Quote:
Originally Posted by squirrel
We used a little 540 type Banebots motor and 125:1 transmission and 8:1 ratio chain drive to move an arm up and down for RacknRoll in 2007. Worked fine, lasted all season. But we cheated and used a gas spring to help support the arm, so the motor didn't have to work hard. I recall it took less than two seconds to raise the arm.
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Oh cool! Did you ever strip a stage in the planetary or fry a 540? Any idea about how much your arm weighed?