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<body bgcolor="#FFFFFF" text="#000000">The Mayon Turbo Stove is the first commercially available stove I saw that used a tap to feed and there are some complaints about the need for attention to keep it going, partly because of the rice hull fuel being so light and low power. The possibility of using another feed method is attractive. <br/><br/>So I am looking for a way to use the burning of the fuel right at the hopper outlet to do the job of releasing fuel now and then or 'often'. It doesn't look good at the moment but it might! Never assume anything. <br/><br/>Alex I am booking to see you mid Nov as I have to collect a piano from the Carrying Place area. <br/><br/>Regards<br/>Crispin back in Jakarta<hr/><div><b>From: </b> Paul Anderson <psanders@ilstu.edu>
</div><div><b>Date: </b>Tue, 23 Oct 2012 09:29:01 -0500</div><div><b>To: </b>Discussion of biomass cooking stoves<stoves@lists.bioenergylists.org></div><div><b>Cc: </b>Crispin Pemberton-Pigott<crispinpigott@gmail.com>; Hugh McLaughlin<wastemin1@verizon.net></div><div><b>Subject: </b>Re: [Stoves] Very small stoves and reheating food</div><div><br/></div>
<div class="moz-cite-prefix">Crispin and Alex and all,<br>
<br>
Successful "dribble" or "trickle" feeding at very low cost will be
a great addition to small stove technology. <br>
<br>
Of course gravity is the least expensive. But "assisted gravity"
might be relatively low cost. I am thinking of a small tapper or
vibrator that can be set to giggle the fuel chamber periodically
or when some sensor sends a signal. <br>
<br>
Alternatively there could be some shape of rod that is inside the
fuel chamber. There are many ways to
giggle/wiggle/twist/tap/lift/drop to have minor movement of the
rod to assure the gravity flow of the fuel in the hopper.<br>
<br>
Alex is doing it the right way: Start with uniform fuels like
pellets or quality (screened) wood chips. When a method works
there, then start looking at the more difficult fuels to make
flow.<br>
<br>
Paul<br>
<br>
<pre class="moz-signature" cols="72">Paul S. Anderson, PhD aka "Dr TLUD"
Email: <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a> Skype: paultlud Phone: +1-309-452-7072
Website: <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
On 10/22/2012 7:48 PM, Crispin Pemberton-Pigott wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Dear
Paul<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Not
too fast there… that is what is exciting about Alex
English’s dribble feeder (I am calling it because that is
what it is doing). He is successful so far with wood chips,
pellets and by extension, any small fuel like nut shells,
coffee hulls etc.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
am going to have a gander in November. It is the first <i>small</i>
gravity feeder that I have seen work well. There is no
reason it won’t work with rice hull if we get a bit clever.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You
fan (geddit)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Crispin<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#1F497D"
lang="EN-US">++++++<o:p></o:p></span></b></p>
<p class="MsoNormal">It is the words "feed ... continuously"
fuel that is a problem. The pellet stoves (heaters) are
acceptable and successful because the continuous feeding of
fuel is automated. No such luxury with inexpensive stoves
for economically poor people.<br>
<br>
Paul<br>
<br>
<o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
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