PURPOSE: To demonstrate the structure and operation of a simple motor.

DESCRIPTION: This is a two-pole DC motor with a split-ring commutator and permanent magnets. Operates with a 1.5 volt battery.

SUGGESTIONS: Click your mouse on the picture above to see a hig-resolution version of the photograph.

REFERENCES: (PIRA 5K40.10)

EQUIPMENT: St. Louis motor.

SETUP TIME: None.