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Re: GE 42L series caps Good or Bad??
Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com>
> >I just finished up a medium coil powered by a 12/60 and a static gap. My
> >MMC is 20 in series of 1200v .33uf caps for .0165uf -at- 24kv. Well the
> >performance was poor to say the least with only 2 foot arcs. So i tried
> >tried with no luck. So just out of curiosity, i felt the caps after i
> >turned it off. They were hot! well 2 of them were. I let them cool
> >then ran it again. Checked for heating, it was still in those 2 caps.
> >was hotter than the other. So i took them out. I took apart the really
> >warm one and found some depressing realizations. The ends of the foil
> >totally burnt to a crisp at one end!
Sounds like you blew the caps prior to getting the system into tune,
especially if this was the initial run.
Next time, use a signal generator and scope to find the ballpark tune point
and go from there.