Re: Sync Motor Wanted

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Arpit Thomas" <arpit-at-inzo-dot-org> 

Thanks very much. Yes a microwave oven fan motor won't have enough torque I 
think. I was just experimenting :) I plan to use 50 watt motors from 
pedestal fans, that should have enough torque.
What sorts of induction motors does this grinding flats technique work for?
*********** REPLY SEPARATOR  ***********

On 17/04/2004 at 6:45 PM Tesla list wrote:

 >Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
 >
 >Hi,
 >
 >Flat grinding is not a critical thing.   They do not have to be very deep
 >either:
 >
 >http://hot-streamer-dot-com/TeslaCoils/Misc/sync_motor.txt
 >
 >Some motors have bearings that move when you take it apart but they force
 >back into place as needed.  File to fit, paint to match, hammer to perfect
 >;-))
 >
 >I still worry that a fan motor may not have enough torque.  But maybe for
 >that tungsten rod configuration...
 >
 >Cheers,
 >
 >         Terry
 >
 >At 05:58 PM 4/17/2004, you wrote:
 >>How preceise do you need to be in  grinding the flats? I couldn't really
 >>find much info on the web about this. I tried grindding flats in a
 >>microwave oven fan shaded pole motor but the rotor wouldnt even fit back
 >>in after I finished *sigh*
 >snip... ;-))