It had been well known while in the early 20th century for its simplicity of use in comparison to absolutely handbook gearboxes of that time.  Hence the output spins the moment for every two-thirds of the rotation in the engine. In case the motor is turning at 2000 rotations for https://gearboxauto59247.humor-blog.com/32749579/5-tips-about-gearbox-auto-you-can-use-today