On Oct 2, 6:45*pm, Jon Fairbairn wrote:
Jon Fairbairn writes:
"george (dicegeorge)" writes:

somewhere on this newsgroup was mention of a vortex
vacuum bucket thingy to get lumps of grit before the vacuum cleaner,
where was it?

Can't be bothered to do a google groups search, but these pages describe
some home made http://codesmiths.com/shed/workshop/techniques/cyclones/

I made one myself out of an old spin-dryer. *I keep meaning to write it
up and post it here.

Finally did that. Verbiage he
http://www.chaos.org.uk/~jf/Spin-dryer-to-dust-cyclone.xhtml


Nice job. I thought at first you were gong to run the spinner motor to
maximise extraction force.


NT