How to make a rope pulley system

Written by carl pruit | 13/05/2017
How to make a rope pulley system
Lift heavy objects with a homemade rope pulley system. (venemama/iStock/Getty Images)

If you need to move something heavy, but don't have the tools or manpower to lift the object, you can harness the power of leverage by using a rope pulley to shift the item. Engineers use rope pulleys to move large and heavy objects that would normally take several people to move.

Tie one end of the rope to the large object you want to move. Stretch the rope out and tie a figure-8 knot in the middle of the rope leaving about a 1.2 metre (4 feet) loop in the rope. To make a figure-8 knot, grab a length of the rope and double it, leaving about a 1.2 metre (4 feet) loop at the end. Curl the rope you have in your hand under the section of rope that is tied off and loop the end between the tied off section and the rope you have in your hand. Pull the length of rope all the way through, creating the loop.

Take the loose end of the rope and run it around the fence post or tree at mid-level height with the object to be moved. Bring the loose end of rope back to the loop. Thread the end of the rope through the 1.2 metre (4 feet) loop in the rope.

Tighten up any slack in the rope so you can get a good grip. You will pull the object along the ground, so make sure the item to be moved is clear of any obstacles or anything that would get in the way of it moving.

Pull back on the rope and watch the large object move using the rope pulley system you created. The leverage of the rope pulley created more power, enabling you to lift the heavy object.

Things you need

  • General purpose rope
  • Fence post or tree

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