Re: [TCML] First light but something's still not quite right

[G Hunter <dogbrain_39560@xxxxxxxxx>]

Weird behavior.

Try leaving out the Terry filter and see what happens.

Still no-go?  Substitute a simple static spark gap in
place of the rotary.

Strike two?  See if your transformer can fire a
Jacob's ladder.  Maybe it is intermittently breaking
down internally.

Cheers,

Greg

--- Andrew Nettles <anettles@xxxxxxxxxxx> wrote:

> I got my 6" coil to fire up yesterday and although I
> was glad it worked the first try, I'm still having a
> problem.
>  
> It only ran for a few seconds and then quit.  I had
> noticed before when messing with the safety gap that
> the GTO wire still leaked a bit even though it was
> rated for 15kv and that's what my transformer is
> rated.  So I made sure there was adequate spacing
> between those wires and the grounds and then it
> worked again.....for a few seconds.  The variac &
> nst test fine.
>  
> I went to set the safety again and disconnected the
> tank circuit but didn't disconnect the rest of the
> filter.  As soon as the safety stopped firing, I'd
> get a nasty hot arc between the two rows of
> capacitors in the Terry filter.  So after bonking
> myself in the head, I isolated the safety gap and
> set it.  At one setting I would plug it in and it
> wouldn't fire 3 out of 4 times and then I'd get a
> big arc - not the two little ones between the gaps. 
> I backed it out a little more until I could plug it
> in repeatedly and not get that.
>  
> So I have the wires separated, safety gap set
> properly...but it still stopped working.  It seems
> like the hv is getting shorted to ground but I can't
> see what I've done wrong.  Could it be a problem
> with the terry filter?  The two rows of caps are
> separated by about 1-1/2 inches of space....I'm
> wondering if that's adequate or if that's the
> problem.   I've ground every solder joint down so
> there's no sharp edges.
>  
> My rotary gap seems to be set close enough to work,
> but I can't get the coil to run long enough to tune
> the tap or play with the motor phase.
>  
> I'd be grateful for some input.  And BTW thank you
> to all the people on this list who helped me when I
> needed it - I'm just about there.
>  
> - Andrew Nettles, Fort
> Worth_______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
> 


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