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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: 6695

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Rate This Video:: 3.81 out of 5 based on 43 votes

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50 Comments

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Cloud89 : LVL 25: VP 3.4: said:

Hidden (Show Comment) 15 votes

992 days 21 hours ago...

Awsome, I gotta try that. I'll have batteries all over my room.

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poison_R34 : LVL 20: VP 2.9: said:

Hidden (Show Comment) 41 votes

992 days 18 hours ago...

freaken cool. That is probably the coolest thing i've seen this month.

\/ \/ and who r u calling gay? u homo-sapien

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HE4DHUNT3R : LVL 33: VP 4.2: said:

Hidden (Show Comment) -104 votes

992 days 9 hours ago...

Homopolar huh, bet a gay dude came up with that name.

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JonGuzman : LVL 38: VP 4.6: said:

Hidden (Show Comment) -72 votes

992 days 9 hours ago...

Amazing, such simplicity

.... Homo

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3XTR3M1ST : LVL 1: VP 1: said:

Hidden (Show Comment) -43 votes

992 days 8 hours ago...

is it nessary that we use a neodinum orwhateveritis battery?

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Myungish : LVL 6: VP 1.5: said:

Hidden (Show Comment) -70 votes

992 days 8 hours ago...

cool homo

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Henri_ : LVL 24: VP 3.3: said:

Hidden (Show Comment) 32 votes

992 days 8 hours ago...

A homopolar motor can take many forms, but all have a magnetic field that does not change in strength or direction, hence "homo-polar"...

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Lunearetic : LVL 32: VP 4.1: said:

Hidden (Show Comment) 21 votes

992 days 8 hours ago...

Can't they call it unipolar or monopolar? Not a big whiz at these things, but the children seem to enjoy the word homo...a bit too much.

Pretty cool, but where do you get a magnet like that? Or where do you buy magnets, period? ha ha!

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BLiNDFury123 : LVL 1: VP 1: said:

Hidden (Show Comment) 7 votes

992 days 7 hours ago...

How do people think of this stuff? Pretty cool, I wonder how long it can be left running like that, is it actually using the battery?

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Nabucco : LVL 11: VP 2: said:

Hidden (Show Comment) 22 votes

992 days 6 hours ago...

It does use the battery. What happens is that a current starts flowing through the wire, which in its turn creates another magnetic field around the wire. This magnetic field interacts with the magnet you placed at the bottom, making the wire turn. You don't need this exact type of magnet and battery, but you will need a very strong magnet. The stronger the magnet, the harder your wire will start spinning...

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3XTR3M1ST : LVL 1: VP 1: said:

Hidden (Show Comment) 4 votes

992 days 6 hours ago...

the wire dosent need to come in contact with the magnet right? does wire thickness matter?

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fagbag : LVL 27: VP 3.6: said:

Hidden (Show Comment) 26 votes

992 days 6 hours ago...

now to put razor blades on them and throw em at spider man!

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killer88 : LVL 1: VP 1: said:

Hidden (Show Comment) -4 votes

992 days 5 hours ago...

would a paper clip work?

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phuneverdie : LVL 1: VP 1: said:

Hidden (Show Comment) 0 votes

992 days 4 hours ago...

haha, interesting
I should try that :D

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GoldfishGobbler : LVL 3: VP 1.2: said:

Hidden (Show Comment) 6 votes

992 days 4 hours ago...

^ Lunearetic "but where do you get a magnet like that? "

http://www.neodymium-magnets-uk.com/

they're seriously powerful for their size. dunno where you'd get them in america

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FAM : LVL 29: VP 3.8: said:

Hidden (Show Comment) 1 votes

992 days 4 hours ago...

wtf..!! dats really amazing..

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Minor_Threat : LVL 13: VP 2.2: said:

Hidden (Show Comment) 1 votes

992 days 3 hours ago...

awesome! I gotta try that...

