Home  Sources  Part descriptions  Electrical parts  Mechanical parts  DC motors  Geared motors Gearmotors compared Current Efficiency Speed Test procedure Nihon details Copal details Omron details Omron gearhead details Tokyo Micro details TS-53 details CS-20bb details Microcassette details BIObug 143:1 details BIObug 177:1 details BIObug II 224:1 details  Stepper motors  Misc. parts Assembly descriptions   BEAM Pieces is a BEAM Reference Library site.		Gearmotors compared -- speed Side-by-side comparisons In the process of designing your 'bot, you'll also need to know your motor's rotational speed (at the output gear) -- this will tell you how long it needs to be powered in a given direction in order to turn a desired amount. Here's a chart comparing all the motors I've tested: Meanwhile, if you prefer to think in RPM (revs per minute), here's the chart for you: In both motor speed charts, the green zone is the (rough) range of rotational speeds of interest to walker builders.
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