differential windlass
noun
a pair of hoisting drums of different diameter turning at the same rate, such that a pulley suspended below them on a line wound on the larger drum and unwound from the smaller drum is raised with mechanical advantage.
Also called
Chinese windlass.
Words nearby differential windlass
British Dictionary definitions for differential windlass
differential windlass
noun
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