Block and tackle

A block and tackle system can be rigged to advantage or rigged to disadvantage, depending on the needs of the people arranging the set-up. Friction on the pulleys ultimately limits the work that can be done by block and tackle pulley systems in practice, though they are still common.

Block and tackle, combination of a flexible rope, or cable, and pulleys commonly used to augment pulling force; it can be used to lift heavy weights or to exert large forces in any direction. In the Figure there are four freely rotating pulleys, two on the upper block, which remains fixed, and two

Discover hacks, tips and tricks to help you solve any problem in your home, repurpose used items and more.

Following are the different types of pulleys: #1 Fixed pulley #2 Movable pulley #3 Compound pulley #4 Block and tackle pulley #5 Step pulley

Functional & Decorative Wooden Block and Tackle: Now and then living on the West Coast of Canada, I've come across old wooden marine pulley blocks. More often than not they would have a wood body and a steel pulley a few of the older ones have wood pulleys, they are often used in home decor. So j…

A fascinating article that describes how a block and tackle (as well as levers and gears) works!

About this item Rust-proof zinc-plated housing, safety hooks hold hoist safely in place; Along with 2pcs 18-inch Soft Loops Metal wheels with bearing structure, more labor-saving; Soft loop, Strong, long lasting polypropylene rope 50 Feet of 4.5mm Poly Rope with 2000 Breaking Strength and 1000 lbs Load Cap; ideal for lifting small and large items The pulley system has a 5:1 lifting power ratio, allowing you to lift heavy objects with 1/6th of the force. Able to lift heavy objects easily with…

Photo about Block and tackle lifting equipment on a boat. Image of pulley, vessel, sail - 11944305