London inventor of new omni-directional wheels says his prototype is better than existing products

Big wheels keep on turning – forwards, backwards, sideways and diagonally. That’s the idea behind Londoner William Liddiard’s new invention, an evolution of the omni-directional wheel. It allows for a vehicle to turn 360 degrees without any friction, as well as to roll sideways. Omni-directional wheels, or mecanum wheels, have been around for the past 50 years.Companies such as Honda and Toyota have already invented several different versions. Liddiard said his wheel has a better design, and can function on all surfaces.”

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