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Re: 2 foot sparks - need
From: Richard Quick[SMTP:richard.quick-at-slug-dot-org]
Sent: Wednesday, September 10, 1997 1:10 AM
To: tesla-at-pupman-dot-com
Subject: Re: 2 foot sparks - need
AS> How do you figure an equivalent AC voltage for a cap rated in
AS> DC. I don't want to bust mine.
Quoting (I hope) Kevin[SMTP:wawa-at-spectra-dot-net]
> That subject has popped up on this list on several occasions.
> By dividing the dc voltage by two is in the safe range to keep
> a dc rated capacitor alive in tesla work.
> Of course it also depends on what type of dielectric is in the
> cap. Mica is the best materials for a cap used in tesla work
> and should handle half the dc voltage and probably a bit more
> quite well. Those WW2 caps are not only great caps for tesla
> work but also quite some museum artefacts and it would be a
> shame if they were destroyed.
In my actual experience you need to take the dc voltage and
divide by four to obtain a practical (not safe by any means)
working AC voltage in spark excited Tesla tank circuits.
Richard Q.
... If all else fails... Throw another megavolt across it!
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