has anyone made a dust separator for a wood shop dust collector?

Oneida and other companies make a dust separator that uses cyclone action to separate the chips and dust from the airstream before it gets to the dust collector and clogs the filter. Has anyone done an instrucable showing how to build something like this?

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Complete build instructions for one here: http://www.floweringelbow.co.uk/projects/the-cyclone-dust-separator/ 
This one has the advantage of being see-through, and dimensions that are well known to give extremely efficient separation. 
Chromecow7 years ago
grumpygeek8 years ago

seandogue8 years ago
Something tells me I've seen a DIY design, but I'm embarrassed to say I can't remember if it was here or somewhere else. If a search doesn't yield here on the instructanet, do one for DIY cyclone dust collector on the outernet using Yahoo and goggle and whichever others you know...sometimes what can't be found using one commercial search engine is discovered using another
rickharris8 years ago
Cyclone is the answer - Google it.