Tamiya 89917 Single Gearbox Kit - Clear
The single gearbox is perfect if you like the gear ratio options of the 70168 double gearbox but need just one motor or added flexibility in positioning multiple output shafts. Available gear ratios are: 12.7:1, 38:1, 115:1, or 344:1.
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Note: This gearbox is now only available in gray.
The Tamiya single gearbox is essentially half of the Tamiya 70168 double gearbox. The kit can be built with gear ratios of 12.7:1, 38:1, 115:1, and 344:1. There are two possible output axle locations (for any given gear ratio, only one output location is possible).
- 70167 single gearbox — This gearbox is solid gray and comes packaged in a box.
- 89917 single gearbox — This gearbox is clear and comes packaged in plastic bag.
|Tamiya 89917 single gearbox kit – clear.|
The output shafts included in this kit 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 we carry, 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 Pololu low-voltage dual serial motor controller and 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 (#18100) data sheet (58k pdf).
Note that you can replace the motor in this kit with a lower-current, higher-voltage motor if you want to use this gearbox with controllers such as the qik 2s9v1 dual serial motor controller, TB6612FNG dual motor driver carrier, or Baby Orangutan B-328 robot controller.
To compare all Tamiya gear box kits, see the Tamiya Gearbox Gear Ratio Comparison.
Note: The single gearbox (4-speed) is a kit; assembly is required. To use the kit in robotics projects, you need to connect the motors to your own robot controller.
People often buy this product together with:
|Tamiya 70105 3mm Diameter Shaft Set|
|Tamiya 70111 Sports Tire Set (2 tires)|
|Brushed DC Motor: 130-Size, 6V, 11.5kRPM, 800mA Stall|