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Re: Sword-like VTTC spark pix at my website
Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" <FutureT-at-aol-dot-com>
In a message dated 2/9/01 9:43:45 AM Eastern Standard Time, tesla-at-pupman-dot-com
> Nice photos John!
> I'm glad to have seen this really unusual spark in your pictures- I never
> quite knew what you meant before. My coil does not exhibit this
> phenomenon, but I use a horizontal breakout and a larger topload. With
> smaller CW coils, I can get a single vertical strand of arc into air (the
> 811-a coil schematic at www.angelfire-dot-com/electronic/cwillis/811acoil.html
> will do this) but the appearance is not the same.
I forgot to mention too, but some of my coils cannot produce the
straight swordlike spark no matter what I do. It must be a combo
of the coil shape, tuning and osc. characteristics, feedback, coil
Q, etc. I'm not sure what coil parameters are most important to
the effect. I posted more about the horizontal sparks in another