Re: [TCML] Racing arcs and primary resonances

[Gary Lau <glau1024@xxxxxxxxx>]

I would think that if a static gap overheats, its breakdown voltage would be
reduced, and with smaller bangs, it would *reduce* the likelihood of
generating racing sparks.

Regards, Gary Lau
MA, USA

On Sat, Apr 2, 2011 at 7:49 PM, Futuret <futuret@xxxxxxx> wrote:

> Paul,
>
> I've noticed that if a static spark gap overheats, multiple racing sparks
> may form at many places along the secondary.  It's possible the
> racing sparks were more concentrated at a certain area of the secondary,
> but I don't really remember.  I also don't remember if the racing sparks
> began at a certain area then spread over a wider area as the gap overheated
> more.  The overheated gap probably quenched very poorly and let the
> oscillations continue longer than usual with more beating of frequencies.
> I was surprised by the intensity and high number of racing sparks
> under this condition however.  I'm not sure if there's any relationship
> to Brandon's coil's behavior, but I figured I'd mention this.
>
> Cheers,
> John
>
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: Paul Nicholson <tcml88@xxxxxxxxxxx>
> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Sent: Sat, Apr 2, 2011 7:14 pm
> Subject: [TCML] Racing arcs and primary resonances
>
>
> Prompted by Brandon Hendershot's report of racing arcs, I set
>
> up a model of the coil using tssp software in order to estimate
>
> the amplitude and voltage gradients produced by HF transients.
>
>
>
> A secondary voltage/current animation is here
>
>
>
>  http://abelian.org/tssp/tmp/bh1.anim.110402.gif
>
>
>
>
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