These are good motor/gear combo for small robots. There is surprising little slippage for a plastic gearbox. Would be nice if it had a hole for mounting an encoder closer to the shaft but I made it work.
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Lazuli
Great little motor...
I am using this geared down motor for UGears Theater module, so as to animate it when the detector is actuated, using an Arduino Nano. The gearing ration is perfect for the use. Had a problem mounting the motor, but all came out well.
M
Michael
Good motor and gear, bad electrical connections
Motor, gears and shaft work well, recommend buying recommended wheel attachments together to ensure fit. Warning: Electrical leads are extremely delicate and will not survive more than one or two solder attempts. Ensure wires are secured after connections made, as this is how our electrical leads tore off due to wire movement.
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dtanner3593
good
This was my first puchase online from the RobotShop, but it will most certainly not be my last. The motor I purchased shipped the same day and arrived 2 days later! Plus, it was exactly as advertised and works like a charm. Thanks RobotShop --- keep up the great work!!
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Robert J
Good Quality for the Price, but Difficult to Work With
Nice little motor. In fact all of the GM series motors are great - as long as you don't need to connect motor shaft to anything "off the shelf", i.e. gears, pulleys, couplings, shafts, wheels ... well pretty well anything for that matter. Problem is these guys have a 7mm dual flat shaft. Solarbotics has a GMW wheel that will connect, but unless you're willing to build something that connects to the GMW, you are pretty well euchred. You could make a shaft adapter on a 3D printer - if you have one - but this would be unsuitable for a commercial quality product. The only way I have been able to connect the shaft, is by turning a shaft coupling, drilling a 6mm axial hole, reaming it out to 7mm, and then using two set screws, 180 degrees apart to locate on the flats. But this is a lot of work - might as well pay a few $$$ extra and buy a motor with a round shaft. Otherwise excellent quality, but solder lugs break easily rendering motor as scrap.
