Reply by JeffP

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Posted on On a Dust Collector what about placing impeller before cyclone?

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573 posts in 2635 days

#1 posted 06-29-2015 10:43 AM

Moving a restriction around in a closed system does NOT remove it from the system.

While, as stated elsewhere, the cyclone does not have anywhere near as much CFM reduction potential as a filter bag or similar…it does have some.

Where that reduction sits between the beginning of the system (where the DC hooks to a tool), along the length of the hose/pipe, just before the impeller, just after the impeller, right before the air escapes back into the wild…no difference at all.

A restriction at the very exit will make just as much of a difference in the air flow as the same type of restriction at the very beginning (or anywhere in between).

-- Last week I finally got my $*i# together. Unfortunately, it was in my shop, so I will probably never find it again.

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