Rescue Catalog > Mechanical Advantage Systems

Mechanical Advantage Systems

A mechanical advantage system, also known as a block and tackle is a compound pulley system designed to reduce the amount of force required to lift a load.

MARS 99 Systems Bi-directional mechanical advantage system that can easily be configured from a 3 :1 up to a 5 :1 mechanical advantage.

4:1 Rescue Mechanical Advantage Systems The Mars System is a pre-rigged/pre-packaged 4:1 mechanical advantage lifting-lowering sys-tem using a double camming pulley. Pre-packaged lengths are 25', 50', 75' and 100'. Custom lengths available-call for price.

Short Haul Systems Lightweight, compact 4 to 1 mechanical advantage systems used to effect line transfers or other confined space applications.