Sorry if you know all this.
What's not immediately apparent with the cyclone/vac setup is its efficiency over one of those dust collectors. Everything that's sucked up with a dust collector goes through the fan blades. So they get caked and worn and lose efficiency. Then there's the way the dust collector body is set up. It's usually big with no taper and the filter(bag)is exposed to the swirling dust.
In a cyclone the vacuum tube comes in from the top and goes somewhere about 3/5's the way down. And the inlet comes in at an angle even with top /side of the cyclone,this spins the dust fast and as it goes down the tapered side it gets even faster making the dust even as fine as powdercoat separate out then fall in the bottom of the bucket. And because the vac is after the cyclone it is pulling on clean air. It is really old tech that I saw the big ones sitting outside of shops all my life and never gave them any thought until I fell down the rabbit hole of trying to save my vac filters from getting clogged with powdercoat dust. Meanwhile along come Dyson and makes a mint selling you his "new tech".
I've been meaning to post some pix of my setup and don't know if there would be any interest.

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