Crank journals, rod journals, flywheel flange and counter weights.
The crankshaft converts the linear motion of the piston into rotation of the crankshaft.
A crankshaft converts reciprocating motion into rotational motion.
it is used to move the axel
To drive the belts
The purpose of the crankshaft is to change vertical motion into horizontal motion.
it connects the piston to the crankshaft
The purpose of a connection rod is to provide fluid movement between pistons and a crankshaft.
spark to ign through the computer
lubricates the crankshaft and pistons
To covert linear motion (pistons) into radial motion (flywheel)
The cooling hose flange is usually not equipped with a plug. That would defeat the purpose of having a cooling hose. If the flange pulls out of the radiator, you will loose all the coolant and you should shut down the engine so it won't burn up.