[Stoves] ***SPAM*** Dung Rocket Stove - Failed Test

[Paul Olivier]

Dung is not a good fuel.
It is much better to ferment it and use it as a feed.

On Thu, Jan 5, 2023 at 10:12 PM Kevin McLean <kevin at sun24.org> wrote:

> List,
>
> Today we tested a dung rocket stove.  I'm a little surprised that the test
> was a failure.  Can anyone suggest changes?  And can anyone in India help
> us with our testing of dung as fuel?
>
> This is very similar to a sawdust cookstove.  We made cylinders of dung
> with vertical holes in the center and let them dry for a month.  We did not
> mix anything into the dung.  We used 5 liter paint cans to form the
> cylinders.
>
> [image: Dung rocket stove - wet.jpeg]
> [image: Dung cylinder - Failed test.jpeg]
>
> We tested with and without a metal can over the dung cylinder.  We raised
> the cylinder and lit a wood fire under it.  The fire was never strong and
> there was a lot of smoke.  Here is a video
> <https://drive.google.com/file/d/1xCrABfFFOVlvtGn925VW8FT9lXl660Zk/view?usp=share_link> of
> the test with a metal can over the dung cylinder.
>
> We seem to be having early success with upright dung sticks in a metal
> band and top lighting piles of dung patties.  But these need to be tested
> by people more familiar with using dung as fuel.
>
> [image: Dung sticks in a metal band.jpeg]
> [image: TDB of pile of dung patties.jpeg]
>
> We could use some help from someone in an area where dung is used for
> cooking.  None of my colleagues live in such an area.
>
> Thanks,
> Kevin
>
> Kevin McLean, President
> Sun24.org
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-- 
Paul A. Olivier PhD
104/43 Phu Dong Thien Vuong
Dalat
Vietnam

Louisiana telephone: 1-337-447-4124 (rings Vietnam)
Mobile: 090-694-1573 (in Vietnam)
Skype address: Xpolivier
http://epwt.vn/en/home/
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