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- Apprentice Mate Steersman (Western Rivers (Any Appropriate Tonnage)) »
- Q423 - Deck General
70. Which is the name given to the grooved wheel inside a block?
The sheave is the grooved wheel within a block, through which a rope passes. Blocks utilize sheaves to gain mechanical advantage, while cheeks form the block's outer sides. Gypsies and drums are components of windlasses or winches, not blocks.
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