I salvaged the motor & control board for nothing and paid $35 for an e-stop switch, potentiometer and a tachometer. The machine makes far less noise and is much smoother running. With the new treadmill setup I now have variable speed from 100 RPM to 1400 RPM in straight gear and can reduce that by a factor of 3 when using the back gear.
The new motor is 2.25 HP 4600 RPM DC-130V. The machine had 16 speeds depending on how you arranged the belts & back gear, from 28 RPM to a little over 1400 RPM. The original motor was a ½ HP 1750 RPM AC motor. Over the past few days I have been working to repower it with a salvaged treadmill motor and (scr) control board. This week I turned my attention to my (little lathe) a 10≊tlas built in 1948. I am between projects so I have been cleaning and servicing my machines and making some machine upgrades.
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