World's Simplest CD Player Motor

Whimsical "World's Simplest CD Player Motor", powered by the world's simplest electric motor, the homopolar motor.

It doesn't actually read CD's (yet!) but it will rotate a CD with only a AA battery, a neodymium magnet, and a piece of copper wire.

This is what I call the Reverse Homopolar type motor because the battery and magnet are the rotor. (In most homopolar motors, the battery is stationary.)

A homopolar motor works from the Lorentz effect, discovered about 150 years ago, where an electric current flowing through the radius of a magnetic disc causes torque on the disc.

Experimental background music by what I call the "Sally Ann Steampunk Band", a weird mix of Steampunk meets Salvation Army band...

For many other strange and fun experiments with magnets, visit my YouTube channel, http://www.youtube.com/mrfixitrick

For Homopolar Motor Kits, with 3 magnets and 6 feet of copper wire, order from the good folks at the American Stirling Engine website: http://www.stirlingengine.com/ecommerce/product.tcl?usca_p=t&product_id=93

Mrfixitrick orders magnets at K&J Magnetics:
http://www.kjmagnetics.com/default.asp?PARTNER=mrfixitrick

Check out how a new understanding of magnetism will radically change our world, presented by nuclear engineer Mehran Keshe:
http://www.youtube.com/watch?v=wtf5bp76ArE

Category:

Science & Technology

Tags:

• homopolar
• simple
• electric
• motor
• neodymium
• magnet
• steampunk
• experimental
• odd
• unusual
• unique
• music
• experiment
• DIY
• CD
• player
• weird
• science
• supermagnet
• super-magnet
• diy
• fun
• awesome
• cool
• rare-earth
• rare
• earth
• magnetic
• vortex
• coupler
• home
• experimentation
• keshe
• theory
• nanodots

[Silvermist234]

is that copper wire???.... if yes... hw the f**k does the magnet atract that :S

[MrfixitRick]

@Silvermist234

The main stand is copper-coated steel rod as used in gas welding. The battery becomes magnetic and sticks to it. There is a copper wire wrapped around the welding rod that acts as a brush against the magnet.

[jacktheripper0194]

@MrfixitRick what if you put another magnet as a base on the bottom to control the swinging effect from the cd...

[MrfixitRick]

@jacktheripper0194

That could work. Although I kinda like the swingin' CD...;)

Why not try it? It's fun playing with magnets!

[coatduck]

this music has potential, but its all out of sinc...

[MrfixitRick]

@coatduck

Think of it as a hung over sally anne steampunk street band from another dimension and it should start to make sense.

[theAngelofhevn]

Thumbs up if you Muted the "Music" at 0:4

[Dudemag]

this music keeps telling me to murder my family...

[almouloudi]

But that doesn't allow you to control RPM speed .

[Willium95]

parts 0:32 and 1:32 were the best!

[Ali2011mb]

Excellent video. See my channel electric motor new design.It is very original model of electric motor (it has no accelerating coil, special phase-shifting devices and condensers).

[phane88]

man, you'll need a hell of a laser

[FalloutFanBoy101]

that music is probably what the cd would sound like xD 

[MaRsaNTM]

penis

[InfectedDarkJester]

thats nice. if only they made cd's magnet proof

[Silvermist234]

@MrfixitRick hmmmmm