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Does the tachometer on a car measure crankshaft rpm or engine rpm considering that the crankshaft rotates twice for each full cycle of the engine in a four stroke engine?
The tachometer is an electrical device that senses the ignition system. It indicates engine RPM (revolutions per minute). Engine rpm and crankshaft rpm are two ways of expressing the same thing. True, the crankshaft does rotate twice for each complete set of cylinder firings but the tachometer counts each rotation.
What else can I help you with?
What is twisting in cars?
crankshaft The crankshaft rotates. A torsion bar twists.
What device assures that the flywheel rotates with the crankshaft?
Bolts
An automotive engines canshaft rotates at?
The engine's camshaft rotates at half the speed of the crankshaft. The crankshaft turns two full turns for every one full turn of the camshaft.
Does a 1991 integra have a crankshaft speed fluctuation sensor?
There is a crankshaft position sensor that measures how fast it rotates
How is mechanical tachometer used for measuring angular velocity?
A mechanical tachometer typically uses a rotating shaft connected to the moving object to measure its angular velocity. As the object rotates, the shaft spins and moves the pointer on the tachometer dial, displaying the angular velocity in revolutions per minute (RPM). The speed of rotation is directly proportional to the angular velocity of the object being measured.
Does the camshaft rotates at what speed?
One half the speed of the crankshaft.
Rotates the crankshaft as the piston moves down the cyliner?
i am doing a coures in tafe inspect and service engines and i would like to know this rotates the crankshaft as the piston moves down the cylinder
An automotive engine's camshaft rotates?
one half the speed of the crankshaft.
An automotive engines camshaft rotates at?
An automotive engine's camshaft rotates at A. the same speed as the crankshaft. B. one-quarter the speed of the crankshaft. C. one-half the speed of the crankshaft. D. twice the speed of the crankshaft.
Do the pistons turn the crankshaft or the crankshaft turn the pistons?
Technically both, before the vehicle is running on its own via combustion the crankshaft rotates and moves the pistons, once combustion has occurred the pistons take over if you will and turn the crank which rotates the next piston into position for combustion
What is a crank bearing?
It's a bearing that the crankshaft of an internal combustion engine rotates on.
What holds the crankshaft in position as it rotates?
The main bearings and main bearing caps.
