Tamiya 70110 4-Speed STEM Gearbox - Hobbyist Crank Axle Kit  [70110]

Tamiya 70110 4-Speed Crank Axle Gearbox Summary

The Tamiya 70110 4-Speed Crank Axle Gearbox is a versatile component aimed at those learning about mechanical drives and robotics. It enables straightforward exploration of gear effects in small-scale projects.

How the gearbox is built and used

Designed for easy integration, the gearbox takes up little space while offering four gear settings. The supplied ratios are 126:1, 441:1, 1543.5:1, and 5402:1, and two crank arms allow for creative motion setups and linkages.

Applications and compatibility notes

Useful for both introductory demonstrations and more involved hobby builds, the Tamiya 70110 unit pairs well with other Tamiya kits to teach concepts like gear reduction, torque multiplication, and motor behaviour.