[TCML] Extremely cheap (surplus?) doorknob capacitor source?
rwsmith at roadrunner.com
Sat Apr 17 18:28:14 MDT 2010
Hi Chris. I have had good luck with wine bottle capacitors for a VTTC
that has a plate voltage of 4000 volts. If I remember right their
capacitance was about 1000pf each. They could be used in a CW multiplier
but they are hard to insulate well. Corona losses get really bad up around
Although the (Lin Ac) is quite an ambitious project it should be a lot
easier to build now than it was back in the day when Scientific American
published their article in the Armature Scientist section. For one thing
you can use a silicon based pumping fluid in the diffusion pump that doesn't
require a cold trap. No need to have all that mercury. Good luck.
----- Original Message -----
From: "Christopher Karr" <chriskarr4 at hotmail.com>
To: "Tesla Pupman List" <tesla at pupman.com>
Sent: Friday, April 16, 2010 10:49 PM
Subject: [TCML] Extremely cheap (surplus?) doorknob capacitor source?
I am currently looking for a cheap source of doorknob capacitors rated at
from 10KVRMS to 20KVRMS (15- to 30-thousand volts peak-rated) at the highest
value possible, though at the lowest price possible. The intended use is,
primarily, a VTTC, though a CW multiplier is also being designed for the
purpose of building a home-brew, linear particle accelerator (LinAc).
I am sixteen years old, low on funds, and looking for values on the order of
a nano-Farad or two per capacitor. My price-ceiling is quite low, sadly:
$100 in total; payable by PayPal or cash-transfer.
To be honest, I know that there are few sources of doorknob capacitors in
somewhat-large volume for this price, though I am optimistic and shall
remain that way.
Thank you for all of your help, past and present,
- Christopher Karr
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