CRANKSHAFT MECHANISM:
The crankshaft is a mechanism that transforms rotary movement into linear movement, or vice versa. For example, the motion of the pistons in the engine of a car is linear (they go up and down).But the motion of the wheels has to be rotary. So, engineers put a crankshaft between the engine and the transmission to the wheels. The pistons of the engine move the crankshaft and the movement becomes rotary. Then the rotary movement goes past the clutch and the gear box all the way to the wheels.
Advantages:-
1: Suitable for high pressure.
2: Easy mechanism.
Disadvantages:
1:lt sounds too much.
2: May get collapsed in rainy season.