[Stoves] Cajun Rocket Pot

[Inversiones Falcon]

Crispin can you send me that pictures, and also would like to let you know that 2 days ago we ended CCT training in Antigua Guatemala run by Michael from APROVECHO, I took a combustion chamber, but ther was no time to make evaluation, Michael will do some tests on his return to Oregon, but I managed to boil 5000grams water  (temperature of  Water 70 ° C) and we boil it in 12 minutes with abot 850 grams of wood, a very important fact is that Antigua is at over 3000 meters above sea level, see some pictures.
 
Best regard
 
Gus
 
El Salvador
 
 

________________________________
 From: Crispin Pemberton-Pigott <crispinpigott at gmail.com>
To: 'Discussion of biomass cooking stoves' <stoves at lists.bioenergylists.org> 
Sent: Friday, August 2, 2013 9:28 PM
Subject: Re: [Stoves] Cajun Rocket Pot
  


Dear Todd
 
I like the air blocking door. That is a very neat execution. We should use that picture for training on stove design and ways to limit excess air.
 
If you are getting significant air flow through the secondary air ports it shows it is able to truly restrict the primary flow.
 
>Think of the Survivor rocket stove as a 25% secondary air & 75% primary mix hybrid designed rocket stove.  
 
As that is not the ratio of air that is required in a true split combustion device, it means that about 30% (or so) of the 75% is actually secondary air that is passing by the fuel. I am not suggesting there is something wrong with this, just that the actual split in terms of consumption is probably not 25/75.
 
Do you have any excess air measurements (or O2 measurements) taken with a combustion analyser between the stove and the outer edge of the pot? I am interested in the EA value after combustion.
 
Thanks
Crispin
 
 
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