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tokentiki : LVL 44: VP 5: said:

Hidden (Show Comment) 13 votes

992 days 3 hours ago...

i used a milk dud for the magnet and it doesn't work

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Arm : LVL 24: VP 3.3: said:

Hidden (Show Comment) 1 votes

992 days 3 hours ago...

One day we shall power our cars with this!

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Lunearetic : LVL 32: VP 4.1: said:

Hidden (Show Comment) 1 votes

992 days 2 hours ago...

Ah, thanks Goldfish. There's a market for everything! I should know that by now. And people can always resort to e-bay.

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shasha : LVL 4: VP 1.3: said:

Hidden (Show Comment) -4 votes

992 days 2 hours ago...

that would be great for impressing the chicks and make em' take off their panties and have sex with you

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stunttt : LVL 30: VP 3.9: said:

Hidden (Show Comment) 7 votes

992 days 1 hour ago...

^ wtf

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blink : LVL 26: VP 3.5: said:

Hidden (Show Comment) 1 votes

992 days ago...

I might be wrong, but couldn't you just find a neodymium magnet inside an old speaker lying around?

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Wr3ck : LVL 23: VP 3.2: said:

Hidden (Show Comment) -11 votes

992 days ago...

Does homopolar means, that the motor is gay?

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black joke : LVL 21: VP 3: said:

Hidden (Show Comment) 2 votes

991 days 23 hours ago...

would this work with other types of magnets such as rare earth magnets? whitch are easily pilfered from any highschool science room

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hotsos : LVL 1: VP 1: said:

Hidden (Show Comment) 1 votes

991 days 22 hours ago...

thats bad ass

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KickMeElmo : LVL 10: VP 1.9: said:

Hidden (Show Comment) 0 votes

991 days 22 hours ago...

I suppose it should work with any rare earth magnet. I think that's basically what that magnet is.

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

Hidden (Show Comment) 0 votes

991 days 22 hours ago...

neat vid

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JayClericus : LVL 2: VP 1.1: said:

Hidden (Show Comment) 0 votes

991 days 22 hours ago...

exellent clip :)

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WackyTurtle : LVL 1: VP 1: said:

Hidden (Show Comment) -2 votes

991 days 21 hours ago...

Cool.. pretty useless though..

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Xombi : LVL 22: VP 3.1: said:

Hidden (Show Comment) 0 votes

991 days 21 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:

Hidden (Show Comment) 2 votes

991 days 20 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:

Hidden (Show Comment) 0 votes

991 days 20 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:

Hidden (Show Comment) 1 votes

991 days 19 hours ago...

cool, good thing to show off to your friends

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JAPAN_BOY : LVL 13: VP 2.2: said:

Hidden (Show Comment) 1 votes

991 days 19 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:

Hidden (Show Comment) 0 votes

991 days 18 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:

Hidden (Show Comment) 0 votes

991 days 18 hours ago...

i am going to try this soon X_X

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addiktion : LVL 8: VP 1.7: said:

Hidden (Show Comment) 0 votes

991 days 17 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:

Hidden (Show Comment) 0 votes

991 days 17 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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DethTroll : LVL 1: VP 1: said:

Hidden (Show Comment) 1 votes

991 days 16 hours ago...

i like it. i like it a lot

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Pincus : LVL 15: VP 2.4: said:

Hidden (Show Comment) 1 votes

991 days 16 hours ago...

That's nothing but cool =)

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furun : LVL 22: VP 3.1: said:

Hidden (Show Comment) 0 votes

991 days 15 hours ago...

another site you can try using to buy them

http://www.thinkgeek.com/geektoys/science/770f/

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Skiba : LVL 28: VP 3.7: said:

Hidden (Show Comment) -5 votes

991 days 14 hours ago...

gay motor

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Video Invader : LVL 1: VP 1: said:

Hidden (Show Comment) 0 votes

991 days 9 hours ago...

wmd in the making maybe?

