Tamiya 70188 Mini Motor Gearbox 8-Speed Educational Kit  [70188]

Tamiya 70188 Mini Motor Gearbox - 8-Speed: Compact Learning Gearbox

The Tamiya 70188 gearbox provides a compact platform for exploring gear mechanics and simple drivetrain layouts. Its eight gear settings make it ideal for hands-on maker sessions and student projects.

Construction and Motor

Powered by a type 030 motor, this unit keeps current draw modest and operates with low noise. The transparent casing shields the gearing while allowing visual inspection of component movement during trials.

Connections and Uses

With a 3mm hex output and universal attachment points, the gearbox integrates with a range of Tamiya hobby parts and small model assemblies, making it handy for modular educational builds and maker experiments.

Ratio Adjustment Options

The eight selectable ratios span from 7.5:1 up to 87.8:1 so you can balance top speed against torque for different tasks. Adjustments are made by changing pinion and final gear placements, giving direct experience of mechanical tradeoffs.