Building a Magnetic Motor Using a Computer Fan

[Vincent Punabantu]

I am try to build a magnetic motor using a computer fan on the basis of a video I saw on YouTube. I have placed 4 neodymium magnets at the edges of the fans frame. However the fan has failed to spin from the magnetic field created by the magnets. How can I find the correct orientation in order for the fan to spin due to the magnetic field provided by the magnets

 

[mfb]

Fixed permanent magnets won't make your fan spin. There is no "correct orientation". Don't trust random youtube videos promoting nonsense.

 

[Vincent Punabantu]

Then would creating a gear system work instead, which changes the position of the permanent magnets

 

[mfb]

If you put your magnets on a different fan and power that, you can use it to rotate your fan. That is the concept of a magnetic coupling.

No matter what you do, in order to have anything moving constantly you'll need an external power source. Energy is conserved, and there are always losses due to friction.

 

[NTL2009]

A computer fan is an (electro)magnetic motor. It has permanent magnets, and you apply an electric current to create rotary motion.

If you are trying to create motion with magnets only, and no outside power source, just stop now. That violates what we know about physics.

 

[Vincent Punabantu]

Thank you I'll look into that and make modifications

 

[NTL2009]

With no outside power source, only magnets, you are talking perpetual motion machines. Not allowed, it is not physics.
https://www.physicsforums.com/threads/physics-forums-global-guidelines.414380/

As per the PF posting guidelines above,
all religious debates are off limits including:

Pseudoscience, such as (but not limited to):
Perpetual motion and "free energy" discussions

 

[russ_watters]

Yes, this is an attempted perpetual motion machine, which violates the laws of physics and rules of this forum. Thread locked.