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

[Paul Olivier]

What you, Anand, write makes a lot of sense.

On Sat, Jan 7, 2023 at 3:25 PM Anand Karve <adkarve at gmail.com> wrote:

> I have repeatedly shown that plants kill, digest and absorb bacteria. Dung
> is a good source of bacteria. An ancient Indian way of providing plants
> with nutrition is to mix dung, sugar and some soil and ferment the mixture
> in a big barrel. After three days, this bacterial soup is given to plants
> along with irrigation water. A survey made by a student of mine showed that
> thousands of farmers follow this practice. They get high yield without
> using any other source of plant nutrition.
> Yours
> A.D.Karve
>
> On Thu, Jan 5, 2023, 10:34 PM Paul Olivier <paul.olivier at esrla.com> wrote:
>
>> 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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>

-- 
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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