Steady Burn Thru Some Serious Cold

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.
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Lightning
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Posts: 8289
Joined: Wed. Nov. 16, 2011 9:51 am
Hand Fed Coal Furnace: Overmodified/Bored out Clayton 1537
Coal Size/Type: Anthracite/Awesome Size
Location: Olean, NY

Post Thu. Dec. 12, 2013 5:44 pm

I was quite proud of my furnace today. I tended her this morning at 2:30am it was 7 degrees outside. I put a pretty good sized heap of coal in and after it was burning good I set the primary air a bit higher than usual.

The high temp outside today was only 14 degrees. My wife was home making Christmas cookies. The main living room maintained 75 degrees with the rest of the house right close behind it.

On my way home I spotted the propane truck and I chuckled the rest of the way. "There he goes that SUCKER!! He won't be coming to my house!!" I yelled out loud.... :lol:

My furnace wasn't touched all day. Not even for a heat adjustment. I'm currently seeing this 15 hours later. She done good.... :D
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Carbon12
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Joined: Tue. Oct. 11, 2011 6:53 pm
Stoker Coal Boiler: Keystoker KA-6
Coal Size/Type: Rice/Anthracite
Other Heating: Heat Pump/Forced Hot Air Oil Furnace
Location: Harrisburg, PA

Post Thu. Dec. 12, 2013 7:09 pm

I love it when a plan comes together!
No matter where you go,......there you are.

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michaelanthony
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Joined: Sat. Nov. 22, 2008 10:42 pm
Hand Fed Coal Stove: Vigilant 2310, gold marc box stove, vogelzang pot belly coat rack
Baseburners & Antiques: Home Sparkle 12
Coal Size/Type: Coal Contractor's stove, a little Kimmels 'nut
Other Heating: Very cold FHA oil furnace
Location: millinocket,me.
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Post Thu. Dec. 12, 2013 8:08 pm

I hear yah brother, my neighbor gets oil about every other week, goes to the woods, cuts it brings it home in his pick up and takes it out splits it lugs it in the house, calls for more oil.....this guy is making me tired :lol: ...anyway the wife calls me today and says the house is cold :wtf: she was bustin' my balls, she had a friend over and they were taking a final ( college you freaks ) the house was in the 70's. It is -1* right now and I love my coal stoves!
never yell through a screen...you'll strain your voice.

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Lightning
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Posts: 8289
Joined: Wed. Nov. 16, 2011 9:51 am
Hand Fed Coal Furnace: Overmodified/Bored out Clayton 1537
Coal Size/Type: Anthracite/Awesome Size
Location: Olean, NY

Post Fri. Dec. 13, 2013 6:39 am

Yeah man!! Awesome! Thanks for sharing your story :D

Sunny Boy
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Hand Fed Coal Boiler: Anthracite Industrial, domestic hot water heater
Baseburners & Antiques: Glenwood range 208, # 6 base heater, 2 Modern Oak 118.
Coal Size/Type: Nuts !
Other Heating: Oil &electric plenum furnace
Location: Central NY

Post Fri. Dec. 13, 2013 7:43 am

Lookin' good Lee.

What size opening were your new secondary tubes at during that 15 hours ?

Paul
So many stoves - so few chimneys. I must be coal-stone crazy.

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Lightning
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Posts: 8289
Joined: Wed. Nov. 16, 2011 9:51 am
Hand Fed Coal Furnace: Overmodified/Bored out Clayton 1537
Coal Size/Type: Anthracite/Awesome Size
Location: Olean, NY

Post Fri. Dec. 13, 2013 9:07 am

Thank you Carbon 12 and Sunny Boy!

I've been using this one thru a majority of the burn cycle. I open them completely during initial burn off of a fresh load :D
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Sunny Boy
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Posts: 12586
Joined: Mon. Nov. 11, 2013 1:40 pm
Hand Fed Coal Boiler: Anthracite Industrial, domestic hot water heater
Baseburners & Antiques: Glenwood range 208, # 6 base heater, 2 Modern Oak 118.
Coal Size/Type: Nuts !
Other Heating: Oil &electric plenum furnace
Location: Central NY

Post Fri. Dec. 13, 2013 9:50 am

Ah ! The salt and pepper shaker setting ! :D

Paul
So many stoves - so few chimneys. I must be coal-stone crazy.

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Lightning
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Posts: 8289
Joined: Wed. Nov. 16, 2011 9:51 am
Hand Fed Coal Furnace: Overmodified/Bored out Clayton 1537
Coal Size/Type: Anthracite/Awesome Size
Location: Olean, NY

Post Fri. Dec. 13, 2013 10:39 am

Sunny Boy wrote:Ah ! The salt and pepper shaker setting ! :D

Paul
Yes sir that's exactly what I thought it looked like too!!! :lol:

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I'm On Fire
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Joined: Thu. Jun. 10, 2010 9:34 am
Hand Fed Coal Stove: DS Machines DS-1600 Hot Air Circulator
Location: Vernon, New Jersey

Post Fri. Dec. 13, 2013 10:49 am

Man, this season I've been having a hella of a time maintaining a steady even temp in the house. Lately with it being so cold I've been running the stove at 500+ degrees and it's only December. The past few seasons I've not gone above 450* at this rate I'm on track for 4 tons of nut. Woke up one morning and the house was 68* and that was after I managed to get the house to 78* before bed. Lost 10 friggin' degrees over night. My house is like living in a pipe on the top of a mountain with both ends open.

