RE: Sync. modification to shaded- pole motors

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

Original poster: "David Dean by way of Terry Fritz <twftesla-at-uswest-dot-net>" <deano-at-corridor-dot-net>

Hi Kevin,

Actually it had been so long since I did it I could not remember. Then I
remembered the motor was on another desk in the outer office, so I just now
plugged it in to see, It starts just fine. This motor has one of those
plastic hubs on it that comes with a universal replacement evap. fan motor
to adapt to a fan blade like those used with the stock motor used in a GE
refrigerator, or a Delfield. It will sync. fine with that, but after adding
a 2" dia disk made from perf board from Radio Shack that had no electrodes
it would not lock.

1 1/2" stack- Mmmmmm... (sounds of Homer Simpson upon observing a stack of
fresh pancakes...)

later

deano

> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com]
> Sent: Wednesday, March 07, 2001 11:06 PM
> To: tesla-at-pupman-dot-com
> Subject: Re: Sync. modification to shaded- pole motors
>
>
> Original poster: "Kevin R Eldredge by way of Terry Fritz
> <twftesla-at-uswest-dot-net>" <kreld-at-juno-dot-com>
>
>
>
> >
> >
> >SNIP
> >>  It would be interesting to know if anyone has modified a "C frame"
> >>shaded pole motor which run 3450 RPM unloaded into synchronous
> >operation.
>
> >
> >I tried it. It would sync OK but not enough torque to sin any usable
> >disk.
> >The motor had a 1/2" stack.
> >I would think a motor with a 1" to 1 1/4" stack would work with a
> >small dia.
> >thin disk, perhaps PCB material.
> >I have a motor with 1 1/4" stack, but it is in use. If I find one that
> >is
> >not being used, I will try it out as I am curious to see myself.
> >Something
> >like that could be used on my medicine coil.
> >
> >Deano
>
>   I'm glad to here it is possible anyway.  Did it start by itself OK, or
> did it need help?   My motor manual states a 1/2" stack is rated 1/250
> HP.  A 1 1/2" stack is good for 1/40 HP, this should be in the ballpark I
> would think.
>
> Kevin E.>
> >
> >
>
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