Reply by DocSavage45

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Posted on Which is better? Aluminum alloy impeller or steel impeller in a dust collector.

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8820 posts in 3262 days

#1 posted 02-20-2017 02:05 AM


There is a lot of good information in this thread. For me the cost of running a 3 hp machine is not efficient unless I can be paying for it with my woodworking. Right now that is not the case.

The ebay dust collectors are central machinery and the same as from Harbor Frieght only more money!

Two major factors to consider which are influenced by the motor and impeller are cubic feet per minute (cfm) and air pressure. the grizzly machines are in 10 to 11 range. with the aluminum impeller.

As I mentioned before getting a machine that isn’t damaged in transit is a lot of problems to expect depending on the shipper.

The Shop Fox version of the 2 hp Grizzly has a steel impeller and more volume and pressure for a 2 hp machine.

You can read the specifications at the bottom of this page.

-- Cau Haus Designs, Thomas J. Tieffenbacher

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