Electromagnets are extremely powerful for their size. They are often used in car wreckers lots to raise complete automobiles into the crusher.Then they lift the crushed vehicles to a transport truck.
Even very small electromagnets which are powered by a simple flashlight cell are capable of lifting hundreds of pounds of iron or steel.
If a small electromagnet is attached to a sheet of steel or iron it is impossible to pull it off by hand. Even the smallest can require 250 pounds of direct pull to pull it off the iron sheet.
You can make small electromagnets at home quite easily and you will be totally amazed at what they can lift. At our website you will find free plans for making electromagnets which you can download in PDF format. Why not give it a try electromagnets
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