Re: Initial setting for sync phase angle on an RSG

To: tesla-at-pupman-dot-com
Subject: Re: Initial setting for sync phase angle on an RSG
From: Finn Hammer <f-hammer-at-post5.tele.dk> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Mon, 07 Feb 2000 16:47:27 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Try this, because it works:

Replace the flying electrodes with similar iron piece. Then magnetize it
a bit with a magnet. Don`t need much magnetism for this application.
Next wind a few turns around your fixed electrodes, and use this as a
pickup coil, directly into the scope. At a  sensitive setting (start
high), you get:

               _______________________/\  ____________
                                        \/

            Nice little peakie at allignment of the electrodes.

I use this method on my sync gap with 300 BPS, and the coil I wind is
just a cliplead wound around the fixed electrode 4-5 times. You may have
to also use an iron stick instead of the fixed tungsten electrode, I use
short pieces of allthread, anything you got lying around will do. Easy
and neat.

Cheers, Finn Hammer

Tesla List wrote:
> 
> 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