Dear Crispin, the grate costs about a dollar each, whereas a 3.5 m long chimney having a diameter of about 8 cm costs about US$6. Formerly, these chimneys were mass produced as water pipes, but nowadays people use plastic pipes for water. There is only one manufacturer in our state who makes the cement chimneys, and about 15% of them are found to be broken on arrival. Fixing the chimneys is a tricky business, because one has to make a hole into the ceiling or the roof of the house. If this hole is not properly sealed, rainwater drips through it. After using it for about 3 months, the chimney generally gets choked with tar, which is very difficult to remove. Once that happens, the stove produces more smoke than the traditional stove used to produce, and disgusted, the housewife removes the improved stove along with the chimney. We have recently installed our chimneyless stoves in about 1000 households under a special programme funded by Cummins (India) Ltd. These stoves are now in operation for almost a year and there are no complaints. Yours A.D.Karve
On Sun, Feb 5, 2012 at 11:31 PM, Crispin Pemberton-Pigott < [email protected]> wrote: > Dear AD**** > > ** ** > > How much does the grate cost in bulk?**** > > ** ** > > Thanks**** > > Crispin**** > > Dear Mr. Rondi,**** > > people and project funders ask for stoves with chimney, mainly because > that has always been the means of taking the smake out of the > kitchen. But new designs of stoves are now available, which do not generate > any smoke. We now install very simple stoves which have no chimney at > all. The body of our stove is made of clay but one needs a cast iron grate > of 15cm X 15 cm. The stoves are made by using a mould. You may have to > purchase the mould from us and also a video CD, which shows step by step > how to construct the stove by using the mould. **** > > Yours**** > > A.D.Karve **** > > _______________________________________________ > 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/ > > > -- *** Dr. A.D. Karve Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
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