Originally Posted by
David Kenagy
That helps. My old dust collector only pulled 330 cfm, and its output goes to a big flannel bag. The shop now has a 2hp Oneida cyclone, which showed me how much I don't know about volume, pressure and flow.
I plan on a booth of 4x8x6 (192 cu ft). 1000 cfm means >5 air exchanges per minute (which might be much more than I need?) I can change a 4" hole in my wall to a 6" hole pretty easily, but I'd like to see the math, to know whether I'll be frustrated later.
Loading up the filter ("blinding over"?) would be ok, if I can get through a project on one or two filters. My bigger questions are how to set up enough flow, and how to funnel from one or more fans to a single round duct.