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Whether you find yourself in the backcountry on a hiking trip, working on a home project, or standing in the wake of a natural disaster, you may encounter the need to move something heavier than you can safely move by yourself. In those situations, you can apply a few pieces of lightweight and relatively inexpensive equipment to take off some of the load.
Recalling a little grade school science, there are six types of simple machines: lever, wedge, screw, inclined plane, wheel and axle, and pulley. From this list, you can employ a pulley in the aforementioned scenarios to lighten your workload by half or more by utilizing mechanical advantage. Simply put, rope-based mechanical advantage is using ropes and pulleys to leverage force.
A haul system is the utilization of rope and a few basic components to create mechanical advantage in order to lift or move someone or something. You don’t have to be a rope expert to be able to construct a haul system. You can use a high-tech physics concept and make it low-tech, easy, and useful.
Using ropes to make difficult work easier has a variety of uses from the mundane to crucial. Rope-based mechanical advantage can be seen in use by landscapers and furniture movers. It can be used to hoist camping gear vertically to a higher elevation. Rescue teams use haul systems all the time to move patients in both the horizontal and vertical realms. Ropes and pulleys are also often seen in post-disaster conditions when large pieces of structure need
