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Is 0.5*C*V*V vaild? (Was Output Voltages and Voltage/Length)


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From:  Greg Leyh [SMTP:lod-at-pacbell-dot-net]
Sent:  Saturday, February 07, 1998 12:14 PM
To:  Tesla List
Subject:  Re: Is 0.5*C*V*V vaild?  (Was Output Voltages and Voltage/Length)

jim heagy wrote:

>      2
> .5CV     applies to the energy stored in the torroid of the tesla coil. The
> whole idea of a 1/4 wave coil is to have the maximum amount of energy
> transferred from pri. to sec. to the capacitor on top of the coil (torroid)
> and then to have the energy released as a large arc. C has to be small enough
> that V will get big enough to "break out" But to get the best effect, C has to
> be big enough that V doesn't get high enough to cause "break out" before most
> of the system's energy has been transferred to the torriod. At this time of
> the first breakout the torroid has reached the highest voltage that it will
> ever attain. All subsequent breakouts will occur at lower voltages because
> "break out" occurs more easily {lower voltage} when there is ionized air
> around the torroid. The further "break outs" extend the length of the spark
> faster than the eye can see to give it the spectacular look that we all strive
> to attain, but this extended length has NOTHING to do with how much voltage
> created the spark. As the old saying goes "its all in the timing".  I hope I
> got this right.

In general, that's pretty much my understanding at present;
However, I find that my models of TC operation are still in 
a state of 'flux'.


-GL