Re: [TCML] RSG Upgrade Performance Video

[Gary Lau <glau1024@xxxxxxxxx>]

Hi Jeremy,

I can definitely hear the two distinct tones in the video, with superior
performance at the lower one.  But I'm having trouble imagining how the
Freau phase controller could allow one to dial in 120 or 240 BPS.  In my
experience, varying the phase control Variac will vary the spark length from
virtually nothing at an early phase setting, to maximum performance, and
going further (later) will cause the safety gaps to fire and stuff just gets
messed up, timing wise.

If you have a scope, I would encourage you to just put the probe in the
general vicinity of the operating coil and verify the BPS.  You should also
be able to see a relative bang size; see if that varies with the phase
Variac.  It should.

And a general comment about videos.  Everyone values different things, but
to me and maybe others, it's not just about the sparks.  Let's see the rest
of the coil too!

Regards, Gary Lau
MA, USA



On Thu, Jun 9, 2011 at 9:29 PM, <jeremyee@xxxxxxxx> wrote:

> List,
>   I just wanted to share some success with my upgraded coil with my new
> SRSG. It sure made a big difference though I still have work to do. I
> currently am only using the static gap recommended LTR capacitance on my 15
> kV, 120 mA NST powered coil. Operating at 120 bps, the safety gap only fires
> occasionally. By tuning the phase using a Freau phase controller I can
> "switch" between 120 bps operation and 240 bps operation. It definitely gave
> a better output at 120 bps. Here are the videos:
>
> 120 bps hitting ladder, 4 ft arcs
>
> http://youtu.be/xYIN6S5Ai2k
>
> Varying between 120 bps and 240 bps with phase controller
>
> http://youtu.be/QjlH_u--P0o
>
> Thanks a lot!
>
> Jeremy
> Cincinnati
> Sent from my BlackBerry device from Cincinnati Bell Wireless
>
>
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