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Re: Low voltage sparkgaps for ignition coil driver...
I'm surprized that you didn't think of using just a spark gap that was
rated, or just gapping a spark plug 20v/mil then run it through the primary.
Dielectric of air = 20volts to the millimeter.
>Original Poster: "Sam Barros" <sambarros-at-hotmail-dot-com>
>
> Hello, everybody,
>
> This might well turn up to be completely useless, but I just thought I
>might let you know:
>
> My double ignition coil system used (still does) a standard neon light
>(one of those that come in thin, long bulbs, measuring 1cm X 3mm or so,
>with two electrodes inside). The bulb was REALLY small, and it broke
>down at 80V. Breaking down it would cause an SCR to conduct and
>discharge the big caps on the Ignition coil.
> Anyway, the bulb breaks down at 80 volts, and can sustain break rates
>of one fire every few seconds up to several hundred BPS without getting
>hot (at low power levels). It might have some problems I am unaware off
>(such as the problems with the argon gap), but I can tell you one thing:
>for the application I used it, it worked great!
> Maybe a larger version of this could work on real Tesla Coils, but my
>idea is to use this to trigger those "difficult" gaps, like 600V or so,
>that don’t fire reliably in air.
> Any thoughts on this???
>
> Sam Barros
>
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