Quote:
Originally Posted by 40 Deluxe
Food for thought while eating breakfast: A heavy flywheel has a dampening effect, stores kinetic energy, and smooths out firing impulses. The thing is, each firing impulse tends to briefly speed up the crankshaft but that heavy flywheel prevents this, so something has to give! What is the result? Torsional twist, or flex, of the crankshaft. So a heavy flywheel stresses the crank more than a light one. It's not just the weight, it's 4 cylinders each trying to speed up the crank while that big flywheel resists.
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Yep, what we need is a spring center flywheel, like the clutch disc.
