The magnets on the disk must alternatet north south, north, ^o that the flux alternates in the coils. Each time you fit another magnet it has to be the right way up Hold it in >our palm, close your fingers tightly, and trv bringing the back of your hand down above the previous magnet. It it is repelled then it is the right way up to place on the disk beside the other. II it is attracted then turn the new magnet over first
When you have a few magnets in place then try the polarity test on them all Your test magnet will be attracted and repelled alternately as you move it around the circle.
When it comes to loading the second rotor with magnets, you must be aware of the index holes. The first magnet, aligned with the index hole on disk one must attract the first magnet on disk two. This means that the back of the new magnet will be repelled by the first magnet of the first disk. Place it onto the second disk at the index mark without turning it over. The top faces of the two first magnets will now attract each other Go ahead and place the rest of the magnets, alternating them as before.
fhese magnet rotors are now hazardous items that can hurt people if they come together with each other unexpectedly. You can lose a finger. Store them carefully. Keep them away from work areas with metal swarf and dust that would stick to the magnets and be hard to remove.
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