Marc Are you coming to ETHOS?
Ron On Jan 1, 2013, at 10:45 PM, Marc Pare <[email protected]> wrote: > In case anyone needs these: I opened the Sketchup files and rendered them as > images. They're attached. > > You can download Sketchup at http://www.sketchup.com/ > It's a free 3D modeling software that is designed to be intuitive to use. > It's target audience is architecture drawings, but I've found it nice to bang > out schematics for reports as well. > > Marc Paré > B.S. Mechanical Engineering > Georgia Institute of Technology | Université de Technologie de Compiègne > > my cv, etc. | http://notwandering.com > > > On Wed, Jan 2, 2013 at 10:20 AM, Richard Stanley <[email protected]> > wrote: > Michael, > Presuming this is yourself speaking, cnet.com goes even further astray. > Oh well, will go to Guatavo for the .skp file direct. > Richard > > > On Jan 1, 2013, at 8:52 PM, mtrevor wrote: > > Like I corrected www.cnet.com > > Michael > > > ----- Original Message ----- > From: Richard Stanley > To: Discussion of biomass cooking stoves > Sent: Wednesday, January 02, 2013 2:26 PM > Subject: Re: [Stoves] Stove ID please - 2-pot stoves - testing needed > > Michael, > Are you sure that this www.cnet.comoc is the right link: I can't open it on > my Mac. /Safari server. > Richard > > > On Jan 1, 2013, at 1:32 PM, mtrevor wrote: > > Paul and others if you were having trouble with Gustavo's sketch up images of > the 2 pot stove Goolge Sketch up is available for free thru downloads at > www.cnet.comoc > > Michael > Majuor > ----- Original Message ----- > From: Paul Anderson > To: Discussion of biomass cooking stoves > Sent: Monday, December 31, 2012 11:26 AM > Subject: Re: [Stoves] Stove ID please - 2-pot stoves - testing needed > > Crispin and all, > > The Prakti 2-pot unit should be directly compared with the 2-pot unit from > Envirofit. > > http://www.envirofit.org/products/?sub=cookstoves&pid=5 (to see a photo). >> Double-Pot Attachment >> >> Features >> >> The Double pot accessory with chimney is the perfect add-on for customers >> who want the portability and ease of using the single-pot stove, but need >> the extra cooking area for large families, festivals, or cooking for >> visitors. >> The attachment is easily moved onto or off of the stove for quick change >> ability but is steady and sturdy while attached. >> The chimney portion can be used as is - to move any minimal emissions out of >> the face of the person cooking - or can be vented out of the home. * Shown >> with G-3300 cookstove. > And I am sure that there are other 2-pot stoves, but just not being stamped > out and with such smooth edges. Many of us have made such units. > > What is needed is some serious study of these useful features, whether built > into the stove or as an attachment. Issues to be studied include: > heat transfer to EACH pot > types of pots used (sit on top or inserted) > insulation > temperatures of the outside surfaces > fuel efficiencies attributed to the second pot > > And of course, the ways of supplying heat to the 2-pot stove structure. The > fact that both the Prakti and Envirofit units use Rocket combustion > structures does not exclude use with other combustors, such as > TLUDs and even fossil-fuel burners. > > Important note: These 2-pot structures both (virtually all of them?) have a > chimney because horizontal flow of the hot gases must eventually have some > upward movement to maintain the draft (exceptions if there are fans in use). > For the TLUD combustors, the chimney is a nice enhancement of the draft. > > I did not understand Crispin's comment about keeping the smoke and flames > together. >> It seems to me to be worth investigation the % of smoke that can be burned >> by keeping the smoke and flames together for a while. > That is true for "stick-burners" like the Rockets. But TLUDs are > "gas-burners" (that make their own gases in the close-coupled gasifier > reactors.) What would be the best ways to get the best results with > Rockets, TLUDs, or other heat sources? > > Regardless, this seems like a great topic for some research by the now > "product-independent" laboratories for stove testing, such as CREEC and > Zamorano and ARC. But the question is: who will pay for these tests, and > who will release the results? Past practices have been that "he who pays > decides what will be released." And the chances of having both PRAKTI and > Envirofit pay and allow comparisons are about slim to none. > > And I am not going to pay for it. And the testing centers get paid nothing > for testing unless there are sponsors. > > So, I hope that the GACC will soon finance some comparative testings of stove > STRUCTURES that are not just focused on the combustion devices. AND then do > some testing of those same STRUCTURES but with different systems of > combustion, such as having Champion or Mwoto or Quad TLUDs under identical > 2-pot structures.. > > Happy New Year to all!!! > > Paul > > Paul S. Anderson, PhD aka "Dr TLUD" > Email: [email protected] Skype: paultlud Phone: +1-309-452-7072 > Website: www.drtlud.com > On 12/30/2012 4:24 PM, Crispin Pemberton-Pigott wrote: >> Dear Richard in NW Obamaland >> >> >> Agreed. I was looking at the size of the opening at the top and wondering >> how it burned. I have been working on the use of flame tubes a-la-BLDD6 and >> earlier versions where the fire is enclosed in a fairly small round channel. >> >> >> A couple of weeks ago I tried installing a 57mm I.D. flame tube in a >> horizontal draft two-pot stove (I will add pictures later) to see if the >> smoke could be burned post-pot-1. It worked pretty well. I do not yet have >> definitive numbers but as a design approach it definitely worked. There are >> a number of stoves that have far too much space after the fire, allowing the >> smoke and flames to take separate routs to the outlet. >> >> >> So the stove in question has a huge outlet so if smoke manages to get to a >> corner, it has ample space to escape to the margins away from Pot 2. It >> seems to me to be worth investigation the % of smoke that can be burned by >> keeping the smoke and flames together for a while. There are several stoves >> with a suitable layout for this. One is the three-pot stove used in >> Indonesia consisting of separate clay round sections with interconnecting >> tunnels. If the tunnels were reduced in diameter to the point at which they >> became an impediment to gas flow, that would maximise the chance of burning >> the smoke. If the flame was entering the tube in the simple experiment I >> conducted, the smoke was dramatically reduced showing a reproducible and >> consistent effect. >> >> >> I really like the cast iron grate in the Prakti stove with a thickened front >> bar that will resist banging from heavy wood sitting on it. >> >> >> Regards >> >> Crispin >> >> >> >> Crispin, >> >> This seems to be c similar o what was coming from the Dutch TOOL foundation >> in (A ' dam) in the late 70's. They were trying to replicate them thru our >> center (AATP) during that time but it never really took on. >> >> Richard Stanley >> >> >> >> >> _______________________________________________ >> Stoves mailing list >> >> to Send a Message to the list, use the email address >> [email protected] >> >> to UNSUBSCRIBE or Change your List Settings use the web page >> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org >> >> for more Biomass Cooking Stoves, News and Information see our web site: >> http://www.bioenergylists.org/ >> > > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2013.0.2805 / Virus Database: 2637/5996 - Release Date: 12/29/12 > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2013.0.2805 / Virus Database: 2637/6001 - Release Date: 01/01/13 > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > > > <Cocina carbón BTM.png> > <Cocina carbón TOP.png> > <Eckoplancha.png> > <metalica SHADED.png> > <metalica XRAY.png> > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ >
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