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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dear Christa<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'>There are other initiatives to make stoves based on the approach Alexis has taken. Paul has other models that show some promise as well. <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'>The Mayon Turbo Stove is not perfected yet and I don’t think much is being invested in trying. It holds promise from the point that it does not require a fan. I worked on one here (in Waterloo) earlier this year together with two interns from REAP.  We doubled the overall efficiency but created new problems that it got too hot. It needs additional work to keep the fuel cool. There are of course other ways to burn the fuel with natural draft. Maybe with the advent of cheap power from TEGs we will all make fan stoves and not worry about natural draft any more.<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'>The MTS has the important advantage that is can be refuelled continuously at your convenience. It does not need to be loaded in batches.<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'>Regards<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><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'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0mm 0mm 0mm'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>+++++++</span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The best rice-husk burning stoves I know of are the ones based on the tremendous work of Alexis Belonio. Paul Olivier' s work in Vietnam has taken rice-husk burning stoves in the household-size range to another level, uncomparable with natural-draft stoves like the Mayon Turbo, LoTrau or whichever. Paul has generously shared a lot of his work on this list in the last days, so you can look more details up from the links provided there or consult the section on rice-husk burning gasifiers, pages 43-48 of  the manual microgasification <span class=apple-style-span><span style='font-size:13.5pt'><a href="http://www.gtz.de/de/dokumente/giz2011-en-micro-gasification.pdf">http://www.gtz.de/de/dokumente/giz2011-en-micro-gasification.pdf</a>, </span></span><o:p></o:p></p><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:13.5pt'>it contains all I found as per last year. If anybody knows of models that are not included there, please let me know, so that they can be included in the next update. </span></span><o:p></o:p></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:13.5pt'>regards</span></span><o:p></o:p></p></div><div><p class=MsoNormal><span class=apple-style-span><span style='font-size:13.5pt'>christa</span></span><o:p></o:p></p></div></div></body></html>