Build · · 8 min
Pulse Motor Rotor Design: Magnets, Materials and Balance
Rotor types, magnet selection, polarity, balancing techniques, and bearings.
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Use non-magnetic rotor materials: wood, PVC, acrylic, 3D-printed plastic. Even magnet counts (4, 6, 8, 12) work well. Eight is a popular sweet spot.
All magnets same pole out unless you're intentionally testing stagger patterns. Balance ruthlessly. Skateboard bearings are great for shaft builds; pole-and-disc levitation is a different friction story.
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