Solarbotics GM9 143:1 Gear Motor 90 deg. Output
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This 143:1 gearmotor (gearbox with brushed DC 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.
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. Solarbotics makes a mounting bracket that works with this motor, and our L-brackets and extended L-brackets for plastic gearmotors are also compatible with this motor (though you might need longer screws than the ones included with the Pololu brackets).
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
- 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
Solarbotics GM9 gearmotor dimensions (in mm).
Though the product picture shows two gearmotors, this product is for a single motor.
People often buy this product together with:
|Solarbotics GM3 224:1 Gear Motor 90 deg. Output|
|Solarbotics GM7 120:1 Mini Gear Motor 90 deg. Output|
|Solarbotics GM8 143:1 Gear Motor Offset Output|