Most info says magnets are "embedded" in the rotor. I think proprietary issues keep us from knowing what that means exactly. Pertronox started out with bonded magnets and I guess evolved the design when they kept falling off.

Magnets or retrieval magnets or magnetic tip screw drivers can cause rotor issues.

The rotor magnets can get weak. But no explanation as to why.

HAPPY FOURTH GUYS!!

Last edited by bartamos; 07/04/2025 9:57 PM.

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