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Overunity Machines Forum



Magnetic shield by use of a second magnet - A better way I think.

Started by Low-Q, July 01, 2009, 12:14:52 PM

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lumen

#20
July 12, 2009, 09:24:58 PM
@Vidar, If all forces are the same without magnet B, then any method to shield a magnet with another magnet would not work. It would only be the same configuration operating within a larger constant field.
I do not disagree with that line of thinking as that could be the case.

I need to learn to use FEMM myself and this could be a place to start.


Low-Q

#21
July 13, 2009, 04:32:18 PM
Quote from: lumen on July 12, 2009, 09:24:58 PM
@Vidar, If all forces are the same without magnet B, then any method to shield a magnet with another magnet would not work. It would only be the same configuration operating within a larger constant field.
I do not disagree with that line of thinking as that could be the case.

I need to learn to use FEMM myself and this could be a place to start.
Unfortunatly its true. Magnetic forces can be disturbed by other forces, but in the big picture, no shield or "hidden" magnets can take away the fact that magnetism will affect magnetism no matter how complex the system is. My experiment with my idea failed, because the step from being magnets to "destroyed" flux, and back into magnetism, if the intention is to benifit a forward motion, the cost of that very movement from magnetic flux to nothing, and back, cancelled out perfectly by the presence of the moving magnet. And later I said "Ofcourse. I am just thinking too complex, and still are blowing on my own sails".

Download FEMM and find the user guide, and give it an eyeball. Read it carefully and follow the examples. Try to experiment with the "stock" examples to understand how these works. How you add materials in the user library. How you point up dots where lines are suppose to be attached to - so you finally have made your first shape. It took me only a few minutes to understand the very basics of this software - I'm soon 40...that said - I still use the very basics of it, and only in the magnetic section. No need for advanced skills when using FEMM.

You can download all of it here:
http://femm.foster-miller.net/wiki/HomePage

Vidar
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