Dear Paul I think I have found a technology that will produce exactly what you want for the small wood bits to make the your charcoaling stove work properly. It is called a "Silent Bosch Worm Drive Shredder" and the model I have in a pic in front of me is an AXT 1600HP. Winner of the Blue Angel award for silence, it can process 100 kg per hour up to 30mm diameter branch stock into small kernals. It does not use a standard 'hog' type mechanism but rather a screw running in an angled chamber. Very impressive. 1600 watts. Basically designed for rapid composting of branches. Motor, gears and a built-in trolley, no need to push in the wood - it draws it in with the sharp-edged screw thread (pitch maybe...25mm). I expect you will be able to find it on the net somewhere under Bosch Garden Tools. Regards Crispin - Stoves List Archives and Website: http://www.crest.org/discussion/stoves/200202/ http://crest.org/discussiongroups/resources/stoves/ (Under construction) http://www.ikweb.com/enuff/public_html/Stoves.html (Original) Stoves List Moderators: Ron Larson, ronallarson@qwest.net Alex English, english@adan.kingston.net Elsen L. Karstad, elk@wananchi.com www.chardust.com List-Post: <mailto:stoves@crest.org> List-Help: <mailto:stoves-help@crest.org> List-Unsubscribe: <mailto:stoves-unsubscribe@crest.org> List-Subscribe: <mailto:stoves-subscribe@crest.org> Sponsor the Stoves List: http://www.crest.org/discuss3.html - Other Biomass Stoves Events and Information: http://www.bioenergy2002.org http://www.crest.org/articles/static/1/1010424940_7.html Bioenergy http://www.crest.org/articles/static/1/1011975339_7.html Gasification http://www.crest.org/articles/static/1/1011975672_7.html Carbon For information about CHAMBERS STOVES http://www.ikweb.com/enuff/public_html/Chamber.htm