Re: variac size and flashover
Tesla List wrote:
> Original Poster: pmathus-at-learningco-dot-com
> 2 questions for the gurus:
> 1) How big a variac do i need? 5 amps? 15 amps? I'm going to be
> running a 12kv 60ma NST.
> 2) What's the recommended distance between the first turn of the
> primary and the secondary to prevent flashover? I was thinking 2",
> (for a 6" secondary) but now i'm wondering if that's too much. . .
> paul mathus
if you can do it get the biggest variac possible you will be happier
when you finally decide that the present coil you are/will be doing isnt
2" is a bit on the wide side id go for 1.5 or 1.25 no less than 1"