Re: First Light....

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Original poster: "D.C. Cox" <resonance@xxxxxxxxxxxx>



SCR's can be phased controlled in special circuits --- I'm presently 
working on solving these problems.
Hopefully, our dual back to back SCRs with our unique trigger circuit 
will totally replace variacs in the near future.
Still, a work in progress.

Dr. Resonance



> Got first light tonite from my single 833a VTTC. It has a few 
> problems. Still waiting on some parts but, It works pretty good. 
> Notice the leak at the top of the feedback coil. I can only power up 
> to about 50% on my variac now with that going on...Looking to 
> rebuild on a compact base soon.
> I also had it running last night in a staccato mode of some sort 
> using my computers parallel port, a 3055 transistor and a large SCR. 
> This is why I ask the question about the SCR's. You remember, SCR's 
> are either off or on? Correct or not? I then change over and was 
> using a small LED blinking curcuit I have and a 9 Volt Battery.
>
> <http://www.youtube.com/watch?v=p0iwnxCC42w>http://www.youtube.com/watch?v=p0iwnxCC42w