Well, I am going to follow Jim's lead and bow out here. I will leave though with some commentary about the conservation of matter and energy.
Teddy52food, not sure if I misunderstand your wording, or if you are mis-representing your statement. However, magnets do not produce energy in the classic sense. you cannot get more work out of a motor than the energy you put into it. That, I will debate with anyone. However, if your articulation was meant to imply that a permanent magnet motor is more efficient or has more torque than other types, then yes, I agree. The physics around the conservation of Mass and Energy apply. So, yes, the magnetism remains. It allows for an efficient motor. however, you are ADDING energy to the motor through the electric current......starters don't work on their own. The magnetism in a perm magnet starting motor allows it to work, only after you energize the windings, but it does NOT add net energy to the motor to perform work. remember, Newtonian mechanics: Work is measured in Joules. The unit for Joules is Newton Meters. Newtons: 1 N = 1 kg⋅m/s2 or for electricity, 1 Joule = 1 watt per second. ok, this is now going down a whole other path..........
I still say this was a good thread, albeit it took a left turn in Albuquerque............ as Bugs Bunny said. all good. no offense meant or taken to anyone.
This post was edited by Tom Fleming at 16:04:32 11/17/14.
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