RE: Tube watts & volts

• To: tesla-at-pupman-dot-com
• Subject: RE: Tube watts & volts
• From: "Malcolm Watts" <malcolm.watts-at-wnp.ac.nz> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Fri, 09 Jul 1999 07:48:12 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

> 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?
> 
> Thanks,
> 
> -The Electrophile-
> Grayson Dietrich,  Medina, OH
> See my HV Haven (it does NOT do jusctice!)
> www.geocities-dot-com/WestHollywood/Stonewall/2509/index.html
> 
> 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! 
> John

Hi John,
         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.

Cheers,
Malcolm 

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