[TCML] Proper VTTC Coupling?
Dr. John W. Gudenas
comsciprof at ameritech.net
Sat Oct 18 16:15:21 MDT 2008
Give me some idea of "small". I have, in the past, tightly coupled
811A coils with excellent performance.
John W. G.
John W. Gudenas, Ph.D.
Professor of Computer Science
On Oct 18, 2008, at 4:32 PM, futuret at aol.com wrote:
> Does anyone have any suggestions for the best coupling value
> for a small VTTC? I usually use something around 0.2 or 0.18
> but those figures may have actually been lower. I did some
> experiments at k = 0.3 or so, but a flashover destroyed the
> primary and secondary. Has anyone loosened the coupling to
> 0.10 or so and seen any reduction in spark length?
> Has anyone noticed if the spark characteristics change with
> various couplings? I saw some evidence that too tight coupling
> ruins the sword-like spark effect. Not sure though. I'm
> aware of Steve Ward's work in which he found that a too-low
> frequency killed the sword-sparks. In my own work, I found
> the sword sparks to be affected by various parameters and
> adjustments. I never attempted to verify the frequency idea.
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