Originally Posted by RallyBob
Another method of lightening a crank is via streamlining or 'teardropping' the counterweights... This method is cheaper in cash payout compared to paying a machine shop to perform either of the other mentioned techniques, since I can do it myself with a grinding disc rather than a large lathe.
Bob
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Bob,
I didn't realize one could just hand grind the counterweights by hand and have it rebalanced. I figured it had to be a little more precise than that. I may have to try it sometime. It is my understanding that the tear drop shaping of the counterweights is preferred over knife edging.
Harold