Published on September 30, 2017
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 frame.
Pay attention to the removing portions of the runway wall at it inner corners.
The yellow wheel radius is equal to the runway profile radius at its inner corners.
This mechanism has just been created on the computer. It needs to be verified in practice.
