Solar-Powered RC Car with Hub-less Front Wheels

This is a radio controlled solar powered car, that has no wheel hubs for the front wheels. It is a tricycle configuration with two front wheels and one rear wheel. The rear wheel is driven by a single brushed motor, and steered with a single servo in a pull/pull set-up. The solar cells are mounted on the top such that no other vehicle component can cast a shadow on them. The hub-less front wheels use standard M3 bore 3D printer belt pulleys that many users might already have in their spare p