In article , Don Foreman says...

The flux density in those alnico household magnets is considerably
less than that of saturated alnico. It became so almost instantly
when removed from the magnetizer at the factory, before it ever
arrived at the store.

Anyone who works on magnetos knows that the rotors should
always be stored with 'keepers' on the pole pieces.

I always wondered what would happen if I took one of those
old mags, and set it up with some of the new supermagnets.

Jim


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