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Combination of Rumford fireplace, and rocket heater  RSS feed

 
Posts: 11
Location: Macedonia
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I was tossing some ideas, wondered if combination of Rumford fireplace, and rocket heater would be possible.
My first idea is something like this:




Any comments and suggestions?
 
gardener
Posts: 2713
Location: Southern alps, on the French side of the french /italian border 5000ft high Southern alpine climate.
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Vann Cho
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Location: Macedonia
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Hey @Satamax Antone

That's an interesting alternative, but not really applicable to my idea. For what I would like, is to combine two separate combustion's. One - the open fireplace for viewing enjoyment, which would 'connect' with a rocket stove. Exhaust of the open fireplace would go straight in the the rocket's feeder (positioned vertically above the open fireplace).
rocket stove should be lighted first, making for active air draft. Only than is wood in the fireplace lighted, sending it's smoke inside rocketstove's air intake (down side of the feeder).
 
gardener
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Vann; I think that your idea will not work very long before you cool the rocket burner down and choke off its supply of oxygen... by feeding cooling smoke into your rmh fresh air intake. You must have sufficient oxygen & heat for a rocket to roar! Cut back on that and you will have incomplete combustion and before long you will fill your horizontal pipes with ash, the rocket will quit drafting and your house will fill with smoke ! One idea for "seeing"the fire in a J tube rocket stove is to mount a circular store mirror over your feed tube this will allow the fire to be seen from most anywhere in the room. The other way to "see" the fire is to build a "batch box" with a high heat glass top, however in your part of the world I think that would be too hot for comfort.
 
Vann Cho
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Hmmm, that sounds right... The smoke from the fireplace is oxygen deprived, so it would choke the combustion inside the rocket stove.
BTW couple of years ago I sow a photos of project something similar to this one. Only that one was a fireplace which exhaust smoke was fed horizontally in adjacent rocket stove. Unfortunately I can't find it for the life of me.

And yes, it is too much of potential problems just for the viewing pleasure of the open fire.
I couldn't picture your idea on "batch box with a high heat glass top". But these are the other ways I've come across, for viewing the fire insire the rocket stove:


http://youtu.be/g-Gjztwtokw?t=343


http://www.canadianoffthegrid.com/beauty-mass-rocket-heaters/

and others.

 
Vann Cho
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thomas rubino wrote:"batch box" with a high heat glass top


Ah, I think I get it now. My guess is you were speaking about Peter van den Berg's Batch Box Rocket Stove.

 
thomas rubino
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Vann; yes,sorry. Peters batch box design, But I was thinking of matt walker who dismantled his 8" J tube and turned it into a 6" peter style batch box with a glass "roof" allowing the fire to be seen. I believe that this style stove would be more heat than you would want. If you search matts posts here at permies (or donkeys) you will find the video of matt making this rebuild (live).
 
Satamax Antone
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Best looking batch rocket so far

http://donkey32.proboards.com/post/16159/thread

I love it's look, tho his heat riser is too short imho.
 
Did Steve tell you that? Fuh - Steve. Just look at this tiny ad:
What makes you excited about rocket ovens?
https://permies.com/t/90100/excited-rocket-ovens
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