Drum cyclone dust collector - video

Drum cyclone dust collector. By JSK-koubou. 12:02 video:

https://www.youtube.com/watch?v=NPY1X28mtLE


Previously:

https://www.homemadetools.net/forum/...696#post182740
https://www.homemadetools.net/forum/...673#post182638
https://www.homemadetools.net/forum/...259#post180926
https://www.homemadetools.net/forum/...328#post169444
https://www.homemadetools.net/forum/...874#post163998
https://www.homemadetools.net/forum/...044#post160658
https://www.homemadetools.net/forum/...5851#post82647

That is an interesting design which I haven't seen before.
I am familiar with the conical and Thiel baffle versions.
Are there any critical dimensions to be considered?

The angular placement of blower side induces the centrifugal action, the screen allows air to exit where ever it likes. A Thiel wouldn't hurt it any, but might not be any benefit. The drum of vacuum couldn't be cleaner; effective and impressive.