Re: [TCML] Variac motors

[jhowson4@xxxxxxxxxxx]

I did not disconnect any of the components. The whole thing is attached to the Variac base. Hmm maybe the cap is dead. I will look into that later today and get back to you. 

Thanks, 
John "Jay" Howson IV 

----- Original Message ----- 
From: "Bert Hickman" <bert.hickman@xxxxxxxxxx> 
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx> 
Sent: Tuesday, April 20, 2010 7:36:26 AM GMT -05:00 US/Canada Eastern 
Subject: Re: [TCML] Variac motors 

Jay, 

If you have the proper phase-shift capacitor and resistor connected, 
then the motor's direction will be governed by the CW/CCW switch 
positions as shown in figure 5. It sounds like you may be running 
without the phase shifting components. Are you sure you have the motor 
connected properly and you're using the properly sized R and C for the 
motor? 

Bert 
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jhowson4@xxxxxxxxxxx wrote: 
> Does any one know anything about how to operate the motors that usually are attached to variacs. 
> I am tinkering with an ss-150 120V 75RPM .4 amp slo syn motor. It appears to be configured as described by the circuit diagram found here on page 5, but with out the DC stuff. 
> http://www.inoteh.si/downloads/SynchronousMotors_181206_ENG.pdf 
> 
> 
> anyway the problem I am having is that it has no specific direction that it starts in... I turn it on and it goes one way..off...on..and if goes the other way..also there is no logic to which way it goes, it just seems to be which ever way it feels like going. 
> 
> Anyone have any ideas... 
> 
> Thanks, 
> John "Jay" Howson IV 
> _______________________________________________ 
> Tesla mailing list 
> Tesla@xxxxxxxxxx 
> http://www.pupman.com/mailman/listinfo/tesla 
> 

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