Block And Tackle Rigging Diagram

A block and tackle system amplifies the tension force in the rope to lift heavy loads. Look at the single block and see some of the ways you can use it.

How To Set Up A Double Pulley System

Learn the names of the parts of a block.

Block and tackle rigging diagram. In the diagram shown here the number of rope sections of the tackles shown is as follows. Can influence the type of tackle block required. Tackle block warning use maintenance information 13 1 13.

A double pulley system also known as a block and tackle consists of the pulleys or blocks and the tackle the ropes riven through the blocks. In this diagram the pulley attached to the weight actually consists of two separate pulleys on the same shaft as shown on the right. Rig a block and tackle using a combination of rope or cord lines and pulleys.

They are common on boats and sailing ships where tasks are often performed manually. Rope or tackle called the fall block and tack or block and fall. The following diagram adds a third and fourth pulley to the arrangement.

Lay the blocks on the deck 2 to 3 feet apart with one block on its side and the other on its face. Rigging a block and tackle system is simple and involves nothing more than properly hanging the rope on the pulleys and then tying the whole thing off. The bottom block will attach to the load.

Videos how tos weve found some interesting videos to help explain how block and tackle pulley systems work. This arrangement cuts the force in half and doubles the distance again. How to build and assemble the aztek elite kit simple pulley system from rescue response gear duration.

Rigging lab academy 157781 views. When selecting a block for the system in your specific applica tion you should consider the other elements as well as the features of the blocks shown in crosby group literature. Figure 2 1 will give you a good start on this.

The traditional block and tackle uses rotating pulleys but a sturdy pivot point such as rock climbers carabiners. Reeving blocks to set up a double pulley system requires a little thought. Blocks and sheaves the crosby group inc.

The hooks should point away from each other. An assembly of blocks with a rope threaded through the pulleys is called tackle. You can add more pulleys with the same method until you get the desired increased mechanical advantage to lift the required amount of weight.

These systems distribute weight across the pulleys and allow a person to lift much heavier loads than possible by hand. In the navy youll rig a block and tackle to make some of your work easier. The block lying on its side will be the upper block of the tackle.

You must decide if you will use a double pulley system with one sheave the roller in a. If you lash a single block to a fixed object an. Understanding the block and tackle.

Block And Tackle Wikipedia