Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com> > Thanks for the explaination. If i construct a coil, i would > use a lot of turns. > Would VTTC mean varabily timed tesla coil? Vacuum Tube Tesla Coil. CW (Continuous wave) as opposed to impulse. best dwp