Forwarding a post that was too big for [stoves] with the pictures so in this case we'll have to make do with the words until I figure somewhere to upload the pictures.
Xavier you had also included a whole digest which added to the volume. BTW good thin metal is often better than thick if one side is cooled. AJH On Sat, 14 Jul 2012 09:39:58 -0700, [email protected] wrote: >Hey Crispin, > >Very sorry for missing your message, I was going through my old stovelists >emails, and just saw that you wrote to me!! > >I am good, pretty busy with the work at Prakti and other stuff, there is a >lot of good projects and ideas coming up at Prakti, we are living >enthusiastic times! > >I saw the GIZ 'Pulumde' when I was in Benin, interesting design, looking >sturdy like a Roumde and with a grate like a Pulumusa. I remember secondary >air was exiting above the charcoal pile from a metal tube attached to the >grate, but it wasn't working well, and I think it was taken out later on. >The improved malgache I made wasn't really convincing in terms of >performances. Something wrong with the air flow, I guess. Needed a lot of >design work, way more than I could do with my small knowledge. Perhaps a >two-stage door like you are proposing would improve the performances, yes. >I think GIZ with the Pulumde and you with the improved malgache are on to >something. > >A few pictures of the improved malgache are attached. > >Now my main concern was to make a heat-resistant combustion >chamber/cone/grate? Either good and thick metal, either a ceramic one like >the POCA you showed me. > >Cheers, > >Xavier _______________________________________________ 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/
