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Re: [TCML] Eastern Voltage Research VTTC Staccato Controller - puzzled on "burst" output

Hi John,

Just a quick update, grid repaired, tweaked grid leak a little, all running
good both interrupters. Actually have a slight improvement in streamer
length in both. As I said previously I knew off a little, since the recent
primary and cap change. Still wandering of course on EVR. Did grid winding
a little different since I think I am done changing and I feel this amount
of turns is permanent now. Previous setup was mainly for ease of "quick and
dirty" changes. Did not mind cutting wire away to extremes during testing.
Also winding crazy lengths on to see what happens. Got damaged during the
extreme long. Again not unexpected. Learned things again.

Also during this grid experimenting I did, I experienced at times, I think
you mentioned, nasty "snaps" with very branchy not real long discharges.
Steve White mentioned these also if I remember correctly. So, to me the
grid if not quite right, these can occur at times. For you John, some other
factors could be in play, since extra wide pulse. Another unknown...

I want to add, now both interrupters are running and transitioning very
smooth everywhere as far as I know. Thoroughly tested both for several
hours. No nasty snaps.

These are definitely nasty looking and sounding in a bad way. And I think
you both would agree these are not good at all, and could be very damaging
somewhere. I have just a guess here, but I am going to call this having
something to do with the grid "losing control". Again just a guess.

I don't think I will get to input current checks and the secondary current
on the scope tonight. Not enough time in the day... next weekend.

I am going to be doing some thinking and scope things on the "breadboard"
interrupter. Have some ideas running through my head. I will eventually
float some of these to you, John when ready, with questions most likely
also. Going to tinker with it and just scope some the rest of the evening
on it.

Chris Reeland
Ladd Illinois USA

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