Re: [TCML] Questions on the Freau SRSG Phase Controller

[churchmon@xxxxxxx]

 Hi Aric and list members,
Although I have not posted in some time I would like to share my SRSG (with phase adj.) set up for comparison purposes.
I use a 1/3 hp G.E. 3600 rpm motor modified for synchronous operation.The gap has four  flying electrodes  and two stationary.
The phase controller consists of 195 uf. of caps , 20 amp general radio  variac , on off switch for motor through the variac, a  9 amp fast blow fuse and a switch on the caps to engage the circuit
For testing the phase adjustment I use a timing light (Auto parts store) connected to a 12 volt battery charger. I clip the spark plug wire clip  to the 120 volt ac cord going to the motor.When I aim the light at the rotor while turning the variac knob I get a full  90  degrees of adjustment and this gives 120  or 240 bps.

Regards,
Mike Church
Bakersfield Ca. 


 


 

 

-----Original Message-----
From: A Rothman <canihazpolepig@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Fri, Sep 24, 2010 4:55 am
Subject: Re: [TCML] Questions on the Freau SRSG Phase Controller


The line-power LED I described works reasonably well.  I have tried
capacitances up to 155uF so far, and am unable to exceed about 45 degrees
before losing lock.  I never see a resonant rise in the voltage across the
motor.  Has anyone used 1/2 HP motor, 3600 RPM with John's phase
controller?  What capacitance did you find to be ideal?

Aric

 
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