also: https://en.wikipedia.org/wiki/Mecanum_wheel https://en.wikipedia.org/wiki/Mecanum_wheel "The mecanum wheel is an omnidirectional wheel design for a land-

also: https://en.wikipedia.org/wiki/Mecanum_wheel https://en.wikipedia.org/wiki/Mecanum_wheel "The mecanum wheel is an omnidirectional wheel design for a land-based vehicle to move in any direction" Would be interesting to have a bunch of these extend out from below the car. It would double as an inbuilt jack too.