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 -- current draw Side-by-side comparisons Traditionally, BEAMers have used motor current as a simple measure of motor efficiency (obviously, lower is better). Let's see how the motors compare over the range of voltages normally used (0 - 5 V) in BEAMbots: Things are obviously pretty crowded below 100 mA; let's zoom a bit closer on the data in this realm:
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