How To Build An Electric Motor
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To make the airplanes coil hold its shape permanently, we will wrap each free end of make the wire around the coil a couple of times, making sure that the new binding turns paneling are exactly opposite each other, so the coil can turn easily on the axis. In other words, a bigger magnet is usually better.). You have 30 seconds to make an electric motor running in excess of ten thousand RPM.
Set the screw on the magnet, bend the wire. Its quite easy to build a working model; Christian built this example for his third-grade science project. 4, contact with the brushes when the coil is in the horizontal plane is particularly important, as this is when the force on the coil is maximum.
How to make an electric motor homemade Build your own motor Electric motor Discoveries and projects
Procedure a, to make the patio commutator, first insulate one end of the aluminium tube with Sellotape. It is not necessary, but I usually wrap a couple turns around these binding turns as well, threading the wire into the space between the large coil and the small coils that hold it together. Make Magazine, volume 1, the, howtoons comic shows how to make an electric motor that works that way. A quick sketch may help: Do the same thing to the other free wire end, making sure that the shiny bare copper side is facing up on both wire ends.
How to Build a Super Simple Electric Motor Out of Stuff You Already
Current flows out of dress the build battery, down the screw, sideways through the magnet to the wire, and through the wire to the other end of the battery. You may also like this project, which is about building a similar sort of motor that spins water instead of a magnet. The keyblade magnet and screw start to spin immediately. Many science centres now sell the magnets on their own, or even complete motor kits.
Also note that some of the components, like the wire, can get very warm while youre doing this. A battery to fit the holder.
7, success with this motor is really impressive and students may want to construct one at home with odds and ends.
Be careful to leave the bottom half of the wire with the enamel insulation intact.
The coil will end up looking like the photo below: Now carefully pull the coil off of the form, holding the wire so it doesn't spring out of shape.
Some of my other web sites: Send mail to Simon Quellen Field via Google. It turns out that its been around longer than that: it was invented in 1821 by Michael Faraday. Thin wire requires a small form, thick wire requires a larger form. Some magnet wire such as Radio Shack #278-1345. Bare copper will work just as well.
A little randomness will help the bundle keep its shape better. Not at right angles, they are made of bare wire. You can get them from plastic toys or buy them from a number of magnet discount and surplus shops.
This is the kind that youll find inside essentially everything that moves (or shakes) and runs on batteries. The magnetic field from the magnet is oriented through its flat faces, so it is parallel to the magnets axis of symmetry. Kits are commercially available for making model electric motors like this. Press and hold the top end of the wire to the top end of the battery, making an electrical connection from the top battery end to the wire. This is because the friction force is proportional to the normal force.