Re: Microwave oven fan motors

["Ed Phillips" <evp-at-pacbell-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

> Induction motors do suffer slip and their speed is roughly
> proportional to Fmains and inversely proportional to the
> number of poles.
>     Shaded pole motors are non-synchronous right frmo the word
> go. The shorting copper bands are a cheap way of simulating a
> start/run winding. They are terribly inefficient compared with
> a good induction motor.

	Is this subject worth the discussion.  Those fan motors are tiny and
probably incapable of driving any decent-sized rotor.

Ed