Tamiya Double Gearbox Kit incl. Motors

The Tamiya double gearbox is a compact unit with two independent motors and gear trains.

The kit includes two motors and all gears and parts to build any of the four possible gear ratio configurations (12.7:1, 38:1, 115:1, and 344:1). Although it is not typical, it is possible to assemble each side with different gear ratios. There are two possible output axle locations (for any given gear ratio, only one output location is possible).

The output shafts are 3 mm hexagonal axles that are 10 cm (about four inches) from tip to tip. The axles work with any of the Tamiya wheels, giving you many options for your robot speed.

The low-voltage motors run on 3-6 volts and draw up to a few amps, making them perfect candidates for the  DRV8833 motor driver carrier. Motor overheating can be caused by excessive stalling, even at very low voltages. We recommend that you use stall-detection sensors, or just watch your robot, to make sure that it doesn’t stall for more than a few seconds at a time. For motor specs, see the Mabuchi motor FA-130 data sheet.

Note: The universal gearbox kit is a kit; assembly is required. To use the kit in robotics projects, you need to connect the motors to your own robot controller.

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