Posted by John T on March 03, 2016 at 05:51:21 from (173.102.231.81):
In Reply to: Magneto magnet posted by craig45 on March 03, 2016 at 05:23:36:
You ask good questions, here are my thoughts:
"Does the magnet get stronger when the engine is run for a while"
I DO NOT see the magnetic rotor gaining any magnetic field strength when the engine is running, nor loosing any either. However, as the mag turns faster (or if the magnet were stronger) more energy can be stored in the coil.
"or do you need to remove the magnet and have it' magnetism renewed?"
I'm NOT a fan of removing the magnetic rotor out of the armature because in the process its similar to removing the "keeper" on say a horseshoe magnet. Thats NOT to say rotors cant be magnetically recharged or may require it if they have been removed long periods, I'm ONLY saying theres usually no need to have on charged up as running the engine DOES NOT use up their magnetism.
I usually agree with Bobs excellent answers, for whatever that's worth ???
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