Larry, my statement stems from I have never seen a duct system setup, and that there seems to be no standard on duct size and how many CFM fan should be.... I do remember stating that a funnel of some sort be used on end of duct, the duct material not be corrugated (for same static pressure reason as for duct on hood setup), and that a minimum of 6 inch duct be used and use a minimum of 500CFM fan.... However NOBODY ever came back to me with actual number and efficiency report....
Only feed back I got was "whoosit" is using a "similar system" and it seems to work.....Including you.... Don't mean to start a fight this late in game, a long time ago I tried to establish parameters that were practical and efficient, I asked for feed back, but no body contributed their expediences....
I tried to work something out for safe set of parameters, but the "community" did not seem to want to support the efforts.... Oh well....
This is why I have backed way, way, way, out of the glass arena as people still seem to what to go their own way....
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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