<html><head></head><body data-blackberry-caret-color="#00a8df" style="background-color: rgb(255, 255, 255); line-height: initial;"><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Dear All</div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Thanks Roberto. I remind the group that it is possible to make a charcoal gasifier so we should expect to see stoves that can do both. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Please remember that during an evaluation process for a stove project, the fuel consumption may be rated above other considerations. When it is, the fuel consumption number can be improved by burning residual charcoal. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">When the charcoal is rated higher, the burn can be shut down. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Regards </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Crispin </div> <div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br style="display:initial"></div> <div style="font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">BBM 2B567CC3</div> <br><div id="_originalContent" style=""><div dir="ltr"><span style="color:rgb(0,0,0);white-space:pre-wrap">Bernhard, Huck,</span><div><br></div><div>The Vietnam Magic Flame Stove is a TLUD stove that burns torrefied biomass pellets.</div><div>It use a fan to supply the air needed for gasification.</div><div><br></div><div><a href="http://www.bioenergylists.org/files/A%20Clean%20Burning%20Cookstove%20-%20Belonio%20etal%202010.pdf">http://www.bioenergylists.org/files/A%20Clean%20Burning%20Cookstove%20-%20Belonio%20etal%202010.pdf</a><br></div><div><br></div><div><a href="https://www.youtube.com/watch?v=5juuitxuWVU">https://www.youtube.com/watch?v=5juuitxuWVU</a><br></div><div><br></div><div>They have solved the problem of burning torrefied biomass pellets with a secondary flame (near the pot).</div><div><br></div><div>I think that is possible to burn charcoal pellets with a flame at the secondary air level after the end of the pirolysis stage, in the same TLUD. It can be done using a fan to provide sufficient air for gasification of the charcoal pellets, or with a sufficient tall chimney (with primary air full open).</div><div><br></div><div>For example, i achieve this with a burner with secondary air holes located on top of the concentrator ring.</div><div>With this burner, is more easy to burn the gases than a "standard" TLUD burner.</div><div><br></div><div>This is a video of one of my TLUD (the first version of the burner):</div><div><br></div><div><a href="https://www.youtube.com/watch?v=uq-5nq8Rx08">https://www.youtube.com/watch?v=uq-5nq8Rx08</a></div><div><br></div><div><br></div><div>The material stress, i think, was resolved in the oorja stove, with a very thick cast iron grate.</div><div><br></div><div>With this possibility, the user or cooker can have the decision to burn all the fuel pellets, or to save the char or biochar for later use.</div><div><br></div><div><br></div><div>Greetings</div><div>Roberto Poehlmann</div><div><br></div><div> </div><div><br></div><div><br></div><div><br></div><div><br name="BB10" caretmarkerset="INVALID" class="markedForCaretMarkerRemoval"></div></div><!--end of _originalContent --></div></body></html>