Re: Where to get 4kv 20ma NST?

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

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>

Hi Dan,

On 22 Sep 2002, at 20:46, Tesla list wrote:

> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<dhmccauley-at-spacecatlighting-dot-com>
> 
> > Well, seeing that my 1200v 42ls are not going so well with the larger
> coils,
> > i think that i will join in the competition for the mini coil amoung Gary
> > and Dan.  My weak capacitors should work just fine for this power level of
> > about 160 watts. I plan on 1 string of 10, .15uf 1200v caps for a nice
> > .015uf 12000v cap.  Nicely overrated ;).
> >
> > So where do you get the 4000v 20ma France NST??  Can you order them from
> > somewhere??  Also, do you guys think that .015uf is too big for the 4000v
> > 38ma supply??  Thats about as small as i want to go, but will go lower if
> > needed.
> 
> You can check the Franceformer website for local distributors.  These are
> extremely common and everyone probably has them in stock in your area.
> They retail for about $25.00 depending on your locale.
> 
> Actually, the 0.015uF is probably a bit small.  The calculated value for a
> 4kV, 38mA transformer is about 0.0252uF.  Right now I am running only about
> a 0.0112uF, but will soon update to a 0.0252uF as well as try a larger
> toroid as well.

Can I suggest that a VA rating is a more appropriate platform off 
which to launch a competition? Franceformers aren't very plentiful in 
my part of the world.

Regards,
malcolm