At 12:45 AM 3/12/02 +1100, Roman Black wrote:
>Cheap fans with "speed" switches normally
>have split windings in the motor, and the
>speed switch selects a combination of the
>AC windings.

Even cheaper fans (ceiling fans, for example) have a SINGLE winding motor
and just use capacitors in series with the motor to select
speed.  Sometimes those capacitors are a single large blob with several
leads coming out - multiple caps in a single case.

dwayne


Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

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