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This N20-based gearmotor has a reasonable amount of torque (for say, moving a small robot that isn’t going to fight in a Sumo contest), the GM11a is an excellent candidate. This particular motor has a 9.4mm long, 3mmØ cylindrical output shaft, pre-ground with a flat spot for secure grub-screw mounting.
Here are the performance measurements:
Running at 3V:
- Free running RPM – 181
- Free running Current – 28mA
- Stall Torque – 5.9 in*oz
- Stall Current – 428mA
Running at 6V:
- Free running RPM – 370
- Free running Current – 42mA
- Stall Torque – 6.1 in*oz
- Stall Current – 760mA
Practically identical to the now-defunct GM12 Sanyo NA2S, this N20-based gear motor offers a bit more speed at less cost to you!
The major difference between this model and the GM12 is that the front faceplate is brass, not steel. For that trade-off, we’re able to bring you a motor with similar performance at a better deal!
Here are the performance measurements:
Running at 3V:
- Free running RPM – 85
- Free running Current – 18mA
- Stall Torque – 15.6 in*oz
- Stall Current – 290mA
Running at 6V:
- Free running RPM – 169
- Free running Current – 32mA
- Stall Torque – 27.2 in*oz
- Stall Current – 456mA
These motors have a shaft length of 9.3mm – check out the Specs tab for additional statistics, or the resources tab for a downloadable PDF performance datasheet.
Practically identical to the now out-of-production GM13 Sanyo NA3S, this N20-based gear motor offers a bit more speed at less cost to you!
The major difference between this model and the GM13 is that the front faceplate is brass, not steel. For that trade-off, we’re able to bring you a motor with similar performance at a better deal. Check the specifications:
Here are the performance measurements:
Running at 3V
- Free running RPM – 58
- Free running Current – 32mA
- Stall Torque – 18.7 in*oz
- Stall Current – 258mA
Running at 6V
- Free running RPM – 109
- Free running Current – 38mA
- Stall Torque – 31.5 in*oz
- Stall Current – 480mA
These motors have a shaft length of 8.6mm – check out the Specs tab for additional statistics, or the resources tab for a downloadable PDF performance datasheet.
Practically identical to our GM14 Sanyo NA4S, this N20-basded gear motor offers a bit more speed at less cost to you!
The major difference between this model and the GM14 is that the front faceplate is brass, not steel. For that trade-off, we’re able to bring you a motor with similar performance at a better deal.
Running at 3V:
- Free running RPM – 45
- Free running Current – 33mA
- Stall Torque – 35.1 in*oz
- Stall Current – 589mA
Running at 6V:
- Free running RPM – 77
- Free running Current – 44mA
- Stall Torque – 73.9 in*oz
- Stall Current – 1059mA
Check out the Specs tab for additional statistics, or the resources tab for a downloadable PDF performance datasheet.
Following the size standard of the GM11(a) series of gear motors, this 30:1 reduction unit is very quick – ideal for zippy robot applications! Combined with our RW2 rubber wheels, it’ll be a speed-demon!
Running at 3V
Free running RPM – 297
Free running Current – 32mA
Stall Torque – 3.56 in*oz
Stall Current – 292mA
Running at 6V
Free running RPM – 555.6
Free running Current – 54mA
Stall Torque – 5.39 in*oz
Stall Current – 528mA
For dimensions please see GM14a