Re: [TCML] Salient Pole Query

[futuret@xxxxxxx]

Greg,

A small imbalance doesn't matter especially at 1800 rpm.
At 3600 rpm, a slight vibration might result from imperfect
work, but for the work I did at 3600 rpm, it was OK.

John
--


-----Original Message-----
From: G Hunter <dogbrain_39560@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Tue, 2 Dec 2008 9:46 pm
Subject: Re: [TCML] Salient Pole Query



> I'll echo John's experience.  After converting
> about a half-dozen motors, the only thing to strive for is
> that your flats are the same width, and have a uniform
> angular spacing between them.   As far as precision, I used
> a 4.5" angle grinder, and they turned out fine using
> John's rule of thumb given above.

How did you make the flats with an angle grinder?  Did you mount the 
grinder or
the rotor in some sort of jig?  Did you try to balance the rotor, or 
does a
small imbalance matter?

Cheers,

Greg



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