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Bond Myths I - ElectroMagnet Watch Deflects Bullet - Discuss it here!
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Junior Member
Registered: 01-17-08
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Enigma, now we are talking alchemy.

There are some fundamental properties of the elements, gold and lead, that just throw magnetism out the window.

I get the feeling you are sincere, in which case, I will be happy to further your education.

The only other possiblity is that you are just baiting me, trying to find out how much I know, in that case, let's play.

Pete
Junior Member
Registered: 01-17-08
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Also if you want to demagnetize a ferrous metal then you also use AC electromagnet! Called a degasser…
Junior Member
Registered: 01-17-08
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I am sorry you need to go look up AC electromagnet! before you make a fool of your self... sorry
Junior Member
Registered: 01-17-08
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I may be wrong, I often am, but I have built and rebuilt degaussers when I was working with musicians.

A degausser is nothing more than a hi powered magnetic field, preferably random, so we almost always used AC for this.
Junior Member
Registered: 01-17-08
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Spinning metal can produce its own electromagnetic field. Could the rifling in the gun have caused the bullet encased in any metal to produce its own field... while the bullet may not have been affected one way or the other, the field could be easily attracted or deflected at the poles which could then affect the bullet... could that have caused tumbling with the momentum mixed in?
Junior Member
Registered: 01-17-08
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I found a simple quick explanation for why a AC electromagnet attracts non-ferrous metal look up “MASTER MAGNET”.

“It’s not what you don’t know.
It’s what you think you know that’s wrong, that will get you.”
– Nesmith
Junior Member
Registered: 01-17-08
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Can neodymium magnets be made more powerful with a current? a neodymium electromagnet?
Junior Member
Registered: 01-17-08
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I believe the bullet moving with speed over the poles of the magnets with a alternately increasing and decreasing magnetic field is setting up or inducing a large current, and that is then reacting on the next magnets witch causes the tumbling. Like a copper wire moving threw a magnetic field with no place to dissipate the current creating it’s own magnetic field.
Junior Member
Registered: 01-17-08
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you're really not very good at this.

You should at least looked up the correct spelling for Gauss.

It is not just a term, it is an individual, born in 1777, who way back then identified all the important properties of magenetism.

gauss is now a unit of measure for magentism
degaussing is a method of getting rid of magentism
Junior Member
Registered: 01-17-08
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Spel I can't...
Junior Member
Registered: 01-18-08
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Bond Special
my question is about the 9MM vs propane tank. i seen they where using lead tipped round. why not try using Full metal jackets or AP rounds against the tank.
Junior Member
Registered: 01-17-08
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I apologize, I can be stupid (ask Ellen), but am I wrong?

That watch, with the electromagnet pointed straight up and down, could not have deflected a paper clip on a string right next to it, let alone a bullet.

Try it yourselves, paperclip, wire wrap around it, battery leads. . ..

Above and below the clip, you will see some magnetic attraction. To the sides, none.
Junior Member
Registered: 01-17-08
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I think It would have only had a small effect… but still something effected the bullet tumbling… and that is the real question… was it the magnets? And I believe an AC electromagnet would have a grater effect in testing magnetic field on a speeding bullet.
Junior Member
Registered: 01-17-08
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OK Eni,

Build yourself an electromagnet.

take a paperclip, straighten it out.
wrap that paperclip in any wire you have available
attach leads from that wire to a nine volt

you now have an electromagnet, play with it a bit and get back to me
Junior Member
Registered: 01-17-08
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Eni,

One very important detail, that wire wrap must be insulatated.

You cannot take a bare wire and wrap it around the paperclip.

Sorry, should of thought of it before
Junior Member
Registered: 07-10-04
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Since the myth was about electromagnets, I am dismayed with the use of regular magnets for the "go for broke" test.

Instead, I was hoping for something like this

http://www.powerlabs.org/pssecc.htm

or this

http://205.243.100.155/frames/shrinkergallery.html

or this

http://tesladownunder.com/CanCrushing.htm

Come on guys, u know u want to build it.
Junior Member
Registered: 01-17-08
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The steel bullet that they made didnt have the spin it needed to stabilize the bullet nor the complete seal to trap the expanding gases from the powder.thats why it tumbled
Junior Member
Registered: 01-17-08
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Yep I agree!
Senior Member
Registered: 01-25-06
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I think they had the gun too close to the target to begin with. It probably retained too much of its muzzle velocity in the 5-6 feet that made up the testing area.
Junior Member
Registered: 01-17-08
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Thats the other part of this thats hard to duplicate. They are setting up a magnetic field along the path of the bullet and trying to deflect the path of the bullet. When in reality that bullet would be coming directly at you at 1200fps. Thats a little more tricky to do. You are basicly trying to creat a "Magnetic Bullet Proof Vest", not only are you trying to overcome the weight of the projectile you need to overcome the kinetic energy of the firing of the bullet. That would take an enormous amount of energy.

Assuming my assumptions about the bullet not engaging the rifling are correct then the leakage of the gas around the bullet would be huge. And depending on how tight to the lands they machined it the speed of the bullet would probably be half of what it would normally be.

They need to take another shot at this one.
(Pun intended)
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    Forums    MythBusters    MythBusters Episode Discussion    Bond Myths I - ElectroMagnet Watch Deflects Bullet - Discuss it here!

 
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