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Re: [TCML] SRSG question



I prefer the method of replacing the electrodes by steel bolts, winding some wire arround the stationary electrodes, put a small neodymium magnet on it and use the scope to measure the timing. Works great!

Stefan

----- Original Message ----- From: "Gary Lau" <glau1024@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Tuesday, November 16, 2010 10:31 PM
Subject: Re: [TCML] SRSG question


I cannot over-emphasize how important being able to use the Freau-controller
to adjust the phase in real time is.  The difference in performance with
only slight phase variations is huge. If I had to adjust the phase blindly
through trial and error, I'd have given up long before achieving success.
There is no way to use a timing light to determine the optimal phase
setting.  It can only be determined experimentally.

Regards, Gary Lau
MA, USA

On Tue, Nov 16, 2010 at 10:43 AM, Steve Vance <steve_vance@xxxxxxxxxxxxx>wrote:

Thanks Gary,

I designed the coil with the addition of another NST in mind. The reason I didn't build it in it's final configuration Is because I like to tinker and
change things up. I think I enjoy building as much as running them.

I don't have an extra variac to build a phase controller right now. Seems
like I remember something about using a fluorescent light to get the phase
adjustment into the ballpark. I did a search but couldn't find anything.
Does anyone know where I might find this info?


Steve

----- Original Message ----- From: "Gary Lau" <glau1024@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Monday, November 15, 2010 8:51 PM
Subject: Re: [TCML] SRSG question


 I think there is no doubt that using an SRSG over a static gap will
improve
performance, at any power level. Just realize that with an SRSG, when you
add a second NST, you'll need to double the size of your cap as well in
order to realize the benefit of the 2nd NST.  And of course, if you
increase
the cap. you'll also need to make changes to the rest of the system in
order
to keep it in tune. It's not like a static gap where one can just slap on
a
2nd NST and keep everything else the same.  So you may want to consider
the
final configuration before starting out.

Regards, Gary Lau
MA, USA

On Mon, Nov 15, 2010 at 7:30 PM, Steve Vance <steve_vance@xxxxxxxxxxxxx
>wrote:

 I'm thinking about switching out the static gap on my 12-30 NST powered
coil with a SRSG. I still have one sitting around from a  pig powered
coil
that I sold years ago.

Before I do any swapping I have a few questions about it for the list.
Would switching make much of a difference in performance on such a small
coil?   If not about what power level does it start to be beneficial? I
ask
because I have another 12-30 NST that I plan on paralleling later on.

Steve


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