Re: additional transformers [rolled caps]

From: 	richard hull[SMTP:rhull-at-richmond.infi-dot-net]
Sent: 	Wednesday, July 30, 1997 1:27 PM
To: 	Tesla List
Subject: 	Re: additional transformers

>Just though I'd throw in my two bobs worth after having blown up a few
>rolled poly caps!
>All of mine failed at the edges (even being under oil) so I reckon the
>secret is to put big overlaps between the plastic and the Al plates i.e.
>at least an inch or more. Also here the thick poly sheet is bloody
>expensive! so use multiple sheets of 8 mil concreters plastic,
>preferably the clear stuff but if all else fails use black plastic with
>engine oil! It ran ok on my coil for more than 3 months.
>Peter E.

I recommended leaving a full 2" edge separation metal to edge of dielectric
in all rolled capacitors!

Richard Hull, TCBOR