Dear AD
Thanks. Regarding other users running off with the technology, Cecil Cook found that there are about 3-4000 copies of my Terrabric Machine in the area of Mthatha in the Eastern Cape of South Africa. The technology has gone wild and it has displaced the hollow cement block as the dominant low cost housing technology in the area. Something like 70% of self-built housing is using stabilised soil bricks made (mostly) by women's groups. Cecil and I introduced the technology in 1983 through an organisation known as TATU. The bricks are now called 'tatu bricks' though no one remembers why anymore. Heh heh. Another technology that went will was the jackal netting machine operated by hand. That is a fence product also known further north as 'pig wire' meaning it is used mostly got keeping animals out of vegetable gardens. I am glad to hear that your kiln design is running wild. It is a sign that the technology is appropriate to the task at hand. Regards Crispin Dear Crispin, a cooperative started by our group is today the only organisation engaged in making charcoal from sugarcane leaves. It costs about US Cents 25 per kg to make the final product (briquettes) and we sell the briquettes at USCents 50 per kg to users of our Sarai cooker. About 100 organisations have purchased our kilns. They do not char sugarcane leaves, but pine needles, needles of Casuarina, urban leaf litter, grass, leaves and weeds found by the roadside and light agricultural waste. Since the technology has not been patented, there is also a likelihood that more persons are using it without our knowledge. I know of at least one group in Germany, who have been supplied with our kiln. Yours A.D.Karve On Sun, Nov 17, 2013 at 8:27 AM, Crispin Pemberton-Pigott <[email protected] <mailto:[email protected]> > wrote:
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