Chimney/Draft Relative to Recent Hitzer Posts

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63roundbadge
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Location: Lehigh Valley PA

Post by 63roundbadge » Wed. Jan. 20, 2016 1:39 pm

I have fortunately a great working stove with minimal tending and no surprises. After some conversation w/FF, I would like to post a picture and stats of my chimney and how the prevailing NW wind seems to make it work so well. I'm including 2 pix, one inside; one outside.

I have a Alaska Kodiak hopper-fed with 6" pipe. A MPD above the exit and a baro above the MPD. The MPD is closed except for filling/poking/shaking and burning off the gasses. So 15 minutes after tending I close it again.

I have 5 feet of black pipe from stove exit to ceiling and 8 feet of double wall SS above the ceiling to the mushroom cap outside.

The roof beyond the stack is the same pitch to the peak which you can see. The constant wind or even breeze is in a straight line to the cap and then the 'Bernoulli Effect' pulls up through the stack.

I can idle my stove at 65 degrees outside even when it's raining. No difficulty keeping it going. Actually I have to manage the excess draft with the baro.

I think with proper (lucky in my case) draft any stove will work as the manufacturer intended. The Alaska is running great for 5 years, as did my EFEL before it for 23 years in the same spot with the same chimney.

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Last edited by 63roundbadge on Wed. Jan. 20, 2016 8:56 pm, edited 1 time in total.

 
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freetown fred
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Hand Fed Coal Stove: HITZER 50-93
Coal Size/Type: BLASCHAK Nut

Post by freetown fred » Wed. Jan. 20, 2016 1:54 pm

Nice post RB. I think you're right on the money! Thanx--hopefully people will take note. We have a duplicate chimney set-up except for me not having or needing the baro. That is a specific situation need & works REAL well for you.

 
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windyhill4.2
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Location: Jonestown,Pa.17038
Stoker Coal Boiler: 1960 EFM520 installed in truck box
Hand Fed Coal Stove: Crane 404 with variable blower
Coal Size/Type: 404-nut, 520 rice ,anthracite for both

Post by windyhill4.2 » Wed. Jan. 20, 2016 4:20 pm

63RB , does your stove have the thermostatic intake air control ? Very nice set up you have there. :)


 
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63roundbadge
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Post by 63roundbadge » Wed. Jan. 20, 2016 7:42 pm

Thanks.

No thermostat, simply the manual shutter on the ash door. It's open full except when I want to poke I close it so it pulls the air over the fire and nothing goes into the room.

When it's warm out I close it down almost all the way, and the stove idles.

 
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windyhill4.2
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Posts: 6072
Joined: Fri. Nov. 22, 2013 2:17 pm
Location: Jonestown,Pa.17038
Stoker Coal Boiler: 1960 EFM520 installed in truck box
Hand Fed Coal Stove: Crane 404 with variable blower
Coal Size/Type: 404-nut, 520 rice ,anthracite for both

Post by windyhill4.2 » Wed. Jan. 20, 2016 7:47 pm

Thanks. Looking at that pic of the fire,it looks like pea coal in their or did I guess wrong ?

 
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63roundbadge
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Post by 63roundbadge » Wed. Jan. 20, 2016 8:54 pm

Yep, Blaschak pea. I took the pic just before shaking. I tried nut for extreme cold last year, but it burns too hot and too quickly.

I really don't need to run my stove above 250 stack and the cabinet runs around 350 at the hottest. With the added heatsinks and fans it does just fine sending heat away from the stove.

I could actually heat my 2500 sq ft house with only the coal, but my roommate needs some help from the oil burner. It's dead center in the house, all one floor.

She used to complain about the dirt while standing in front of the stove to get warm. Irony at its finest.

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