Reply by Fred Hargis

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Posted on Dust collection strategy

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Fred Hargis

5928 posts in 3099 days

#1 posted 05-09-2012 09:47 PM

You need to review the ducting cost for a good system, it will sometimes be as high as the DC itself. That said, most of that cost will be in the fittings and if you want to make things a lot harder you can fashion those yourself….it’s a little easier with PVC, but metal can be worked as well. You could also build your own separator, the Thein model works well. As for floor sweeps, I had 2 in my last shop and never used them…didn’t put them in the current shop and am now planning to add 2 (go figure), but I have a cyclone. With a single stage DC you might sweep nuts/bolts/something that’s metal into the sweep and it might hit the fan and might spark and might cause a fire in your bags…probably more theoretical than real, but keep it in mind. I’m guessing your electrician put in a dedicated circuit for the DC? it’ll draw some amps and always big running when the other big dogs are so it’s best on it’s own circuit. One other thing, in addition to the wyes, you might get some benefit by passing on the tight radius 90° elbows, instead use 2 – 45° ones with a short pieces of straight in between to soften the curve. Just some things to think about.

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