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Re: big cap
Original poster: "Rick W by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rickwilliams404-at-earthlink-dot-net>
Made a big mistake on the reactance calculations
.1uF at 200Khz = 7.96 ohms
2uf at 200Khz = .4 ohms
is correct but that's POINT 4 ohms so almost all the voltage will be dropped
across the smaller cap.
Salt Lake City.
----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
Sent: Saturday, July 28, 2001 2:26 PM
Subject: big cap
> Original poster: "Loudner, Godfrey by way of Terry Fritz
> Hi All
> I have a 2uF / 63kV cap from an impulse x-ray machine, and I was trying to
> think of a use other than a can crusher. Suppose you needed a 0.1uF cap
> a tesla coil tank circuit. I noticed that if a 0.1uF Geek cap is placed in
> series with a 2uF cap, the combined capacitance is 0.095uF (close to
> The general idea is "tweaking" the 2uF cap with Geek caps to get 0.1uF or
> less. It seems to work on paper, but will it work in reality. It is
> that impulse caps from x-ray machines don't stand up well in tesla duty.
> Godfrey Loudner