Electric Motors for Player Pianos
compiled by Robbie Rhodes

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1150 RPM 60 Hz 1 phase motors for player pianos and orchestrions

Holtzer-Cabot           ST16     ST16     ST17     ST18     QS15
weight (lbs)            27       28       26       21.5     24.5
case diameter (in.)     6.88     6.88     6.88     7.0      5.75
case length (in.)       4.94     5.06     4.80     4.56     5.33
rated amps @ 110vac     3.5      3.7      2.8      3.5      3.2
no-load amps  @ 110vac
no-load watts @ 110vac

Emerson                 7361MS
weight (lbs)            27
case diameter (in.)     7.63
case length (in.)       4.0
rated horsepower        0.10
rated amps @ 110vac
no-load amps  @ 110vac  2.6
no-load watts @ 110vac  83

Electric Specialty      B212.5
weight (lbs)            29
case diameter (in.)     7.0
case length (in.)       5.06
rated horsepower        0.125
no-load amps  @ 110vac
no-load watts @ 110vac

24 December 2001