various issues that has me concerned...

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one last addition before changing things over in magnets and there shapes....

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*arghs* i had some other video links and some other links and now can't find them... and result of trying to search has lead to some extra misc stuff. *shrugs*

how are permenat magnets made?  how do we get North and South poles. and at what angle  are you wanting the poles to be? 
some youtube videos....

goes along more of the entire process of raw materials to creating the final product.
https://www.youtube.com/watch?v=noGGcyPHtdI

bunch of videos dealing with magnets, from bar, to cylinder, to washers / rings, to balls. 
https://www.youtube.com/user/SuperMagnetMan

more of cnc / lathe / cutting process of magnets.
Jobmaster Magnets Canada Manufacturing & Assembly Facility
https://www.youtube.com/watch?v=Lhfv_FYEffM

how super magnets are made by supermagnetman maybe of intrest in proccess of raw material to final product.
https://www.youtube.com/watch?v=BHuWloNGo6c

do a search for ""powder metallurgy process animation"" without quotes on youtube
seems like a full walk through of raw material to final product.  only missing a couple steps of magnetizing a permanent magnet a couple times... (not counting permanent magnet conditioning for heat / pressure / magnet flux strength)
https://www.youtube.com/watch?v=IIcPC73_H14

worlds strongest magnet.  sheets of metal vs wires to form coils. holes in the sheets i am going to guess to allow for "coolant" to run through.    magnets, coils magnets, coils repeating one side the other to amplify the flux density inside the very center core of the unit.
https://www.youtube.com/watch?v=QGytW_C6hR8

in below the notation of just some kids stating angle of magnets on the edges being just at the right angle and position for things to work....
Magnetic Rail Gun Science Project
https://www.youtube.com/watch?v=Vo2-Qb3fUYs
https://www.youtube.com/watch?v=VeXrFfw4RSU
https://www.youtube.com/watch?v=VTbFfEEE_qU

multi pole layered onto a regular magnet to make a stronger repulsion or attraction.
https://www.youtube.com/watch?v=m4m81JjZCJo

magnet in a copper pipe
https://www.youtube.com/watch?v=E97CYWlALEs

eddie currents = magnets and copper = heat!
https://www.youtube.com/watch?v=fDprCBQiVeA
search for "magnet copper"  or "magnet copper pipe"  or "magnet copper water" on youtube for other videos

copper wheel (whole saw bit for a drill turned into copper) + neo magnets = eddie currents, though notation of magnets wanting to fly across room. hhmmss....
http://www.resonantfractals.org/Magnetism/SpinningCylinder.htm

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pulses within a wire