Electromagnets Thread

[nikokapo]

Ok, we've seen magnets threads, but why isn't there any thread dedicated to electromagnets?

Post your projects, ideas, etc.


When I finished my "Magnet Box" I thought it'd be cool to re-do the project but with a powerful electromagnet (rechargeable AAs ?).



Show us your cool stuff (sorry bud, not lasers this time)!

 

[nikokapo]

B
U
M
P

 

[iewed]

I want one now. Maybe something like this.

 

[Switch]

Well here's an old video of my first functional version of the camera flash coilgun, It kinda qualifies as an electromagnet application.

http://www.youtube.com/watch?v=b-mEEfDhWws

I perfected it untill it went through a beer can a few inches in front, with a projectile about 3 or 4 times bigger than the one in the video.I was going to build it into a pistol-like housing when it was good enough, but because of the limitations of my circuit, the heavy projectile didn't reach a high enough speed and couldn't fly in a straight line enough for my taste.When I'm better at electronics maybe I'm gonna make a more powerful one.

I need a high voltage/low capacitance cap bank and a HV source capable of charging them close to full power.Then a way of discharging them into the coil without blowing or melting anything.I'm not sure how the coil has to be, but I guess I'd need thicker wire.

tell us more about your "magnet box" :

 

[nikokapo]

Well here's an old video of my first functional version of the camera flash coilgun, It kinda qualifies as an electromagnet application.

http://www.youtube.com/watch?v=b-mEEfDhWws

I perfected it untill it went through a beer can a few inches in front, with a projectile about 3 or 4 times bigger than the one in the video.I was going to build it into a pistol-like housing when it was good enough, but because of the limitations of my circuit, the heavy projectile didn't reach a high enough speed and couldn't fly in a straight line enough for my taste.When I'm better at electronics maybe I'm gonna make a more powerful one.

I need a high voltage/low capacitance cap bank and a HV source capable of charging them close to full power.Then a way of discharging them into the coil without blowing or melting anything.I'm not sure how the coil has to be, but I guess I'd need thicker wire.

tell us more about your "magnet box"  :

I posted a thread about it, i'll add it to my sig:

http://www.laserpointerforums.com/forums/YaBB.pl?num=1233604239

 

[Switch]

Oh snap , I missed the thread.....probably because I still had 2 exams at the time.Posting in it now... ;D

 

[Xplorer877]

LOL Electromagnets are cool. But for a really strong one they are power hungry!

There is a really cool one here

-Tony