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Rocket Mass Weber oven

 
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I've had a pizza oven on my mind for years. First was traditional wood burning brick, then it morphed into perlite cement mix, then cob, and now into RMH. But then I saw a product that allows for a Weber Kettle to be used for a pizza oven (Kettlepizza). The house I bought has a Weber left over. I can use that for the top of the oven build, and use that kettlepizza ring for the "oven transformation". Could I somehow attach metal pipe to the bottom of the weber to make it a rocket stove? Would it even generate enough heat? My first concerns are the lack of a flat bottom for the weber. This could be remedied by welding a circular plate on the bottom to make a flat floor, then go through that. My initial thoughts would be:

1. will this thing get hot enough from burning sticks and maybe a few briquettes for the purpose of longer burning.
2. Is the weber grill thickness going to be enough to stand it (I mean it handles charcoal so I don't know).
3. Is this awesome or am I crazy?
 
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Location: latitude 47 N.W. montana zone 6A
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cat pig rocket stoves
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Hi Kyle;  Welcome to Permies!

Well I went and checked out kettle pizza. Pretty cool item. Like weber, they think highly of themselves, cost being over $150.  
I think if you want one of these, just buy one and place it on a weber. Done deal no building.

A rocket stove can and has been used as a pizza oven or cook stove.   Folks like using Woks with them.

In my opinion, if you want a wood fired  pizza oven then build one with brick or cob.  Here is a link to a brick arched oven you build in a day.
makezine.com/projects/quickly-construct-wood-fired-pizza-oven/

Permies sells plans for an awesome double chamber cob oven , although its not a rocket oven.

Have you built any rocket stoves / mass heaters ?  If not, I suggest getting some bricks and experimenting in your yard.  

Reading the posts here at permies will teach you a lot and getting a copy of the Rocket Mass Heater Builders Guide is invaluable when learning about the proper way to construct a RMH.

Welcome to the wonderful world of rocket science!
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Our professional crew of rocket scientists eagerly await helping you!
 
kyle mende
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Sweet oven build link. My main curiosity for this was since the Weber was there half the jobs done. I already have a big smoker grill that uses pellets that I use for smoking and grilling a lot. The goal for this rocket Weber is not only for pizza but since rocket stoves heat up fast it could be a quick grill for firing up a few skewers. I'd probably need some form of heat diffuser for the grill though. Or maybe just directly fire a cast iron griddle for that as well. I see a variety of pipes used for these builds. From steel square tubing to flimsy stovepipe. I assume insulation doesnt matter since it just directs heat up. I can probably find steel pipes or square tube easily
 
thomas rubino
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Hey Kyle;
Check out some of the posts in rocket stoves as well as rocket ovens. There is a fellow (pollinator)from France (Fox James) over there who does a whole lot of rocket stove cooking and experimenting. His posts could be something you might find interesting.  
The riser does need to be insulated to reach optimum temperatures.  Temps inside the riser are said to be in the 1500F range.   The heavy steel tubes , steal heat until they warm up and have a limited life span from spalling.  The flimsy stove pipe would melt unless it has ceramic blanket inside. That is called a 5 minute riser, it is the newest thing in rocket stove risers.
 
I found a beautiful pie. And a tiny ad:
3 Plant Types You Need to Know: Perennial, Biennial, and Annual
https://permies.com/t/96847/Pros-cons-perennial-biennial-annual
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