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Solarbotics GM9 143:1 Gear Motor 90 deg. Output
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Pristatymas 1-2d.
Solarbotics GM9 143:1 Gear Motor 90 deg. Output
This 143:1 gearmotor (gearbox with motor) is a faster version of the GM3 gearmotor. It is a great low-cost alternative to modified hobby servos or Tamiya gearboxes. The low-current motor is a perfect match for our qik 2s9v1 dual serial motor controller, and the compact size makes this unit an attractive choice for small robot designs.
This gearmotor comes pre-assembled, with the gears fully enclosed. There are built-in mounting holes, and the output shaft is 7 mm in diameter with two sides flattened. Please note that the output shaft is slightly shorter than on the GM2 and GM3 gearmotors. This motor also comes with a built-in safety clutch.

This gearmotor comes pre-assembled, with the gears fully enclosed. There are built-in mounting holes, and the output shaft is 7 mm in diameter with two sides flattened. Please note that the output shaft is slightly shorter than on the GM2 and GM3 gearmotors. This motor also comes with a built-in safety clutch.
Compatible products include a custom-molded GMPW plastic wheel, and the Solarbotics GMW motor mount, which can be used as a wheel itself or as a mounting point for other wheels or mechanisms. A mounting bracket is not required but can be purchased separately for more versatile installation.
For similar gearmotors, you might want to take a look at:
- Less expensive: Pololu 120:1 plastic gearmotor 90-degree output
- Higher torque: GM3 gearmotor
- Parallel output shaft: GM8 gearmotor
- Smaller: GM7 gearmotor
To increase the power of this gearbox, you can replace the motor with a higher-power RM2 motor. For a replacement motor, see the RM3 motor.
Specifications
- Description: 90-degree
- Gear ratio: 143:1
- 3 V Operation:
- No-load RPM: ~ 40
- No-load current: ~ 50 mA
- Stall current: ~ 400 mA
- Stall torque: ~ 44 oz-in
- 6 V Operation:
- No-load RPM: ~ 78
- No-load current: ~ 52 mA
- Stall current: ~ 700 mA
- Stall torque: ~ 76 oz-in
- Weight: 33 g







