differentialwindlass

differentialwindlass
differential windlass A differential windlass requires minimum effort to lift considerable weight. Clarinda/Academy Artworks 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.

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Universalium. 2010.

Игры ⚽ Поможем сделать НИР

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