Comment by the__alchemist
5 years ago
Question from the part of the article where the piston is introduced: We know what constrains the up and down positions of the piston; What constrains the direction of rotation of the crank?
5 years ago
Question from the part of the article where the piston is introduced: We know what constrains the up and down positions of the piston; What constrains the direction of rotation of the crank?
The crank's angular momentum, which is originally derived from the turning of the starter motor.
Thank you. So the engine can go either way, and the direction is determined by the initial rotation?
As far as I know, yes.