Re: [TCML] rsg pulsing

[Quarkster <quarkster@xxxxxxx>]

John -
 
Most likely your RSG is not turning at exactly 1800 RPM, so you end up out of synch with the 60Hz AC line frequency. The slow pulsing indicates that your electrode presentations are close to, but slightly out synchronization, with the the frequency of the AC line voltage. You mentioned that your 1800 motor is a DC type; how is the speed regulated to exactly 1800 RPM?
 
Regards,
Herr Zapp
 


--- On Wed, 9/17/08, John Forcina <forcijo10@xxxxxxxxx> wrote:

From: John Forcina <forcijo10@xxxxxxxxx>
Subject: [TCML] rsg pulsing
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Date: Wednesday, September 17, 2008, 6:14 PM

Ok tonight i took my big coil out for a run since i havent really got a
chance to tune it yet.  I noticed that as soon as i got it to 30% or higher
on the variac the spark gap and coil started pulsing really bad. it would
shoot 6' streamers for about 1/2 second and then stop for about 1/2 second.
The rsg is a dc 1800rpm 240bps.  I still have no pfc so that may be a
problem.  Anyway why is this doing this?  Any tips or suggestions would be
greatly appreciated.
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