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Tamiya 72003 High-Power Gearbox Kit

With possible gear ratios of 41.7:1 and 64.8:1, the high-power gearbox is well-suited for most vehicles that require a balance of speed and torque.

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The Tamiya 72003 high-power gearbox can be built in a gear ratio of 41.7:1 or 64.8:1, making it well-suited for most vehicles that require a balance of speed and torque.

The low-voltage motors in the high-power gearbox run on 3-6 volts and draw up to a few amps, making them perfect candidates for the Pololu low-voltage dual serial motor controller. The Pololu Orangutan LV-168 robot controller, which incorporates these low-voltage motor drivers, would be a great control center for a robot using these motors. 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.

The 4mm, round output shaft on this gearbox is compatible only with Tamiya’s sports tire set and narrow tire set.

For motor specs, see the Mabuchi motor RE-260 (#2295) data sheet (59k pdf). To compare all Tamiya gear box kits, see the Tamiya Gearbox Gear Ratio Comparison.

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