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120:1 Plastic Gearmotor, Offset Output
This 120:1 gearbox with brushed DC motor has a low-current motor and provides power and speed that is comparable to an RC servo at a fraction of the cost. It has a recommended operating voltage range of 3 V to 12 V.
voltage | no-load performance | stall extrapolation |
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6 V | 85 RPM, 70 mA | 5.4 kg⋅cm (75 oz⋅in), 800 mA |
Description | Specs (9) | Pictures (11) | Resources (2) | FAQs (1) | On the blog (2) |
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Overview
Inside the gearbox of the 228:1 plastic gearmotor with offset output. |
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This 120:1 plastic gearmotor (gearbox with brushed DC motor) 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, Baby Orangutan robot controller, or DRV8833 dual motor driver carrier, and the compact size makes this unit an attractive choice for small robot designs. The recommended operating voltage range for this motor is 3 V to 12 V.
This is a lower-torque, higher-speed version of the 228:1 plastic gearmotor offset output. At 6 V, the gearbox and motor provide approximately 75 oz-in of torque and 85 RPM. The free-running current is 70 mA, and the stall current is 800 mA. The gearbox is protected by a built-in safety clutch that will typically slip before gear teeth can shear.
This gearmotor comes pre-assembled, with the gears fully enclosed, and the output shaft is 6 mm long and 7 mm in diameter with two sides flattened. The output shaft is along the same axis as the motor shaft, but offset; we also sell a version of this gearmotor with a 90° output shaft.
There are two built-in mounting holes that work with our stamped aluminum L-bracket and extended stamped aluminum L-bracket, as shown in the pictures below:
A custom-molded GMPW plastic wheel for this gearmotor is available in a variety of colors.
Details for item #1119
Exact gear ratio: ``(36×32×37×24) / (8×14×9×8) ~~ bb(126.86)``
This 120:1 gearbox with brushed DC motor has a low-current motor and provides power and speed that is comparable to an RC servo at a fraction of the cost. It has a recommended operating voltage range of 3 V to 12 V
voltage | no-load performance | stall extrapolation |
---|---|---|
6 V | 85 RPM, 70 mA | 5.4 kg⋅cm (75 oz⋅in), 800 mA |
Dimensions
Dimensions of the 120:1 and 228:1 plastic gearmotors with offset outputs. Units are mm over [inches]. |
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This diagram is also available as a downloadable PDF (242k pdf).
People often buy this product together with:
Brushed DC Motor: 130-Size, 6V, 11.5kRPM, 800mA Stall |