Tamiya 70256 - Bipedal Walking Robot  [70256]

Tamiya 70256 Bipedal Walking Robot: A Hands-On STEM Experience

The Tamiya 70256 Bipedal Walking Robot is an engaging addition to the STEM educational series, designed for those interested in exploring basic mechanics and motion. This model offers a practical introduction to the principles of weight transfer and movement through its innovative walking mechanism.

Design and Functionality

Constructed from durable ABS plastic, this robot kit features a unique weight transfer unit that allows it to move by shifting its center of gravity. The included low RPM type 130 motor drives the robot's legs forward as it rocks side to side, demonstrating fundamental mechanical concepts in a tangible way.

Customization and Assembly

The Bipedal Walking Robot is designed for easy assembly with snap-fit and screw-together components, making it accessible for builders of varying skill levels. The legs and slides feature pre-drilled holes, allowing for customization with additional parts such as universal shafts or custom-made components. The assembly process takes approximately 120 to 180 minutes, offering a moderate challenge level of 3 out of 5.

Movement and Adaptability

With a gear ratio of 114.7:1, the robot moves at a speed of about 4.8 cm/s, ideal for smooth surfaces. Users can adjust the gearbox angle to influence the robot's direction, while limiters on the legs control its lean and stride length. An optional guide rod can be attached to help navigate around obstacles, enhancing its adaptability in dynamic environments.