[Stoves] Help with rocket stove for Cameroon

[Inversiones Falcon]

Hi all I don`t have a great experience but I do tried many ways to make fire, since I met Larry Winiarski I have tried to improve the rocket combustion chamber, this are some of my old ideas, you can do the changes you need your your own stove. this are 5" diameter by 12" height, this models preheath the secondary air.
Best regard
Gustavo PeñaEl Salvador 

     On Wednesday, October 8, 2014 10:48 AM, Huck Rorick <huckrorick at groundwork.org> wrote:
   

 I read the paper.  Very interesting.

Did you build the stoves with the chimney?  I want chimneys for our stoves
and had thought of adobe chimneys.  The one in the Ugandan design looks very
fragile.  Did you build any?  If so, how did they perform?  How thick walls?
How tall?  (The elbow looks very improbable to me).  

What kind of testing was done with the stoves?  Anything I can get access
to?  I'm curious how they determined efficiency?  Was any emissions testing
done?

Thanks,

Huck

-----Original Message-----
From: acparker at xmission.com [mailto:acparker at xmission.com] 
Sent: Wednesday, October 8, 2014 6:22 AM
To: Huck Rorick
Subject: Re: [Stoves] Help with rocket stove for Cameroon

I think the Ugandan design is appropriate for your service population.  
  I had to abandon it when my service population was displaced and they no
longer had easy access to clay soils.  Now that the resettlement areas are
stabilizing somewhat, I may revisit it and suggest that my local contact try
a pilot project.

Andrew



Quoting Huck Rorick <huckrorick at groundwork.org>:

> Thanks for the reference.  I will read through it.  I haven't read yet 
> so maybe my question will get answered, but I recall Aprovecho saying 
> that the clay stoves (high mass, Lorena) were not very efficient, 
> sometimes using more wood than a 3 stone fire.  I saw some interesting 
> clay stoves made with lower density clay (made with sawdust that burns 
> out in firing, or some with vermiculite I think).  Fired clay is maybe 
> not that great in our area since they have no existing ceramic 
> industry.  Anyway, we are early in the exploration.



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