This...this is why I hate the winter. But, I'm still not going to buy oil. Won't need it. Just wish my house was better insulated.

coalcracker
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Posts: 146
Joined: Mon. Jan. 24, 2011 6:33 pm
Hand Fed Coal Boiler: Standard sealed hot water boiler, hand fed
Hand Fed Coal Stove: Harman Mark I Magnafire
Baseburners & Antiques: Lehigh Oak 18, Washington potbelly, Sears Roebuck parlor cabinet, PIttston 6 lid cook stove, vintage combo gas/coal cook stove 4 lid
Coal Size/Type: nut
Stove/Furnace Make: Harman
Stove/Furnace Model: Mark I Magnafire

Post Fri. Dec. 13, 2013 6:28 pm

Lightning wrote:I was quite proud of my furnace today. I tended her this morning at 2:30am it was 7 degrees outside. I put a pretty good sized heap of coal in and after it was burning good I set the primary air a bit higher than usual.

The high temp outside today was only 14 degrees. My wife was home making Christmas cookies. The main living room maintained 75 degrees with the rest of the house right close behind it.

On my way home I spotted the propane truck and I chuckled the rest of the way. "There he goes that SUCKER!! He won't be coming to my house!!" I yelled out loud.... :lol:

My furnace wasn't touched all day. Not even for a heat adjustment. I'm currently seeing this 15 hours later. She done good.... :D
{lol} yeh when I see the oil tanker pull into someone's house, I think the same thing myself "poor guy, hope they kiss him before they leave...."

glad to hear your stove is working well. Sounds like you have it dialed in like a finely tuned machine.

I noticed the last few days I had to open up the draft more on the Harman to 5/8 open, may be the low pressure area moving in, there's a snowstorm coming into the NE USA.
Coal stoves without fuel, are heavy, expensive decorations. Are there any coal mines in YOUR home state ? If you talk the talk, you have to walk the walk.

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titleist1
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Joined: Wed. Nov. 14, 2007 4:06 pm
Hot Air Coal Stoker Stove: Harman Mag Stoker (old style) one in basement, one in workshop
Hand Fed Coal Stove: Harman Mark III on standby for long power outages
Coal Size/Type: Rice/Anthracite; Nut/Anthracite
Location: Cecil County, MD

Post Fri. Dec. 13, 2013 11:54 pm

coalcracker wrote:I noticed the last few days I had to open up the draft more on the Harman to 5/8 open, may be the low pressure area moving in,
could be that you are getting fly ash built up on the top of the baffle plate if you haven't cleaned it yet this year. fly ash will lay against the square tubing that the distribution air blows through, insulating it somewhat.
I drive a VW TDI, heat my home & workshop with two coal stokers and have two vintage JD diesel tractors....
The EPA just loves me!!

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DennisH
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Hand Fed Coal Furnace: Yukon-Eagle Klondike IV
Other Heating: Propane
Location: Escanaba, MI

Post Sun. Dec. 15, 2013 7:31 am

Lightning wrote:I was quite proud of my furnace today. I tended her this morning at 2:30am it was 7 degrees outside. I put a pretty good sized heap of coal in and after it was burning good I set the primary air a bit higher than usual. The high temp outside today was only 14 degrees. My wife was home making Christmas cookies. The main living room maintained 75 degrees with the rest of the house right close behind it.
You're positively TROPICAL in NY! We haven't gotten out of the below zero readings (actual and/or wind chill) for almost two weeks in 'da U.P. eh?! Rock on!!

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Lightning
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Posts: 8289
Joined: Wed. Nov. 16, 2011 9:51 am
Hand Fed Coal Furnace: Overmodified/Bored out Clayton 1537
Coal Size/Type: Anthracite/Awesome Size
Location: Olean, NY

Post Sun. Dec. 15, 2013 7:51 am

@DennisH I know lol we're lucky over here being further east. You get the ugly cold stuff!! :o

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dcrane
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Hand Fed Coal Stove: Crane 404
Location: Duxbury, MA./Hanson MA./Brockton, MA

Post Sun. Dec. 15, 2013 7:56 am

nice! last couple days been really tough on my living room 404 trying to be a central heat system toothy , I got through it NP but I cant say it was as easy as you got through it :(

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Lightning
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Posts: 8289
Joined: Wed. Nov. 16, 2011 9:51 am
Hand Fed Coal Furnace: Overmodified/Bored out Clayton 1537
Coal Size/Type: Anthracite/Awesome Size
Location: Olean, NY

Post Sun. Dec. 15, 2013 8:16 am

I graphed the temps I see after setting for the long burn. The first data point is immediately after initial burn off. This plot is over a course of 15 hours. I took data every hour. The orange line is the flue pipe temperature, the yellow is over the load door.

Settings:
Primary air about 20%
Secondary air a hairs worth
Draft pressure steady -.03

It's interesting to see how the temps fall after setting for the burn, then climb, peak and pretty much plateau only falling a small percentage before tend time again. I think the swell in temperature a few hours into the burn demonstrates that the coal bed is using more of the available oxygen. It goes to show that coal fires burn best when not fiddled with. I attributed the steady heat output to the barometric damper.
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