Text-Book of Seamanship - Part 1
30 Mar 2017 ... So far, the principles of wind the wire rope of pulley blocks for most equipment ... Steel rope end fixed on the drum should be wound at least 3 safety cycles, which ensure that there is enough friction that the rope cannot be drawn from the rope clamp. The four-rope lifting system of movable includes 8 ropes.
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bulkcn's website is bulkcn.com