Reply by jmos

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Posted on Connecting a Sander to a Dust Collector

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827 posts in 2364 days

#1 posted 06-13-2012 04:48 PM

Michael, perhaps ‘choking’ wasn’t the best choice of words, but at the system resistance increases the fan is pushed back on its curve and the flow drops. qball is clearly describing a serious drop in flow. No doubt it will not hurt the DC (blocked inlet will be the minimum draw on the motor), but it doesn’t help him suck up dust from his sander.

Opening up a second hose, as we both suggested, will increase flow through the fan, and may improve his performance with the sander. I don’t have a HF DC, or a copy of the fan curve, so I can’t say for certain.

-- John

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