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AC operated clock motors are a synchronous design and are frequency sensitive. That's the reason, that electric clocks are so accurate.
Telechron built clocks for 25,40,50 and 60hz. The rotors had all different gear ratios.
Got to get a rotor for my Telechron oddity. Never knew those depended on the pulse of the AC line.
Quote:
Originally Posted by Eric H
Can you imagine the Flicker of light bulbs at 25 Hz?
09-17-2013, 02:01 PM
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