Today’s invention reinvents the wheel…again. It started by thinking about how animals like the cheetah move at speed by flinging back legs forward over front legs which are gripping the ground -even very rough ground.
A vehicle (blue) is fitted with a large number of axles. Each has a cylindrical sleeve on both ends which rotate with the axle. In the sleeve, a ‘leg’ is located, so that it can be driven axially within the sleeve (perhaps by use of a screw thread driven by a motor on each axle).
The vehicle would have many wheels operating in sequence, as shown -allowing the overlapping legs to reach forward, grip the ground, push backwards and then be withdrawn axially (or rotated) for a new cycle.
This would allow rapid cross-country movement, potentially with no vertical motion of the vehicle body.