<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Kevin, Paul and stoves list<div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>1. What is the reason for this test of a rocket - instead of a TLUD or other char-making design?</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>2. I agree with Paul, but I can conceive of cost, time spent, and CDR advantages of charring dung, at lest with certain family situations. But I can’t see those advantages with combusting dung.</div><div class=""><br class=""></div><div class="">Ron<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jan 5, 2023, at 9:57 AM, Paul Olivier <<a href="mailto:paul.olivier@esrla.com" class="">paul.olivier@esrla.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><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 class=""><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" class="">kevin@sun24.org</a>> wrote:<br class=""></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" class=""><div class="gmail_default" style="font-size:small"><div class="gmail_default">List,</div><div class="gmail_default"><br class=""></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 class=""></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 class=""></div><div class="gmail_default"><span id="cid:ii_lcj600us0"><Dung rocket stove - wet.jpeg></span></div><div class="gmail_default"><span id="cid:ii_lcj6io623"><Dung cylinder - Failed test.jpeg></span><br class=""></div><div class="gmail_default"><br class=""></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" class="">video</a> of the test with a metal can over the dung cylinder.</div><div class="gmail_default"><br class=""></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 class=""></div><div class="gmail_default"><span id="cid:ii_lcj6ce5p1"><Dung sticks in a metal band.jpeg></span><br class=""></div><div class="gmail_default"><span id="cid:ii_lcj6cr6n2"><TDB of pile of dung patties.jpeg></span><br class=""></div><div class="gmail_default"><br class=""></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 class=""></div></div><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><div class="">Thanks, </div><div class="">Kevin</div><div class=""><br class=""></div>Kevin McLean, President<div class=""><a href="http://Sun24.org" class="">Sun24.org</a></div></div></div></div></div>
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</blockquote></div><br clear="all" class=""><br class="">-- <br class=""><div dir="ltr" class="gmail_signature"><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><div class=""><div dir="ltr" class=""><span style="font-family:georgia,serif" class="">Paul A. Olivier PhD<br class="">104/43 Phu Dong Thien Vuong<br class="">Dalat<br class="">Vietnam<br class="">
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