1960 – Cycloidal Propulsion Omnidirectional Drive – Howard Hansen (American)

CLARK'S experimental cycloidal machine. Two non-drive rear wheels counter torque. Source: Mechanix Illustrated, April 1963. CYCLOIDAL PROPULSION A revolution in land vehicles may come from this new invention which can provide perfect maneuverability. PUT a pencil at the top of a sheet of paper and start making loops—as if you were practicing a capital O, …