Community Tip - Learn all about the Community Ranking System, a fun gamification element of the PTC Community. X
The video is here. The origin video an the Mathcad 15 file - see below.
It is an engine for a german (old) plan (4 cylinders - a cross). We can create same motor for USA, Russia and China (5 cyinders), for Israel (6 cyinders) and... EU (24 cyinders)