Re: Equdrive circuit, was Re: SGTC

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: bartb@xxxxxxxxxxxxxxxx 

Hi Matt,

Nothing in this one is summed up other than bleeders are always a good
protocol. I think Richard Hull could detail the charge mechanism, but I
have a hard time seeing like charges hold eachother off (so to speak).

Someones going to have to test all this someday and document what is
happening. There's no doubt that there is a charge left as Richard Hull
mentioned in serveral postings. It's just "how" and was it limited to a
single circuit or was seen across multiple circuits.

Take care,
Bart

> Original poster: "M G" <gt4awd@xxxxxxxxx>
>
> So to sum it up... If using the Equidrive capacitor setup, with a
> spark gap or rotary coil, bleeder resistors would be a must. If you
> don't have resistors across the caps you should just short out the
> spark gap and/or rotary for a quick moment after use? Using Equidrive
> capacitor setup with a VTTC should never hold a charge? I'm not sure
> of the other coil designs, except for SSTC, which is a lot different
> (no equidrive setup?). By the way, is it "Equdrive", or "Equidrive",
> for some reason I felt the need to add an "i" to it.
> Thanks,
> Matt G.
>
>
> ---------[ Received Mail Content ]----------
>
> Subject : Re: Equdrive circuit, was Re: SGTC
>
> Date : Mon, 30 Apr 2! 007 23:17:28 -0600
>
>  From : "Tesla list" <tesla@xxxxxxxxxx>
>
> To : tesla@xxxxxxxxxx
>
>
>
> Original poster: "Barton B. Anderson"
>
>
>
> Hi Phil,
>
>
>
>  >Why would one cap "conduct" (discharge?) without the current going
>
>  >through the other one as well?
>
>
>
> It would have to. The caps are series connected through the primary.
>
> If a single cap retains a charge, that charge will be felt across
>
> both caps as soon as alternating current ended. The transformer will
>
> provide R to and will discharge the caps. I was thinking along the
>
> lines of a long discharge situation. But, if we think about DCR of a
>
> transformer (any of the ones we use from NST's to Pigs), it's no
>
> where high enough to cause a large discharge time. As a matter of
>
> fact, it should be immediate. Your right Phil, the cap can't retain a
>
> charge without an ope! n circuit. It's that simple.
>
>
>
> I looked at the theory fro m a discharge rate, but didn't throw
>
> numbers at it (my bad). 5RC is a fraction of a second even for a 4500
>
> ohm 12/60 NST secondary. There's no way to retain a charge without an
>
> open circuit condition (floating secondary or not).
>
>
>
> I hate to waffle on a subject. That's what I get for trying to figure
>
> out (in what possible way) could there be a retained charge. Then I
>
> thought, it must be a long discharge time and just threw those
>
> thoughts out. But the numbers don't lie and a remaining charge is
>
> only possible in an open circuit. An open circuit can only be caused
>
> by a failure or a series gap configuration.
>
>
>
> Take care,
>
> Bart
>
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