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Originally Posted by Zippiot
with a 9 inch diameter tire a direct drive from the van door motors at 70 rpm should be going about 2.7 ft/sec or 1.8 mph, just below walking but right about how fast a robot on the cart should go.
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Keep in mind that the 75RPM on the datasheet is with no load. Under load, they will run a lot slower. Also, teams have been reporting that some of the van door motors have had a free speed as low as 50RPM.