THE P.O.K.E.R. TUBE, VERSION 1
Cut 3 disks from
Cutting the Delrin
disk with a Dremel
Drill and tap
The actual vortex
chamber is very
small, as seen here.
enters the chamber.
Illustration by Gerry Arrington
The glue only held for
seconds; epoxy putty
was much stronger.
In just a few hours, we managed to cobble together
a proof-of-concept Hilsch vortex tube that produced
two streams of air with small, but measurably different temperatures. You’re welcome to try to improve
on our efforts. If you succeed (or even if you fail) let
us know at makezine.com/09/vortex_tube.
Our Hilsch tube is not as pretty as
SciAm’s, but it worked (sort of).