Calculates the dimensions and parameters of a pulley and belt system:
* Angular speed ,
* Wrap angle ,
* Driven pulley,
* Driver pulley,
* Speed ratio,
* Center distance,
* belt length,
* belt speed,
* belt tension,
* power motor,
* torque.
Use for the design and manufacture of machines with pulley and belt transmission mechanisms, banded V belt or flat belts.