crankshaft etymology

Etymology:

The word "crankshaft" is derived from two sources:

• "Crank": A bend or angle in a rod or shaft, used to convert rotary motion into linear motion (or vice versa).
• "Shaft": A long, slender, rotating rod.

Meaning:

A crankshaft is a mechanical component consisting of a rotating shaft with cranks (or bends) at specific intervals.

Origin:

The earliest known crankshafts were used in waterwheels and windmills in ancient China around the 1st century AD. These devices converted the rotary motion of the water or wind into linear motion to pump water or grind grain.

Over time, crankshafts became more sophisticated and were used in various applications, including:

• Steam engines: To convert the linear motion of pistons into rotary motion for driving wheels.
• Internal combustion engines: To convert the reciprocating motion of pistons into rotary motion for driving the crankshaft and generating power.

The modern crankshaft design, with multiple throws (cranks) arranged at specific angles, was developed in the 19th century. This design allows for smooth and efficient conversion of reciprocating motion to rotary motion.

crankshaft relate terms

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  Etymology Middle English cranken from Old English cranc a bend turn or twist

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