were! I think it was Fred that said you better start a kitchen timer if you're going to leave your ash door open! My stack temp was under 300* so I caught it in time; and it gave me a chance to see how to dampen the fire, I closed my ash door spinner all the way for a few minutes and the fire calmed down nicely.
Attachments
Picture 054.jpg
Quarters for reference, and 12" tile

rberq
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Posts: 5014
Joined: Mon. Apr. 16, 2007 9:34 pm
Hand Fed Coal Stove: DS Machine 1300 with hopper
Coal Size/Type: Blaschak Anthracite Nut
Other Heating: Oil hot water radiators (fuel oil); propane
Location: Central Maine

Post Mon. Jan. 12, 2009 6:42 pm

Cato wrote:I have a Harman Mark I and when I shake down I add a layer of nut and then add stove
Good pictures, guys. Cato, I also have a Harman Mk I so I am going to buy a few bags of stove size and add it on top of the nut as you suggest. We have had quite a stretch of cold here lately, so this will be a good time to test the hotter fires.
Simple answers for simple minds.

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coal berner
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Posts: 3591
Joined: Tue. Jan. 09, 2007 12:44 am
Stoker Coal Boiler: 1986 Electric Furnace Man 520 DF
Stove/Furnace Make: Electric Furnace Man
Stove/Furnace Model: DF520
Location: Pottsville PA. Schuylkill County PA. The Hart Of Anthracite Coal Country.

Post Mon. Jan. 12, 2009 7:05 pm

Cato wrote:Stove size:

I have two tons of stove coal and 5 tons of nut. I generally burn nut but on colder days 'range' with a bottom layer of nut and top of stove. I find that the stove coal burns hotter and lasts just as long as the nut. I know people say it burns faster but I haven't noticed a difference in burn time. I have a Harman Mark I and when I shake down I add a layer of nut and then add stove . By the time the stove coal reaches the bottom to be shaked out it has pretty well burned up. Don't start with stove coal and then add nut because when you go to shake down the ash the bigger stove coal may not 'break up' because of not being burned enough. The bottom layer of nut makes for easier shake downs.
If you would burn staight Stove Then burn Straight Nut you will feel and see the differents in the burn time .Stove will burn hotter but faster. Nut will burn slower but not with the same amount of heat as stove has . You are putting Nut first then you are putting on stove. The nut is slowing down the burn of the stove Just like when you burn Pea & then Put Nut
coal on. The pea will slow down the nut from burning fast . Anytime you put on the smaller coal first it will slow down the bigger coal from burning up faster then if you burned it straight. Also when you put nut on first and then put pea on to slowdown and hold the fire overnight . that is called dampening the fire . Goes back to when everyone used coal fired kitchen stove and potbelly stove heat troller . you would dampen the fire down by ptting on smaller size coal or coal ashes over the top of the fire only a little ash that would slowdown the fire untill morning came when you would shake and add coal .
J.C.

Heating house & water with a 1986 electric furnace man DF520 using buckwheat Anthracite coal

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