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gear motors

Has anyone used the Solarbotics GM17?

DpH's picture

Just wondering if anyone has tried these vs the GM8 or GM9. I am thinking of trying them and maybe getting the conversion gears to put in later for more speed. I thought they might be good with some treads to grunt over stuff! Feel free to throw out some other options too!

Gear motors... too slow?

Markamas's picture

I was looking for small gear motors and I found two nice ones: http://www.robotshop.com/ca/solarbotics-gm7-gear-motor-7.html and http://www.robotshop.com/ca/solarbotics-gm10-geared-pager-motor.html. The first one has a 120:1 gear ratio and the second 81:1. Are these ratios too slow for a robot about 6x6 cm big?

It navigates around the unpredictable world, finds objects, and bangs out a beat on them.
Using a
  This is my attempt at building a drum machine from fritsl's walkthrough. I used two GM3 gearmotors from Solarbotics to drive the black tracks (also from … Read more