I always enjoyed the guys who had portable contraptions they’d hoist onto our shop’s workbench ... for their variable speed feederhouse drive sheaves to help deal with high operating temperatures.
Pulley blocks are assemblies that consist of a hook or shackle, swivel, bearing, sheaves, sprockets, pins and frame. They are suspended by a hoisting rope or load chain and are designed for a variety ...
Block: An assemblage of one or more sheaves (pulley ... the handles that power the winches used to hoist and trim the sails. Halyard: A line used to hoist and hold up a sail.