Reply by Fred Hargis

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

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Fred Hargis

5592 posts in 2914 days

#1 posted 02-19-2017 10:22 PM

A couple of points about aluminum impellers, some repeat of what has already been said. The Aluminum is lighter, and the advantage to the less weight is when the collector spins up. I have a real time amp meter on mine, and during start up it can reach 90 amps (it’s on a 30 amp circuit). Can’t imagine what it would draw with a steel one, though with any luck I may find out this year. Maybe more importantly, the aluminum ones can be cast (at least my Oneida looks like it is) and they can do some pretty sexy (functional) shapes that way a lot cheaper than the steel ones (I guess). The Oneida impeller is almost a work of art with it’s smoothly swept back vanes. But I would bet this months SS check (all $1.53 of it) that if it got hit by a fair sized chunk of hard maple, it would be missing some teeth. More important to me than the impeller is the overall design of the cyclone. IMHO that is where Oneida loses it. My SDG is built like a tank, and high quality construction, but looks like it was designed by a 3 year old (and seperation if fine dust is not good). Being a big Pentz fan, I want one more like his design criteria; with any luck I may be able to get a CV this year. The Grizzly is very close and I see them as a better choice as well. Both of them have steel impellers (I think) adn I’m sure they aren’t the artful design Oneida uses.

-- Our village hasn't lost it's idiot, he was elected to congress.

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