What stores kinetic energy during the power strokes in an engine?

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The flywheel is responsible for storing kinetic energy during the power strokes in an engine. As the engine operates, the power stroke forces the piston down, which in turn rotates the crankshaft. This rotation transfers energy to the flywheel. The flywheel accumulates this kinetic energy, allowing it to smooth out the power delivery and maintain the momentum of the engine. By doing so, it helps the engine run more smoothly and prevents it from stalling between power strokes, which is particularly important in multi-cylinder engines where power delivery is intermittent.

The camshaft, while crucial in controlling the timing of the valves, does not store kinetic energy. The piston is involved in converting the fuel's energy into mechanical movement but does not act as an energy reservoir. Lastly, while the crankshaft helps convert linear motion from the pistons into rotational motion, it does not have the energy-storing capacity that the flywheel does. Thus, the flywheel is the key component in storing and managing kinetic energy in an engine.

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