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Importance of flywheel

1. flywheel stores energy during powerstroke which can be utlised during the compression stroke, this function is not much evident in m/e as crank shaft and propeller act as inertia load

2. Gear toothed flywheel is necessary to turn engine quite easily during maintenance and various inspection and for slow turning the engine befor starting
3. It also assist to hold the speed of engine in desired range while governor alters the fuel supply
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