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sir_osis

ring cutter motors

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So i'm gonna build anring cutter...ringinator style but i'm not sure how big a motor to use. I have a 1/8 dc that has a foot pedal for controlling the speed...but i'm wary about cooking it. All i'll be cutting is aluminum and copper.

Thoughts?

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I'm not sure what 1/8 hp converts to in amps, but I'm not having any problems cutting Aluminum with a 4 amp drill setup, roughly 3/4 power.  Not sure if the foot pedal would give you consistent results however.

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ok....how bout this.  I can fairly easily get my hands on a large DC motor from a modern furnace, but it'll just be the motor, the speed controlling components will be lost with the rest of the furnace.  how difficult is it to rig a rheostat (throttle) for the motor?

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