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Center of gravity of the counterbalance

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Reference no: EM132641179

A certain crank counterbalance has its center of gravity 33 in. from the center of the crankshaft when stroke length is 44 in. In order to reduce pumping speed, and thereby decrease peak polished rod load, it was decided to change the stroke length to 64 in. What will be the new distance from the center of gravity of the counterbalance to the center of the crankshaft if it is desired to keep the counterbalance effect the same?

Reference no: EM132641179

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