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RE: Dramatic Performance Drop After 5 Seconds?
Greetings All,
Conclusion:
It looks like the original problem was arcing inside
the secondary. I got the wires out of the inside of
the secondary and sealed the holes up with some epoxy.
Viola I ran for more than 30 seconds with no problems
before shutting down.
(Okay maybe that's still a performance problem - just kidding ;-)
Interestingly it cured some other problems I was having
as well. I was getting some small streamers flying off
of the top windings of secondary, that problem has
stopped as well. :-) I also used to have this 12"
glowing UV/corona ball at the top of the coil, that does
not appear to be happening anymore either. My eyes
don't hurt this morning either and they used to hurt
after only short runs. Of course I have given my eyes
two weeks of rest so I am not 100% sure on that one.
Many Many Thanks to EVERYONE for helping me figure this
one out, you all were instrumental in getting to bottom
of my coils problems.
Cheers,
Bill Parn
> -----Original Message-----
> From: Tesla List [mailto:tesla-at-pupman-dot-com]
> Sent: Monday, March 13, 2000 1:29 PM
> To: tesla-at-pupman-dot-com
> Subject: Dramatic Performance Drop After 5 Seconds?
>
>
> Original Poster: "William Parn" <parn-at-fgm-dot-com>
>
>
> Greets All,
>
> My coil when at 3/4 to full power will run really nice for
> 1-5 seconds and all the sudden the 12" - 14" streamers turn
> into little 1/2" streamers, and the sound changes to a real
> tinny sound. If I wait a few minutes and turn back on, it
> repeats.
>
> I cleaned and checked to spark gap really well and the same
> thing still happens.
>
> Is it possible my MMCs are shorting partially and then coming
> back to life after being powered down for a few minutes?
>
> It happens very quickly it does not slowly degrade over time.
>
> Many Thanks,
> Bill Parn
>
> PS: I have got some 14" streamers to air with only
> a 9kv-at-30ma NST. Does anybody know what the record
> is for this little NST?
>
>