<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'>Alex: I believe the most appropriate answer to your final question below (<em>"What do you see as the advantages of combining these two approaches?"</em>) is one you gave yourself: ("...<span style="font-style: italic;">a desire for char</span> ...").<br><br> The beauty of high mass heaters is that they mesh well with a batch process - the main (only?) drawback of char-making stoves.<br><br>Ron<br><br><br><hr id="zwchr"><b>From: </b>"Alex English" <english@kingston.net><br><b>To: </b>"Discussion of biomass cooking stoves" <stoves@lists.bioenergylists.org><br><b>Cc: </b>chinckley@efwinslow.com, "Jote Mahern" <jotemahern@gmail.com><br><b>Sent: </b>Saturday, October 8, 2011 8:49:16 PM<br><b>Subject: </b>Re: [Stoves] High mass space heating options Re: Rocket Stove for the PLACE<br><br>Paul,<br>The TLUD configuration has it's advantages and disadvantages, like any <br>system. One advantage is it's steady state energy release. High mass <br>heaters strive for a similar result. It seems a bit redundant to pair <br>the two. Perhaps it depends on other considerations like a desire for <br>char or an available particulate fuel supply.<br><br>There are some folks doing fine work at the Masonry Heater Association.<br>http://mha-net.org/<br>They have done a lot on emissions, efficiency and durability.<br>They have looked into Down feed rocket configurations.<br>I'm not sure if they have quantified losses between firings, or seasonal <br>efficiency.<br><br>Its a simple concept with lots of technical details.<br><br>What do you see as the advantages of combining these two approaches?<br><br>Alex<br><br><br><br>On 10/7/2011 10:02 AM, Paul S. Anderson wrote:<br>> Dear Jote and all,<br>><br>> Your problem (opportunity) is about space heating. And you seem to want<br>> biomass rather than fossil or other heat sources. So you should consider<br>> all heat-transfer options with biomass, not just latch onto Rocket or<br>> some other technology that makes heat.<br>><br>> For the climate of the Los Angeles area, why not consider a high-mass<br>> stove? It gets hot and then radiates heat for a long time.<br>><br>> A new friend of mine in Massachusetts, Chas (prononced as in Jazz)<br>> Hinckley has a design for a high mass heater and we are discussing a<br>> moderately large TLUD combustor to provide the heat.<br>><br>> We are looking for other people who might be specifically interested in<br>> this high mass heating option with a TLUD heat source.<br>><br>> If anyone is interested, please get in touch with me and Chas to have<br>> some off-list discussions. (Chas is not subscribed to the Stoves Listserv.)<br>><br>> Yes, you can put a Rocket burner into a high mass device, but I do not<br>> deal with that.<br>><br>> Paul S. Anderson, PhD<br>> Known to some as: Dr. TLUD Doc Professor<br>> Phone (USA): 309-452-7072 SKYPE: paultlud Email: psanders@ilstu.edu<br>> www.gtz.de/de/dokumente/giz2011-en-micro-gasification.pdf (Best ref.)<br>><br>><br>> Quoting Jote Mahern <jotemahern@gmail.com>:<br>><br>>> Hello All,<br>>><br>>> My name is Jote and I am looking for some guidance on the subject of<br>>> building a rocket stove to heat an industrial space near 64th and San<br>>> Pablo.<br>>> This space is home to the PLACE for sustainable living (People Linking<br>>> Art<br>>> Community and Ecology). We are a nonprofit working as a community<br>>> resiliency laboratory and business incubator. We opened in May. It is<br>>> starting to get pretty cool inside. Any help/advice is appreciated. I am<br>>> heading up the project and have experience with cob and am excited to<br>>> put it<br>>> to good use.<br>>><br>>> I am hoping to locate plans and someone who is willing to go over them<br>>> with<br>>> me.<br>>> If anyone is interested in joining the work party for the build out<br>>> that is<br>>> definitely welcome as well.<br>>><br>>> Hope to hear from you soon!<br>>><br>><br>><br>><br>> ----------------------------------------------------------------<br>> This message was sent using Illinois State University RedbirdMail<br>><br>><br>><br>> _______________________________________________<br>> Stoves mailing list<br>><br>> to Send a Message to the list, use the email address<br>> stoves@lists.bioenergylists.org<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>><br>> for more Biomass Cooking Stoves, News and Information see our web site:<br>> http://www.bioenergylists.org/<br>><br>><br>><br><br>_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br>stoves@lists.bioenergylists.org<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://www.bioenergylists.org/<br><br></div></body></html>