prim. cap with variac?

From: 	solva-wijnschenk[SMTP:solva-at-xs4all.nl]
Sent: 	Tuesday, January 20, 1998 12:23 PM
To: 	tesla-at-pupman-dot-com
Subject: 	prim. cap with variac?

dear all,

how do I calculate the primairy cap if my xfrmr is for example 7000 v/
700mA and 5000 v/ 300 mA in series with my variac adjusted to say 30%???

And: has anybody experience with construction of cap with plastic
picnicplates?  easy to replace with failure or to add in case of higher
needed brakedown voltage!!

Thanks on forehand, sparky