Re: Triggered Gaps

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Mark W. Stolz by way of Terry Fritz <twftesla-at-qwest-dot-net>" <mark_w_stolz-at-hotmail-dot-com>








>Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
><dhmccauley-at-spacecatlighting-dot-com>

snip>


> >>>>>>>>>>>>>>Well, you're not going to build a triggered spark gap.  They
>must be purchased.  However, you can build the
>drive circuitry quite easily and set to trigger on a TTL or similar signal.
>Basically, you need to build a high voltage pulse circuit as
>triggered spark gaps can require up to 15kV or more to actually trigger the
>spark.  This is usally done with a high voltage capacitor (say 400VDC)
>and triggered via a cascading SCR scheme.  The 400VDC capacitor (or similar)
>would then discharge through a pulse transformer to trigger
>the gap.

This is sure a newbie answer.  An inexpensive triggered gap has been talked 
about at great length and developed on this list.  Marc M. and Ted R. have 
spent a lot of time on this.  Ted put together a very nice PDF document on 
the T-gap.  A copy is available at
http://hot-streamer-dot-com/temp/tgap.pdf

Mark Stolz
Houston, TX



>Dan


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