Re: New 4" coil: R.Hull and CSN, Secondary Varnish

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

Original poster: "Crow Leader by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla-at-lists.symmetric-dot-net>

interesting. The white film I got stayed there forever until you wiped it
away.

KEN
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, September 21, 2002 11:43 AM
Subject: Re: New 4" coil: R.Hull and CSN, Secondary Varnish


> Original poster: "S Gaeta by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<sgtporky-at-prodigy-dot-net>
>
> Hi Ken,
>
> I suspect it is water because it clears up after the coil has been turned
> off for a while.
>
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Saturday, September 21, 2002 12:15 PM
> Subject: Re: New 4" coil: R.Hull and CSN, Secondary Varnish
>
>
> > Original poster: "Crow Leader by way of Terry Fritz
<twftesla-at-qwest-dot-net>"
> <tesla-at-lists.symmetric-dot-net>
> >
> > This white coating that looks like condensation on the lexan may be some
> > type of oxidation of the plastic itself due to corona or corona
byproducs.
> > I've noticed this white film in homemade polypropylene capacitors, and
it
> > only happens under AC usage. The caps I made were insert tab wound with
> 1mil
> > Hercules "capacitor grade" polypropylene film and at voltages over 1kV
at
> > 60Hz. They were dry. The impregnated ones I made failed after the
mineral
> > oil dissolved the film.
> >
> > KEN
> >
> >
>
>
>
>
>