1)A drawworks drum has a diameter of 30 in., a width of 56.25 in., and contains 1.25-in....
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1)A drawworks drum has a diameter of 30 in., a width of 56.25 in., and contains 1.25-in. drilling line. Calculate the approximate length offline to the first lap point. if the fast line tension is 50,000 Ibf, compare the drawworks torque when the drum is almost empty to the drawworks torque when the drum contains five laps.
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