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Mechanical Tools for Your Easier Work
In our daily life, there are many industries in which you may have to lift some heavy things. Under those circumstances, the applications of some basic technology can help you a lot. You are able to lift something that you can not carry with the help of some tools.
Pulley is one important mechanical tool. A pulley is a wheel with a grooved rim. A pulley mounted in a frame is called a block. A block containing a single pulley is called a single block; one with two pulleys a double block, and so forth. Two blocks properly threaded or "revved" with rope are called a block and tackle.
A single block offers no mechanical advantage to the lifter. You end up lifting the entire weight, and just changing the direction of pull. However, by adding another block to this arrangement and creating a "single and single" block and tackle, you can reduce the force needed to lift a load by half. Adding another pulley increases your mechanical advantage to 3:1. Place the block with the most pulleys at the top, to serve as the immobile or fixed block. This would enable you to lift a heavy load by applying less force. As more pulleys are added, the extra weight and length of rope needed may become a concern, even though making it possible to lift heavier loads.
Compact hand winches are designed for all-terrain vehicles and snowmobiles, offer another possibility for attaching to the haul line. Tie off the winch to a tree. Depending on your system, use the cable or rope supplied with the winch as your main haul line or attach the cable to a nonslip loop in the haul line and tie off the haul rope to the tree before releasing it from the winch. With a very low gear ratio, winches allow very heavy weights to be lifted with ease. Portable pullers are also important devices that can be attached to the main haul line and used to lift the load in the air.
The above mentioned devices can help you to lift heavy loads off the ground. They have good performances and functions. But you should be sure that the rest of the suspension system can handle the weight and give some advance thought to how to safely lower the weight.
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What is the Difference Between a Body Lift and Suspension Lift?
When you want to lift your four wheel drive up you have two options. The first option is the more common, and is known as a suspension lift. This involves replacing the springs and shock absorbers currently in your vehicle with larger springs and shock absorbers. Most people will get a heavier duty set as well, to cope with driving on uneven terrain for hours at a time. The only issue with this type of lift is that if you go much more than 4 inches, you get a lot of sideways movement, especially when you go around a corner on the road. Your car no longer steers or brakes as well as it used to, and you get considerably more wind resistance.
The alternative then is a body lift. Many people prefer to lift the body and a the suspension, as lifting the body is done with solid blocks (meaning the car won't move sideways because of it). A body lift involves fitting little blocks (usually 2 inch) in between the body and the chassis. The bolts that hold the two together are replaced with longer ones and your car now sits 2 inches higher. The only issue is that everything attached to the chassis stays where it was originally; the radiator, bull bar, rear bar, sidesteps and anything else that was attached. You can move this up too, but it can be a lot of work.
Some vehicles don't require anything to be done after a the lifting of the car's body, but others may. A good combination to go with is a body lift and a suspension lift as you will limit the sway when going around corners. A body lift is much cheaper, but it means you still have the original suspension, which may need replacing anyway.