1964-70 – Rotoped Walking Wheel – Julius Mackerle (Czechoslovakian)

The Incredible No-Torque "Walking" Machine It can turn on its axis, "walk" sideways, and tackle the roughest terrain and unbelievable gradients by DAVID SCOTT /PS European Editor The zaniest ride I've ever had was at the wheel of this weird walking-wheel vehicle on a grassy hillside in a Prague suburb. What's it like? Something like …