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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have been looking for an improved wood cookstove for our ultra-low-cost housing program in Cameroon (To see more about the program check our website at <a href="http://www.groundwork.org/English/projects.html">http://www.groundwork.org/English/projects.html</a> and click on topics under Cameroon for overview and details of “Conditions in Besongabang, Cameroon”).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We are looking to meet 2 criteria that seem to be a bit uncommon: 1) A chimney, 2) A waist high working surface.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I saw a stove that looks very interesting, the InStove Institutional stove. It is too big for our use but I am wondering if there is anything like it that is smaller? It has several features that are attractive for our project:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoNormal style='mso-list:l0 level1 lfo1'>It uses fuel reasonably similar to what people in Besongabang are accustomed to use. (As opposed to TLUDs which are quite different in fuel requirement and handling and fire management.)<o:p></o:p></li><li class=MsoNormal style='mso-list:l0 level1 lfo1'>It has a chimney so that there is almost no indoor air pollution.<o:p></o:p></li><li class=MsoNormal style='mso-list:l0 level1 lfo1'>You can extend cooking time easily by adding more fuel or reduce time by removing or not adding. <o:p></o:p></li><li class=MsoNormal style='mso-list:l0 level1 lfo1'>It has excellent thermal efficiency.<o:p></o:p></li><li class=MsoNormal style='mso-list:l0 level1 lfo1'>It has remarkable performance and emissions numbers. They say category 4 in 9 of 10 categories and category 3 in the remaining one. Here is their chart.<o:p></o:p></li></ul><p class=MsoNormal><img border=0 width=818 height=388 id="_x0000_i1026" src="cid:image001.png@01CFE0AF.2351DD60"><o:p></o:p></p><p class=MsoNormal>3<sup>rd</sup> party test results at <a href="http://instove.org/sites/default/files/InStove%2060%20and%20100L%20ISO-IWA%20Performance%20Report.pdf">http://instove.org/sites/default/files/InStove%2060%20and%20100L%20ISO-IWA%20Performance%20Report.pdf</a> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This is a diagram of the stove:<o:p></o:p></p><p class=MsoNormal><img border=0 width=478 height=580 id="Picture_x0020_1" src="cid:image002.png@01CFE0AF.2351DD60"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Some key questions for us:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoNormal style='mso-list:l0 level1 lfo1'>Can it be scaled down to household size? I understand that larger stoves have generally performed better. What’s the best we could do with a smaller stove?<o:p></o:p></li><li class=MsoNormal style='mso-list:l0 level1 lfo1'>What materials does it use? Will it be affordable? For example, does it use some expensive high tech insulation?<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can anyone suggest smaller rocket stove designs that we might consider? We need at least one specific set of plans we can follow for a test unit.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks for any help,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Huck<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#400040'>Huck Rorick</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:gray'>Executive Director<br>Groundwork Institute<br>2640 Silvercrest Street<br>Pinole, CA 94564<br>Phone: 510-222-4111<br>email: </span><span style='font-size:12.0pt'><a href="mailto:huckrorick@groundwork.org"><span style='font-family:"Arial","sans-serif";color:blue'>huckrorick@groundwork.org</span></a></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";color:gray'><br></span><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:gray'>Website: </span><u><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:blue'><a href="http://www.groundwork.org"><span style='color:blue'>www.groundwork.org</span></a></span></u><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>