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the pistons drive the crankshaft via the connecting rods, though on start up the starter motor drives the crankshaft in its proper rotation direction to get the ball rolling

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13y ago

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Which engine part changes the up-and-down motion of the pistons into rotary motion?

The crankshaft changes the up-and-down motion of the pistons into rotary motion in an engine. The connecting rods from the pistons are attached to the crankshaft, which rotates and powers the drivetrain of the vehicle.


What determines the final firing order on a normal car engine?

The way the crankshaft is built. Which controls the order that the pistons move up and down.


What happens if the crankshaft stops working?

The pistons stop going up and down.


Crankshaft is locking up when you tighten down your pistons?

wrong size bearings


How does the egine make the car move?

The engine has a crankshaft that is connected to all the pistons in the engine. When the engine is running the pistons are moving up and down and are turning this crankshaft. The crankshaft in turn is spinning a shaft connected to the transmission. The transmission is turning a driveshaft that is connected to the differential which in turn is turning an axle connected to the wheels.


What is the purpose of the crank shaft?

The crankshaft is an internal component of the engine that converts an up and down movement of the pistons to a rotational movement of the the crankshaft. This is provided to the powertrain for movement. The bottom of the pistons are attached to the crankshaft with main bearings.


What is the crankshoft?

A crankshaft is the part of an automobile that converts the force of the engine's pistons going up and down into the force that makes the wheels spin forward so that you can move. All cars require a crankshaft, and it is possible for them to need repairing.


What is the force that keeps the crankshaft turning?

The crankshaft has counterweights which are placed in such a way as to provide momentum when the the power stroke of any piston is absent. This drives the crankshaft to spin until the next power stroke of a piston drives it further.


What engine parts that move up and down?

pistons, cams, valves


What is the function of the crankshaft?

To turn a linear motion into a rotary motion.


What is the function of a cramshaft?

The function of a crankshaft is to convert the linear motion of the pistons into rotational motion, which ultimately powers the vehicle's wheels. As the pistons move up and down during the combustion cycle, the crankshaft rotates, allowing it to transfer energy to the transmission and drive the vehicle. It is a crucial component of an internal combustion engine, enabling efficient power delivery and engine operation.


The Car Needs Petrol Because?

Car engines burn fuel in cylinders. When the fuel burns the air in the cylinders expands. The expanding air pushes down on a piston. The piston pushes down on a crankshaft. Then the piston comes back up. The piston going down and up makes the crankshaft rotate. This rotating motion is transferred to the wheels of the car. That pushes the car along. Thus the fuel burning in the cylinders pushes the pistons. Without Petrol to burn in the cylinders, the pistons would not push the crankshaft. It would not make the wheels move.