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rocket pizza oven - length of burn chamber

 
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Hi.
I'm tinkering with a design for a rocket pizza oven, and i'm a bit confused about how long the horizontal burn chamber should be? I've attached some sketches to illustrate.
1. Long chamber
2. Short chamber
3. Essentially no burn chamber.

I guess it's all to do with mixing gases, so would fins inside the flue help?

I'm aiming to make it as hot as possible - so would something like Fig 4 work? More wood/ air = hotter?

Any thoughts, comments, ideas would be most appreciated.

Thanks
Colin
rocket-stoves.png
[Thumbnail for rocket-stoves.png]
sketches
 
pollinator
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Location: Yukon Territory, Canada. Zone 1a
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Hi colin, Check out he link to Paul's well-laid-out synopsis of a well-built rocket, then check out the link to the plans by the other experts.

Paul's
Ernie and Erica's

Also, read the forums and watch the videos. You will learn tonnes.
 
colin dewar
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Thanks for the links Chris. I'll check them out.
Best wishes
Colin
 
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Hi Colin. I've been tinkering with this idea for a while as well. I began with an earth oven as described in Kiko Denzer's book and now have integrated a rocket stove into it. I'll be knocking version two down mid March and building my final (finger's crossed) design. Here is a link to my youtube vids FYI.

http://www.youtube.com/watch?v=QNMe0ukPOcE

Good luck!
Mark
 
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Since we are entering into Cob Oven Season...Another Cob Oven design. The guy also uses it for pizza.


 
Rion Mather
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It sure isn't pretty but the basic design is there.
 
They gave me pumpkin ice cream. It was not pumpkin pie ice cream. Wiping my tongue on this tiny ad:
Rocket Mass Heater Manual - now FREE for a while
https://permies.com/t/138802/Rocket-Mass-Heater-Manual-FREE
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