Re: 70kv system questions

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jonathan Peakall by way of Terry Fritz <twftesla-at-uswest-dot-net>" <jpeakall-at-mcn-dot-org>

David,

I thought that two caps hooked in series halves the caps, and in
parralel doubles it. So, if I hook two in paralell (making .002 uf) then
hook two in series (for .005 uf) and then connectb them together,
shouldn't that make .0025?

TIA

Tesla list wrote:
> 
> Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<Tesla729-at-cs-dot-com>
> 
> In a message dated 4/3/01 10:18:01 PM Central Daylight Time, tesla-at-pupman-dot-com
> writes:
> 
> >
> > 4 x 7.5kv .001 uf caps hooked together with two in parallel and two in
> > series to theoretically produce .0025 uf.
> 
> Hi Jonathan,
> 
> If you hook up (4) identical .001 uF capacitors in a series/parallel
> configuration, you'll still have a total capacitance of .001 uF. The
> 7500 volt rating will be doubled to 15 kV, though. Are these plate
> glass capacitors? You may also check your '62 Plymouth ignition
> coil to make sure that it's not partially internally shorted. What kind
> of spark do you get from the ignition coil itself? You should get at
> least a 1" to 1 1/4" spark from the coil itself.
> 
> Hope this Helps,
> David Rieben