I have been thinking about brushless motors for a while now, and I wanted to replace a small brush motor with a brushless one but wasn’t sure how to go about it. I looked up how they work to refresh my memory, then I thought I might make one out of permanent magnets and a …
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Monthly Archive: February 2007
(2) two speed homopolar motor !
I found a cylinder magnet and used is as the conductive rod or nail. I still attached my disc magnet and tested out the motor. Now I have two diameters to work with and two speeds. The cylinder gives the lower speed and the disc gives the higher speed. It may be hard to see …
One handed homopolar motor with AA battery
I found a link to a really easy to make homopolar motor using a battery, a wire, a screw, and a strong nickel plated magnet. You can check out the evilmadscientist site for a cool video and explanation. He has some other cool experiments as well with one that moves water. So I tried it …