Examples from the Web for crankshaft
The camshaft and magneto were driven by the crankshaft through a three-member train of spur gears (see Figures 9, 10 and 11).
A heavier flywheel, with a governor resting in the upper recess, was pressed onto the crankshaft.
A slotted link is used with a crankshaft for regulating the length of stroke.
The cylinders were cast in pairs and bolted to a two-piece aluminum case split at the line of the crankshaft.
After keying the flywheel to the lower end of the crankshaft, Charles and Frank decided to make an attempt to run the engine.