This high-quality metal gearmotor is a compact (1.66" x 0.46" x 0.60") motor with an enclosed 24:1 metal gearbox. These units have a 0.275"-long, D-shaped output shaft, and they are intended for 4.5-6 V operation.
Gearmotor Dimensions:
This motor has a 0.275" (7 mm) D-shaped metal output shaft that almost perfectly matches the Solarbotics RW2 rubber wheel. The face plate has two mounting holes threaded for M2 screws.
Specs for the metal gearmotors running at 6 V:
| gearmotor |
gear ratio |
free-run RPM |
free-run current |
stall current |
stall torque |
weight |
| 100:1 Micro |
100:1 |
120 |
30 mA |
360 mA |
10 oz-in |
0.35 oz/10 g |
| 100:1 Mini |
100:1 |
140 |
90 mA |
800 mA |
15 oz-in |
0.8 oz/27 g |
| 30:1 Micro |
30:1 |
440 |
40 mA |
350 mA |
5.5 oz-in |
0.35 oz/10 g |
| 24:1 Mini |
24:1 |
410 |
70 mA |
420 mA |
3.8 oz-in |
0.8 oz/27 g |
