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MMD > Archives > November 2005 > 2005.11.11 > 02Prev  Next


Player Piano Motor Runs Backward
By John A. Tuttle

Hi All,  Here's a thought: The motor isn't running backwards. It's the
wrong motor.  Reminds me of a phrase: If it looks like a duck, and quacks
like a duck, it must be a duck.  The question is: What kind of a duck is
it?  Perhaps the old motor burned out and was replaced with one that
looked the same...

The correct Ampico motor is a Holtzer-Cabot ST-17, which turns clockwise.
The Duo-Art motor is a Holtzer-Cabot ST-16, which turns counter-clockwise.

Musically,
John A Tuttle
Player-Care.com
Brick, New Jersey, USA

 [ The ST-17 motor for Ampico is slightly smaller than the ST-16.
 [ Examples of Holtzer-Cabot and Emerson motors seen in North American
 [ pianos are described at http://mmd.foxtail.com/Tech/Motors/index.html 
 [ We need data for 50 Hz 220-volt European versions.  -- Robbie


(Message sent Fri 11 Nov 2005, 13:06:44 GMT, from time zone GMT-0500.)

Key Words in Subject:  Backward, Motor, Piano, Player, Runs

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