crankshaft

[ krangk-shaft, -shahft ]

/ ˈkræŋkˌʃæft, -ˌʃɑft /

a shaft having one or more cranks, usually formed as integral parts.

Origin of crankshaft

First recorded in 1850–55; crank¹ + shaft

crank-up, crankcase, crankle, cranko, crankpin, crankshaft, cranky, cranmer, crannequin, crannied, crannog

The camshaft and magneto were driven by the crankshaft through a three-member train of spur gears (see Figures 9, 10 and 11).

The Wright Brothers' Engines and Their Design |Leonard S. Hobbs.
A heavier flywheel, with a governor resting in the upper recess, was pressed onto the crankshaft.

Smithsonian Institution - United States National Museum - Bulletin 240 |Anonymous
A slotted link is used with a crankshaft for regulating the length of stroke.

Scientific American Supplement, No. 1157, March 5, 1898 |Various
The cylinders were cast in pairs and bolted to a two-piece aluminum case split at the line of the crankshaft.

The Wright Brothers' Engines and Their Design |Leonard S. Hobbs.

After keying the flywheel to the lower end of the crankshaft, Charles and Frank decided to make an attempt to run the engine.

Smithsonian Institution - United States National Museum - Bulletin 240 |Anonymous

crankshaft

/ (ˈkræŋkˌʃɑːft) /

a shaft having one or more cranks, esp the main shaft of an internal-combustion engine to which the connecting rods are attached