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Re: Initial setting for sync phase angle on an RSG
Sounds like a neat idea. You could also use a small strip of "conductive
foam" taped to the rotary electrode. As the tip of the foam just barely
brushers the stationary electrode it would send the pulse through the
resistor. The foam just touching the stationary electrode might last longer
than metal as it easily "gives way" and would not bend.
You could also use this small pulse through a transistor and use it to
trigger a small strobe tube --- many kits available for around $12 through
some surplus venders.
If John Freau or Terry has a scope perhaps they could try it with one of
their synchro gaps.
Regards,
Dr. Resonance
-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Saturday, February 05, 2000 11:35 PM
Subject: Initial setting for sync phase angle on an RSG
>Original Poster: Paul Eugene Kidwell <tmb-at-ieee-dot-org>
>
>Hi Everybody,
>
>I don't have an RSG my self to try this on, but I had a thought.
>
>What if...
>
>You temporarily replace the stationary electrodes on your RSG with metal
>brushes,
>wire the electrodes to a small battery with a series resistor so that
current
>would flow when the rotating electrodes bursh past the stationary brushes.
Then
>connect a dual trace scope so that the first trace is connected to your 110
>A/C,
>and the second trace connected between the RSG electrode and resistor?
>
>You should see a nice sine wave on the top trace, and a pulse indicating
>when the
>RSG fires on the bottom allowing you to adjust the phase angle rather
>accurately
>without having to put your hands close to HV.
>
>Think this would work???
>
>Paul
>
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