| differential windlass n. A hoisting device that has two drums of different sizes on the same axis. A line wound on the larger and unwound from the smaller drum provides extra lifting power. Also called Chinese windlass. |   A differential windlass requires minimum effort to lift considerable weight. |
differential windlass
n
(Engineering / Mechanical Engineering) a windlass employing the velocity ratio incurred in unwinding from a small drum while winding onto a larger drum rotating at a common speed Also called Chinese windlass
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