Original poster: "G by way of Terry Fritz <teslalist@qwest.net>" <bog@cinci.rr.com> Not economically sensible, but it is a great non-traditional way to use an inductive heater! ;-) gregory >Why would someone spend $4k to drive a coil @ 450 kHz? Even a coil wound >with 18g wire would not be very large. >Mike -- "Without ZIM, I am lost." GeekID#-1229 http://thegeekgroup.org