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  1. NismoMe

    crankshaft counterweight mass vs. main bearing life questions.

    The engine is a standard 90 degree V8: Engine layout: -2-4-6-8 1-3-5-7- My firing order: 1-8-5-4-7-2-3-6 The crank is "balanced" as far as having an opposing throw on the crank for every throw. I understand that the whole rotating assembly is not balanced to the second order and should have...
  2. NismoMe

    crankshaft counterweight mass vs. main bearing life questions.

    I am in the middle of designing a single plane V8 crankshaft and am trying to figure out how to determine what mass of a counterweight I need to have as to not wear the main bearings quickly. Naturally a crankshaft of this type is "balanced" because the opposing side of the crankshaft cancels...

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