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Re: Capacitor Questions



Original poster: "Bert Hickman" <bert.hickman-at-aquila-dot-net> 

Tesla list wrote:
> 
> Original poster: "Simon Yorkston" <quantumx-at-mail.ozemail-dot-com.au>
> 
> Heyas.
> I have not yet ordered my caps, but was looking around on the net, and
> found a site [www.oatleyelectronics-dot-com] which has very cheap surplus
> components. I was wondering if any of these components, [listed by me, or
> on the page, if anyone has the time to look] would be suitable for my coil
> 15kV/24ma w/ Static sparkgap.
> 
> "NEW) HIGH VOLTAGE CAPACITORS: These military quality capacitors are a rare
> find. They are 500pF / 30kVDC and measure 81mm long
> x 29mm diameter. The connections are via screw terminals on each end :
> (ZA0017) $9 each
> "
> 
> It doesn't mention the type of capt [metalized poly etc], but could they be
> OK?
> 
> Thanks again,
> Simon

Simon,

Those are glass-encased Mylar capacitors, often called "Glassmikes".
Don't use them as tank capacitors for Tesla Coils - they have been known
to explode with little or no warning...

-- Bert --
-- 
Bert Hickman
Stoneridge Engineering
Email:    bert.hickman-at-aquila-dot-net
Web Site: http://www.teslamania-dot-com