I have a 1/2" 450RPM 4.5amp drill motor that I use to raise and lower my antenna tower. The drill motor drive a 50:1 gear winch. I want to make a sprocket system using a 115volt frame motor. Any suggestions on motor size and sprocket size would be appreciated. The torque required, which I don't know, is about the max for this 1/2" drill motor.
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