Tamiya 70110 Crank Axle 4-Speed Gearbox - Educational Build Kit  [70110]

Tamiya 70110 4-Speed Crank Axle Gearbox Overview for Builds

The Tamiya 70110 4-Speed Crank Axle Gearbox is a reliable learning tool for makers and educators working on mechanical and robotic projects. It gives clear examples of how different gear ratios affect output.

Design features and gear choices

Engineered to slot into a variety of small assemblies, this gearbox keeps space requirements low while offering versatile gearing. The available ratios are 126:1, 441:1, 1543.5:1, and 5402:1, and two crank arms are supplied to support varied motion experiments.

Practical uses in workshops

From simple classroom demos to more advanced model tests, the Tamiya 70110 gearbox helps learners visualise torque tradeoffs and speed changes. It is compatible with many Tamiya construction parts to extend learning possibilities.