RE: Tube watts & volts
> Original Poster: "Dr. John W. Gudenas" <jgudenas-at-admin.aurora.edu>
> So, When the plate voltage is DC, what is the overall effect on the
> oscillator, as opposed to AC on the plate?
> -The Electrophile-
> Grayson Dietrich, Medina, OH
> See my HV Haven (it does NOT do jusctice!)
> Grayson I will answer your question in terms of "what
> happens to coil behavior" the oscillator simply oscillates
> at its tuned frequency when run on DC.
> In one word, dramatic. The corona resembles a blue
> gas flame and hisses. There is too much going on here
> for one posting,
> Pure DC tube coils seem to work best (large sparks) by using
> the grid or screen to pulse the coil. John Freau has done
> excellent work in this area and has plenty of video
> tapes to document his results. I sense ( not sure yet
> until I complete my experiments) this allows the coil
> to ring up. Check with John F. for his excellent work.
> BTW: Watch out for RF burns with a DC tube coil!
All CW coils I know about ring up until losses = input.
Cap discharge coils ring up until (a) a discharge clamps the output
in a similar fashion and/or the primary cap is empty.