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• RPM: 66
• Torque: 43oz.in (3.096 kg-cm)
• Current: 73.2mA
• Reduction: 143:1
• Shaft length: 7mm double-flat (one side)
• Size: 70.5x27x23 mm
The Solarbotics GM9 Gear Motor is much like the but runs at nearly twice the speed. This gear motor goes 66RPM at 5V, drawing 670mA at stall generating 43 in.oz torque (free running at 73.2mA). With a 7mm double-flat output shaft (there is no output on the other side), and a built-in clutch and built-in mounting screw holes, you can see why we like these motors! These fit perfectly with GMPW and GMW plastic wheels.
GM9 - Gear Motors are compatible with the Solarbotics Wheel Watcher Rotation Encoder. Use it if you need to control a robot for dead reckoning, tracking odometry (distance traveled), stalled motor, or closing the feedback loop for position/velocity/acceleration.
Write Your Own Review
Good for our Modkit /Arduino ActivityReview by zackboston
We used these as an input for a Modkit/Arduino activity for physical programming to run cam mechanisms. They were great, sturdy and dependable. The only issue was that the extra care had to be taken because the connectors are very fragile. We used heatshrink around the solderpoints and then secured the wires around the body so that the stress on the connectors was minimized. This was a very good solution.
(Posted on 6/3/14)