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Best sparks
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From: Kevin Wahila [SMTP:kevinw-at-stny.lrun-dot-com]
Sent: Tuesday, June 30, 1998 12:55 PM
To: Tesla List
Subject: Re: Best sparks
i have a tin foil covered ball as one top terminal and also and aluminum
sphere from a Van De Graaf, with the foil, i get bunches of sparks, with
the sphere i get one long spark that roams around and occasionally
straightens right out and gets really long, it has no side branches and
seems to flow....actually it looks pretty damn cool....
>Hi All,
> I have been playing with secondary arcs and such. The data, both by
>measurement and modeling, suggests that secondary arcs benefit greatly by
>having very fast discharges. In other words, the top terminal should be
>large, smooth, and have low RF resistance. The ground path should also
>present low resistance. The arcs need low resistance to RF currents in the
>range of 5 to 20 MHz.
> I was wondering if anyone has noticed that smooth top terminals,
>perhaps made of other materials besides aluminum, seem to give better arcs,
>or that rough terminals give worse arcs. I realize that this is very
>subjective at best but I thought I would ask.
>
> Terry Fritz
>
> terryf-at-verinet-dot-com
>