How To Make A Simple Electric Motor

This article will teach you how to make a simple electric motor

. You'll be using the electrical energy from a battery to produce mechanical energy that turns a coil. This is a very simplified version of motors found in household appliances, power tools, computer disk drives, and many of the other devices that make your life easier!

STEPS

Make the magnetic coil. Take a thin-coated wire and wrap it 10 times around the edge of a paper tube, leaving a few inches of loose wire at the start and end of the coil.

Carefully take the coil off the tube and wrap the ends of the wire around the coil at opposite points of the circle. Add some tape to help keep the coil together if needed. Once you have the coil secure and balanced, you can cut off excess wire leaving only an inch on either side.

Start making the base. Poke two holes in a plastic cup on either side using thumbtack, one half an inch from the top, the other half an inch from the bottom. If you don't have a plastic cup, a styrofoam or paper cup will work too.

Cut two pieces of stiff wire at a three times the height of the cup and thread them through the holes in the cup.

Place one magnet on the outside of the cup and one or more magnets inside the cup to hold it in place.

Place the cup so that the open end is facing down.

Sand the ends of the wires at the base of the cup and set them up to connect them to your battery.

Start adjusting the wires that will hold the coil. Stand the coil up on the magnet and match the height of the coil to the wires. Then bend one of the wires connected to the base forwards, and the other backwards at the height of the coil.

Keep bending the wires to create a perch for the coil, so that the coil is held up to have as little space as possible between the coil and the magnet.

Take the coil and sand all the coating off one of the support wires. On the other wire only sand off half of the coating so that the coating will start to touch the support when the coil is closest to the magnet. If you want to adjust the sanding you can just apply a new coating with a permanent marker.

Connect the battery and test your motor. Some minor adjustments may be needed.

WARNING

If you use a thin wire and a strong current your wires can get extremely hot!

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by: efriends

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