Tamiya 70113 STEM 4 Wheel Drive Chassis - Dual Star Kit  [70113]

Introduction to the Tamiya 70113 4 Wheel Drive Chassis Kit

The Tamiya 70113 4 Wheel Drive Chassis Kit is designed to teach core mechanical ideas through building and testing. This STEM Series model is useful for anyone wanting to learn how a shaft-drive 4WD system transfers power and affects handling.

Frame Construction and Assembly

The kit features a pre-cut wooden chassis that speeds up construction while retaining strength. The shaft-drive arrangement distributes drive to each wheel, giving a good demonstration of how full-size 4WD systems work in practice on rough surfaces.

Drive Components and Performance

Power is sent from the central gearbox to the outer gearboxes along a hex shaft, creating dependable four-wheel drive. Semi-pneumatic tyres improve traction across mixed surfaces and a roll bar is provided to protect the chassis during rollovers.

Practical Uses and Experimentation

Builders can use this kit to explore gear interactions, torque distribution and chassis response. It is suitable for project work, club sessions and individual experimentation where component swaps can illustrate engineering effects.