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Homopolar Motor

A simple electric motor made from only a battery, magnet, and a wire.

posted by DaVyWaVyBaBy
3/12/2007 5:29:08 PM

Views: 6671

All Ages

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15 Comments

Current View: 15 / Show all Comments

Xombi : LVL 22: VP 3.1: said:

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988 days 19 hours ago...

Wouldn't the magnet drain the battery extremely quick though? Thus really only making this fun for about 5 minutes?

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Mickit : LVL 15: VP 2.4: said:

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988 days 18 hours ago...

I would try to make one if i had all the stuff, but since i don't, fuck it..

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Cannibus..Sativa : LVL 6: VP 1.5: said:

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988 days 18 hours ago...

very cool. i would just let it go until it ran out and put another battery back in

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Mr.Tweek : LVL 11: VP 2: said:

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988 days 17 hours ago...

cool, good thing to show off to your friends

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JAPAN_BOY : LVL 13: VP 2.2: said:

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988 days 17 hours ago...

this is the website for purchases in the US
http://www.kjmagnetics.com/categories.asp?PARTNER=Google&gclid=CLDy4bqm
84oCFQlQWAodSlNLpg

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PsyK1ck : LVL 9: VP 1.8: said:

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988 days 16 hours ago...

@ arm

no...
This is simple electro-magnetism, any highschool physics class should teach you this kind of stuff, but basically the spinning comes from the energy already stored in the battery, so you would have to have a lot of energy stored in a battery to run a car off of this for any length of time...

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Mr6Sozac : LVL 25: VP 3.4: said:

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988 days 16 hours ago...

i am going to try this soon X_X

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addiktion : LVL 8: VP 1.7: said:

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988 days 15 hours ago...

They sure don't teach you that kind of stuff in school. At least not at my hick high school I went too.

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Crumpled Stiltsman : LVL 32: VP 4.1: said:

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988 days 15 hours ago...

The reason for neodymium magnet is that it's coated in nickel (to make it non-toxic). This also makes it the magnet conductive, and the wire must come in contact with the magnet for it to work.
If you don't have copper, you can use aluminum wire (basically any conductor that isn't attracted to the magnet).

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