I was wondering if anyone out there has any hands on practical experience with a Hilsch Tube. I have been thinking about running a refer and a water pre-heater off of one with compressed air, harvested from wind/hydro power (kinetic storage). Here is what a Hilsch tube is http://en.wikipedia.org/wiki/Vortex_tube
I'm sure glad that he's gone. Now I can read this tiny ad in peace!
try homesteading without the stress and anxieties of buying a homestead