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Rocket oven design needed

 
                                    
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Hi there.

We are supporting a local NGO in Burundi to make a bread-baking oven. I am hoping to get advice on what size rocket oven would be appropriate. Is it possible to connect with Paul Wheaton on this?
 
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hi nancy
Welcome to permies!

From what i have seen the rocket ovens are the same size. They are usually made out of two 55 gallon metal drums. They probably could be made out of different materials however what they are based on and what is shown here on permies is the 55 gallon metal drums.


Have you taken a look at this page Rocket oven plans
?

Or have you looked at Rocket oven How to video?


I believe tim barker also has a EBook which also has how to build one
 
                                    
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Thanks. Yes, I have looked at the Youtube video  but have not downloaded the plans yet. I am curious if anyone in thei group has worked in a developing country context where locally available materials are not the same as North America. Appreciate any suggestions!
 
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Steel drums are a pretty universal material. Even if the sizes available locally are different from US standard, the plans should be scalable by a careful worker.

If steel drums are not obtainable, I have a feeling no other industrialized materials would be either, and local earthen materials might have to be used. This could certainly function, if not quite as efficiently as the "official" version.
 
                                    
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Agreed. I am mostly curious about insulation materials.
 
pollinator
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This rocket oven had technical input from Larry Winiarski, and just uses local materials - apart from the deflector plate which looks like it's made from cordierite.
It's a low mass heater like the kickstarter one, but has the advantage of being able to also fire clay - presumably reaching 540C.
 
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