Tami - I have to confess that I don't know what a flow grid is. - Bryan > > Best thing to do is put a really light draft on the hood, like a little > blower. Is this possible? You need to make sure you are collecting all the > exhaust, but not provide enough draft to affect the combustion. Then you > have to measure the flow. The cheapest way I have found to do this is to > attach a 6" flow grid ($25) to a pressure transducer with an analog > output ($40). The flow grid gives you a better and quicker idea of flow > than a pitot tube traverse. Anyone have a better idea? > > Ideas?? > > Tami Dr. Bryan Willson Professor of Mechanical Engineering Research Director, Engines & Energy Conversion Laboratory Department of Mechanical Engineering Colorado State University Fort Collins, Colorado 80523-1374 Phone: (970)-491-4783 Mobile: (970)-227-5164 FAX: (970)-491-4799 EECL Web Site: www.engr.colostate.edu\EECL - Stoves List Archives and Website: http://www.crest.org/discussion/stoves/200209/ http://crest.org/discussiongroups/resources/stoves/ > Stoves List Moderators: Ron Larson, ronallarson@qwest.net Elsen L. Karstad, elk@wananchi.com www.chardust.com Other Biomass Stoves Events and Information: 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 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> > For information about CHAMBERS STOVES >http://www.repp.org/discussiongroups/resources/stoves/Chambers/Chambers.htm