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Re: No Terry filter

Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>

On 30 Apr 2005, at 23:26, Tesla list wrote:

> Original poster: <dgoodfellow@xxxxxxxxxxxxxx>
>
> My nst experience with coils is along that of Dan's. I started
> thinking though, if I use an ltr capacitor, have my spark gap right
> across the transformer with fat solid wire connecting the output of
> the transformer to the spark gap, and I set my spark gap to .200", I
> should still have a set of safety gaps in parallel with the main gap?
> How will the safety gap do anything that the main gap can't do, since
> afterall, the main gap will fire once the voltage is above a certain
> level. What am I missing here?
>
> Dave Goodfellow

It all depends how long the wires between the main gap and
transformer are. The shorter the better.

Malcolm

>
> ----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx> To:
> <tesla@xxxxxxxxxx> Sent: Thursday, April 28, 2005 4:17 PM Subject: Re:
> No Terry filter
>
>
> >Original poster: Mddeming@xxxxxxx
> >In a message dated 4/28/05 2:58:48 P.M. Eastern Daylight Time,
> >tesla@xxxxxxxxxx writes:
> >Original poster: "Mccauley, Daniel H" <daniel.h.mccauley@xxxxxxxx>
> >
> >For what its worth, i have built many NST powered tesla coils ranging
> >from 4kV/20mA up to paralleled 15kV/60mA NSTs. I NEVER use safety
> >gaps or terry filters and never had a failure. I also push my coils
> >particularily hard. I did build a Terry filter once, but sold it
> >right afterwards and never really used it.
> >
> >My 0.03 cents
> >
> >Dan
> >
> >Hi All,
> > It's all in cost/risk analysis. Terry filters, crash helmets,
> > condoms, and back-up parachutes- A few of the very careful/lucky
> > folks might live for years without them. BUT, the consequences of
> > not having one that one special time are severe. (see also Russian
> > roulette)
> >
> > How lucky do you feel today, sucker?
> >
> >Matt D.
> >
> >
>
>
>
>