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Re: [TCML] Spark gap
In a message dated 2/24/08 12:00:00 A.M. Eastern Standard Time,
>> 2) Any static gap, RQ or otherwise, is unlikely to operate at 60BPS, or
120BPS. All static gaps >>operate in what can only be described as a chaotic
mode, with the BPS varying widely from
>>second to second. A long-term average is typically far higher than the
mains frequency, usually in
>>the range of 150-300BPS.
>I disagree (someone, shoot me now). The static gaps (RQ or otherwise)
>will operate at their caps ability to charge to the breakdown voltage
>and no less. This is simple. I agree that there are a lot of gaps that
>will operate at much higher bps than 120 on average, but it doesn't
"have to be this way". The fact is, "it has been this way needlessly".
> BPS is easily controlled in a static gap just as easy as an SRSG. But, if
>one "knows how", then it won't be controlled. I think this has been the
>real cause of what you've stated.
It seems to me a useful tool would be a cheap, simple way for a coiler
to measure running BPS. Anybody ever cobble up something like this? Something
that would work for solid state and vacuum tube coils as well.
I could think of a number of approaches - antenna, tap to primary,
microphone. Adjustable filter and/or trigger level, and then into a counter. If it
ran off a 9 volt and fit in your pocket, it would be very handy to compare
apples to apples at Teslathons.
Center for the Advanced Study of Ballistic Improbabilities
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