This is a quick video demonstrating a simple DC motor. I saw this at the Central Montessori Academy Science Fair and thought it was really neat! All you need is a D battery, paper clips, and some small gauge wire. I would recommend using laquered motor or transformer wire. The bare wire used in the demo is rather inefficient, as many of the turns of wire are shunted out.
Here is a link to one of many instructions on how to build it.
https://www.wired.com/2016/01/how-to-...
Here is a video of one going at about 7000 RPM!
• Paper clip motor 7000 RPM
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