<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Kobus youare right. It was indeed 2003. I forgot about the date when I simly inserted that photo which I had edited two years on… <div>And John Davies, my apologies for having forgotten to reference you in that photo as well. </div><div><br></div><div>Kobus you suggest that the top grate ( the so called "diffuser" by me), as a catalyst : I never thought of this as such: How did you see it functioning as a catalyst ? Its was just an enamled perforated and slotted cast iron disk typical to most ordinary gas range cookstoves as I recall it.</div><div>I also recall our discussion with John in which it was suggested that the slots allowed a secondary if not tertiary source of air right at the point of combusiton (hey ran vertically down from the outlet holes. </div><div>What did we miss eh ? </div><div><br></div><div>Richard </div><div><br><div><div>On Aug 23, 2013, at 3:45 PM, Richard Stanley wrote:</div><br class="Apple-interchange-newline"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Marc, great work to pull this off with rice husks consistently is some feat: <div><br></div><div>Kobus Venter and I managed same in south Africa with charcoal-agro residue blended hollow core briquettes in his stove but it was hard to replicate and very sensitive to any wind. Nevertheless it really kindles the spirit to see those blue flames eh ? We also managed this with no forced air; It was almost by accident that it happened: Just on a lark after hours of trying different tin can ends with various holes in them for Kobus' stove top, I got ahold of a regular gas stove top diffuser (thats what I termed as the last thing between the gas outlet and the cooking pot) ..and stuck it down over kobus' gassifier stove and voila…</div><div>...but again, was very sensitive to air flow. And, as that stove required top loading of the fuel, it killed the burn for several minutes afterwards, but for that short ~ 20 minute long glimpse of blue flames !!! (You just have to experience it eh ?) <div><br></div><div>Now, if one can come up with a way to ignite what you've got, with push button spark or heat element convenience, for near immediate ignition, you'll enter the market for mass consumption of biomass fuel/ stoves, supplying what the consumer really wants: <div>The real smell of natural,well combusted biomass with the convenience of gas…</div><div><br></div><div>Richard Stanley</div><div>Pietermaritzburg, south Africa and Kobus Venters house, Nov. 2000 </div><div> Those were the best tasting steaks steaks this side of wherever, eh Kobus ? </div><div><img height="319" width="357" apple-width="yes" apple-height="yes" id="909d4fa6-45ec-4833-9a2f-730921fd61f9" src="cid:9911D891-DB52-4CC1-9938-82331A0143B7"></div><div><br></div><div><br><div><div>On Aug 23, 2013, at 2:14 PM, Erin Rasmussen wrote:</div><br class="Apple-interchange-newline"><div lang="EN-US" link="blue" vlink="purple"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-family: Calibri, sans-serif; ">Hey that's exciting. I've seen blue flame with wood pellets on occasion, but only on the edges of my stick built fires.<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-family: Calibri, sans-serif; "><o:p> </o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-family: Calibri, sans-serif; ">Nice work Marc!<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-family: Calibri, sans-serif; ">Erin<o:p></o:p></span></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-family: Calibri, sans-serif; "><o:p> </o:p></span></div><div style="border-right-style: none; border-bottom-style: none; border-left-style: none; border-width: initial; border-color: initial; border-top-style: solid; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding-top: 3pt; padding-right: 0in; padding-bottom: 0in; padding-left: 0in; "><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span>Stoves [mailto:stoves-bounces@lists.bioenergylists.org]<span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Marc-Antoine Pare<br><b>Sent:</b><span class="Apple-converted-space"> </span>Thursday, August 22, 2013 8:34 PM<br><b>To:</b><span class="Apple-converted-space"> </span>Discussion of biomass cooking stoves<br><b>Subject:</b><span class="Apple-converted-space"> </span>[Stoves] Blue Flame -- Natural Draft -- Rice Husk<o:p></o:p></span></div></div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">Hi everyone,<o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">I've managed to repeat blue flames consistently in a rice husk stove using only natural draft.<o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">Anyone seen this before? I am only aware of forced air stoves that achieve blue flames.<o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">The photo below is just a teaser. The lighting is terrible and you can't make out the column of blue flame because I'm shooting straight down.<o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">The smell is also quite motivating. Usually you get acquainted with the "smell of defeat" with rice husk, since poor combustion smells quite strong. So far, achieving odor on par with forced air units.<o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">More soon...<o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">This will be part of a completely Open Source project<o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><img width="267" height="237" id="_x0000_i1025" alt="Inline image 1" apple-width="yes" apple-height="yes" src="cid:image001.png@01CEA00B.23072BC0"><o:p></o:p></div></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; ">marc<o:p></o:p></div><div><div style="margin-top: 0in; margin-right: 0in; margin-bottom: 0.0001pt; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman', serif; "><a href="http://notwandering.com/" target="_blank" style="color: blue; text-decoration: underline; ">notwandering.com</a><o:p></o:p></div></div></div></div></div></div>_______________________________________________<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" style="color: blue; text-decoration: underline; ">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" style="color: blue; text-decoration: underline; ">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/" style="color: blue; text-decoration: underline; ">http://stoves.bioenergylists.org/</a><br><br></div></div><br></div></div></div></div>_______________________________________________<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>http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org<br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br>http://stoves.bioenergylists.org/<br><br></div><br></div></body></html>