RE: [TCML] Two spark gaps in a coil?

["Gary Lau" <glau1024@xxxxxxxxx>]

I don't think there would be any advantage in the configuration you suggest.
It would definitely work, but no differently than a conventional circuit.
Basically you're splitting the spark gap into two segments.  When the gaps
fire, you have a loop consisting of series elements C, gap1, Lpri, gap2.
Electrically it makes no difference what order these elements are wired in;
they could just as well be C, gap1, gap2, Lpri, and the circuit would behave
identically.

It doesn't matter that one side of the primary is "hot" in a conventional
circuit.  When the gap is not firing, the current through the primary is
zero - totally off.

It may make a difference that the gap is split into two segments vs. one,
but not because the circuit behaves differently.  Multi-segment gaps tend to
quench better than single segment gaps, but also have higher gap losses, so
there's not a clear cut answer there.

Regards, Gary Lau
MA, USA

> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Brian Hall
> Sent: Sunday, May 02, 2010 8:40 AM
> To: tesla@xxxxxxxxxx
> Subject: [TCML] Two spark gaps in a coil?
> 
> 
> I have an idea, has anyone else tried this?
> 
> 
> 
> Using two spark gaps in SGTC, where the capacitor is in parallell with the
NST as
> usual, and then each lead off the capacitor goes to one end of each gap.
Then the
> ends of the primary coil each connect to the other side of each gap.
> 
> 
> 
> My first thought is that it would cause a greater variation in the amount
of voltage
> going through the primary, where the primary would only be 'on' as the cap
> discharges through the it, and then after cap discharge, the primary
totally 'off' not
> connected to anything, as the spark gaps are 'open' while the capacitor
charges for
> the next spark.
> 
> 
> 
> Single gap coils have some voltage always in them as one output of the NST
is
> always on to one end of the cap, then one end of the primary, so it goes
from some
> power to high discharge, where 2 gaps would have it go from no power to
high
> discharge, a greater variance between each bang.
> 
> 
> 
> Would a coil even work at all like that?  Would it affect streamer length
etc?
> 
> 
> ----------------------------------
> Brian Hall


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