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Rewinding Player Piano Motor for European Mains
By Mark Kinsler

[ Walter Tenten wrote in 051112 MMDigest:

> The [Ampico] motor is a Westinghouse model 55A600 with a rated power
> of 1/12 hp and 1140/960 rpm, the current rating being 1.9/1.1 amperes
> at 110 volts.

I have a question about the motor which was rewound to work at 230
volts 50 Hz.  Unless the motor was in poor condition, or there was a
strict requirement for total authenticity, would a 120v/230v step-up
transformer have worked as well?  I'm fairly certain, but I'm not sure,
that a fractional-horsepower induction motor like this would work
properly through a transformer whose power rating is a bit higher than
that of the motor.

This isn't any sort of criticism of the alternative taken here, just a
bit of curiosity that might prove helpful in the future.  The price for
motor rewinding jobs around here is truly majestic.

Mark Kinsler

 [ You are correct, and I believe Walter used a transformer for awhile.
 [ But Walter likes authenticity, and since his brother-in-law is
 [ in the business, ...!  ;-) -- Robbie


(Message sent Sun 13 Nov 2005, 14:34:25 GMT, from time zone GMT-0500.)

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