Making Heavy Lifting Easy with a 4 to 1 pulley
If you've ever had to hoist something heavy by yourself, you probably know how much of a lifesaver a 4 to 1 pulley system can be. It's one of those simple mechanical wonders that makes you feel like you have superhuman strength, even if you're just pulling a rope in your garage or out in the woods. Essentially, it's all about trading distance for effort. You pull more rope, but the weight feels significantly lighter—four times lighter, to be exact, at least on paper. ...