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Can we really get 225 in-lbs from the drills?
Posted by Jason Rukes at 1/12/2001 1:53 PM EST
Engineer on team #109, Arial Systems & Libertyville HS, from Libertyville High School and Arial Systems Corp & SEC Design.
One of Woody's slides during the Kick-Off showed that a current-limited motor will have the same max speed, but less torque than a "current-unlimited" motor. That got me thinking about the drill motors and the effect of the 30A circuit breaker.
The datasheet states the drill motor will stall at 225 in-lbs(low speed). The torque constant is 5.836mN-m/Amp which means the motor can only generate 62in-lbs of torque at 30 amps before tripping the breaker.
Does this sound correct?
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