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MMD > Archives > January 2012 > 2012.01.23 > 03Prev  Next


Ampico B Music Roll Drive Motor
By Donald Barton

Does the different electrical current in England affect the speed of
the electric roll drive motor in an Ampico B?

Don Barton - Barton Player Piano Co.

 [ The roll speed is determined solely by its fly-weight governor and
 [ the setting of the Tempo lever.  A "universal" series-connected motor
 [ is employed, therefore it can be operated on mains current from D.C.
 [ to 60 Hz.  The taps of the adjustable power resistor in the shielded
 [ metal box, and the value of the smaller governor resistor that
 [ protects the points, should be adjusted per the procedure given at
 [ http://www.mmdigest.com/Gallery/Tech/Ampico/spoolmotor.htm  -- Robbie



(Message sent Mon, 23 Jan 2012 19:14:36 -0500 (EST) , from time zone -0500.)

Key Words in Subject:  Ampico, B, Drive, Motor, Music, Roll

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