The wire rope line from the rescue truck’s winch travels out and goes around the pulley (sheave) of the snatch block, making a U-turn.

Snatch blocks are like pulleys, but their halves rotate so you can get your rope in there without threading it through as you would with an actual pulley.

Long passed are the days of manila rope and wooden block and tackles. Now, we puff out our chest with high-efficiency, ball bearing pulleys and auto-locking carabiners. Much like cellphones, it ...

Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of ...