This is the Yamaha Niken. “Ni” means two in Japanese. The motorcycle has two front wheels instead of one. It was shown off at the 2017 Tokyo Motor Show. Yamaha …
Input: orange wheel. It pushes the carriage thanks to friction force. Yellow wheels and pink plates help the carriage change moving direction. The pink plates are fixed to the carriage …
A 3-wheeled carriage moves along a rail consisting of straight, convex, concave and transitional portions. To maintain a continuous gapless contact between the wheels and the rail, the widths of …
When is an electric car not an electric car? When it’s a three-wheeled motorcycle. Mashable’s transportation reporter Nick Jaynes took the Arcimoto SRK electric motorcycle for a spin in Venice, …