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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;mso-fareast-language:EN-US'>Dear Jed<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>The critical thing about the grate is that the fuel should feed down the grate by itself for the most part. At 10 degrees the grate needs to be shaken occasionally. That could be a ‘feature’ in some places, not in others. It depends on what you want. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>The figure of 20 degrees is not magic, it is just ‘more’. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>The grate gap will depend on the fuel. What you do not want is char in the ash if the intention was to burn it. What you describe is different of course.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Good luck with the trip. May you help to ‘stay the hand of the oppressor’.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Regards<br>Crispin<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Dear Crispin<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I use stainless steel rods 8mm with gaps of 8mm. This allows the pilinut shells to fall off after it has fully carbonized. Will adopt the idea of the tilted grate 20 degrees. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>Also Im struggling with TEGs. Its an amazing project and still cannot get it started. I suppose it would be very easy to simply embedd the TEGs into the clay wall and poke the wiring out to a fan or a charger. Could you please tell me more. about this..<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>News on the side.... im contemplating about joining a humanitarian mission next week. There are close to 3,000 refugees that fled from a conflict zone. The place is Tandag in the province of Surigao del Sur. Their tribal leaders and their teacher were executed by a paramilitary group who was organized by the Philippine Army.. the evacuees are in a sports complex. My friends are going for a feeding mission. am raising some funds for my plane fare. also thinking about bringing my stove and have it tested there... .. to cook, to make bio char.. to use the biochar for sanitation.. to make compost,.... to teach people on approtech.... <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Regards<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Jed <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><div><div><div><div><div><div><div><div><div><p class=MsoNormal><b><span style='font-family:"Garamond",serif'>Joshua B. Guinto<br></span></b><span style='font-family:"Garamond",serif'>Specialist, Appropriate Technology</span><o:p></o:p></p></div><p class=MsoNormal><span style='font-family:"Garamond",serif'>MSc Management of AgroEcological Knowledge and Social Change (MAKS)</span><o:p></o:p></p></div><p class=MsoNormal><span style='font-family:"Garamond",serif'>Wageningen University, The Netherlands</span> <span style='font-family:"Garamond",serif'>2006 to 2008</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Garamond",serif'>Recipient, International Fellowships Programme Award (IFP) 2005</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Garamond",serif'>Ford Foundation </span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>2015-09-09 17:54 GMT-07:00 Crispin Pemberton-Pigott <<a href="mailto:crispinpigott@outlook.com" target="_blank">crispinpigott@outlook.com</a>>:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'>Dear Jeb<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'><br>With that layout and refuelling you will able to offer something that can be run indefinitely. Very good. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'>The way we handled the coke and ash was to tilt the grate downwards toward the fire. In the set of drawings on my website (Library/Stoves/GTZ7) the grate is not tilted enough. It should be about 20 degrees at least. The far end is upturned a little to catch the coke/char and not let it pile up against the far wall. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'>The TLUD fire is built on top of the grate perhaps 250 mm high. The final version has a 50 watt 12 volt TEG on the heat exchanger with two computer fans cooling it. The idea is it can run a TV and lights. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'>I found in experiments at YDD that the grate for wood should have quite small gaps - 4 to 5mm. It really reduces the char loss in the ash. For reasons which are not clear, round bars accomplish this better than flat upper surfaces. Still thinking about that. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'>Regards <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'>Crispin <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB style='font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal style='background:white'><span lang=EN-GB>Dear Crispin<o:p></o:p></span></p><div><p class=MsoNormal style='background:white'><span lang=EN-GB><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB>I just realized now reading from your remarks... that what im doing is a cross draft gasifier. Thanks for bringing that up. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB>The material from YDD will surely help. My crossdraft feeding of fuel on the side port comes in contact with the hot charcoal bed. The fresh fuel either comes on the side, or on the top of the hot char bed. But wood sticks can be poked under the hot char bed and they give better results. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB>Im writing a narrative of the details of the anatomy of the stove as Dr. Paul requested. Will post it as soon as i was able to get the size of the document down to less than 1.5 MB. <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB>Regards<o:p></o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB><o:p> </o:p></span></p></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB>Jed <o:p></o:p></span></p></div></div><div><p class=MsoNormal style='background:white'><span lang=EN-GB><br clear=all><o:p></o:p></span></p><div><div><div><div><div><div><div><div><div><div><div><p class=MsoNormal style='background:white'><span lang=EN-GB><o:p> </o:p></span></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:stoves@lists.bioenergylists.org">stoves@lists.bioenergylists.org</a><br><br>to UNSUBSCRIBE or Change your List Settings use the web page<br><a href="http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br><a href="http://stoves.bioenergylists.org/" target="_blank">http://stoves.bioenergylists.org/</a><br><br><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>