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dimezanime88 : LVL 1: VP 1: said:

Hidden (Show Comment) 0 votes

991 days 1 hour ago...

WHOA!

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xcalliber : LVL 31: VP 4: said:

Hidden (Show Comment) -1 votes

990 days 14 hours ago...

cool cool

lol but the first thing i thought was a GAY motor

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rahuman : LVL 1: VP 1: said:

Hidden (Show Comment) 0 votes

989 days 5 hours ago...

Fascinating, But can this thing be a fire hazard, cause some batteries tend to explode when shorted.

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Frosty4ngel : LVL 1: VP 1: said:

Hidden (Show Comment) 0 votes

987 days 11 hours ago...

cool..! [note to self - in the 'things to do list' when you R bored]

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Mozesh : LVL 1: VP 1: said:

Hidden (Show Comment) 0 votes

987 days 1 hour ago...

Dude, homo means the same, polar just means something like pole. So same poles, a battery has a + and a - pole, because of the magnet the poles both become + or -. Then because they want to push away from each other the wirethingy starts to turn. Well maybe not exactly like that but it comes close. So Homo = same, polar = poles.

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Friendly_hazard : LVL 1: VP 1: said:

Hidden (Show Comment) 0 votes

984 days 16 hours ago...

where can u get neodymium-magnets ?

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Homopolar Motor

50 Comments

Current View: ALL / Show all Comments

Cloud89 : LVL 25: VP 3.4: said:

poison_R34 : LVL 20: VP 2.9: said:

HE4DHUNT3R : LVL 33: VP 4.2: said:

JonGuzman : LVL 38: VP 4.6: said:

3XTR3M1ST : LVL 1: VP 1: said:

Myungish : LVL 6: VP 1.5: said:

Henri_ : LVL 24: VP 3.3: said:

Lunearetic : LVL 32: VP 4.1: said:

BLiNDFury123 : LVL 1: VP 1: said:

Nabucco : LVL 11: VP 2: said:

3XTR3M1ST : LVL 1: VP 1: said:

fagbag : LVL 27: VP 3.6: said:

killer88 : LVL 1: VP 1: said:

phuneverdie : LVL 1: VP 1: said:

GoldfishGobbler : LVL 3: VP 1.2: said:

FAM : LVL 29: VP 3.8: said:

Minor_Threat : LVL 13: VP 2.2: said:

tokentiki : LVL 44: VP 5: said:

Arm : LVL 24: VP 3.3: said:

Lunearetic : LVL 32: VP 4.1: said:

shasha : LVL 4: VP 1.3: said:

stunttt : LVL 30: VP 3.9: said:

blink : LVL 26: VP 3.5: said:

*Wr3ck* : LVL 23: VP 3.2: said:

black joke : LVL 21: VP 3: said:

hotsos : LVL 1: VP 1: said:

KickMeElmo : LVL 10: VP 1.9: said:

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

JayClericus : LVL 2: VP 1.1: said:

WackyTurtle : LVL 1: VP 1: said:

Xombi : LVL 22: VP 3.1: said:

Mickit : LVL 15: VP 2.4: said:

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

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

JAPAN_BOY : LVL 13: VP 2.2: said:

PsyK1ck : LVL 9: VP 1.8: said:

Mr6Sozac : LVL 25: VP 3.4: said:

addiktion : LVL 8: VP 1.7: said:

Crumpled Stiltsman : LVL 32: VP 4.1: said:

DethTroll : LVL 1: VP 1: said:

Pincus : LVL 15: VP 2.4: said:

furun : LVL 22: VP 3.1: said:

Skiba : LVL 28: VP 3.7: said:

Video Invader : LVL 1: VP 1: said:

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xcalliber : LVL 31: VP 4: said:

rahuman : LVL 1: VP 1: said:

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Wr3ck : LVL 23: VP 3.2: said: