<div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;font-size:large">Dung is not a good fuel.</div><div class="gmail_default" style="font-family:georgia,serif;font-size:large">It is much better to ferment it and use it as a feed.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 5, 2023 at 10:12 PM Kevin McLean <<a href="mailto:kevin@sun24.org">kevin@sun24.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-size:small"><div class="gmail_default">List,</div><div class="gmail_default"><br></div><div class="gmail_default">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?</div><div class="gmail_default"><br></div><div class="gmail_default">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.</div><div class="gmail_default"><br></div><div class="gmail_default"><img src="cid:ii_lcj600us0" alt="Dung rocket stove - wet.jpeg" style="outline: 0px; margin-right: 0px;" width="316" height="138"></div><div class="gmail_default"><img src="cid:ii_lcj6io623" alt="Dung cylinder - Failed test.jpeg" style="outline: 0px; margin-right: 0px;" width="314" height="177"><br></div><div class="gmail_default"><br></div><div class="gmail_default">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 <a href="https://drive.google.com/file/d/1xCrABfFFOVlvtGn925VW8FT9lXl660Zk/view?usp=share_link" target="_blank">video</a> of the test with a metal can over the dung cylinder.</div><div class="gmail_default"><br></div><div class="gmail_default">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.</div><div class="gmail_default"><br></div><div class="gmail_default"><img src="cid:ii_lcj6ce5p1" alt="Dung sticks in a metal band.jpeg" style="outline: 0px; margin-right: 0px;" width="299" height="134"><br></div><div class="gmail_default"><img src="cid:ii_lcj6cr6n2" alt="TDB of pile of dung patties.jpeg" style="outline: 0px; margin-right: 0px;" width="298" height="168"><br></div><div class="gmail_default"><br></div><div class="gmail_default">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.</div><div class="gmail_default"><br></div></div><div><div dir="ltr"><div dir="ltr"><div>Thanks, </div><div>Kevin</div><div><br></div>Kevin McLean, President<div>Sun24.org</div></div></div></div></div>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><span style="font-family:georgia,serif">Paul A. Olivier PhD<br>104/43 Phu Dong Thien Vuong<br>Dalat<br>Vietnam<br>
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