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Yet Another DIY MAgnetic Stirrer


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#1 joystik

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Posted 10 August 2007 - 02:12 PM

While browsing through the vaults I found the magnetic stir plate thread and decided to try and build one for myself.

Materials I used :

1 12V 120mm Computer fan
2 hard disk magnets
1 Computer power supply
2 inch double sided Tape
1 slim CD jewel case
4 computer fan screws

For a stir bar I used a 3 inch nail (cut the head and point) and old power cables to strip the pvc coating (plastic thing).

Since im sort of a computer geek, i had all these things laying around, so i didnt have to buy anything, except the tape.

I thought about adding a potentiomenter like someone did, but ive been lazy to go to the store to buy it. Actually, the power supply has 5v and 12 rails, so right now im ok.

If you got the Hard drives, the magnets come glued to a metal plate. If you hit them too hard you may break them, so the best thing to do is get 2 pairs of pliers and grab the 2 edges of the metal plates and try to bend it. If you do it correctly the magnet will snap right off. You can now remove it safely with your hand from the metal plate.

Be careful with these magnets as they are really powerful and can hurt your fingers if you put them too close to each other.

After assembling everything up I came up with this.

You can see a 1L jar sitting on the stirrer. The first couple of pics show it running at 12v, the next few at 5v.
The 3rd pic shows the nail cut and dressed with the cable tubing. There are 2 of those inside the jar right now. Just for a test run.
Check out the pics.


Cant get any simpler. Hope u like it!

Joy.

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  • JJnix likes this

#2 Guest_Glasshopper_*

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Posted 10 August 2007 - 02:22 PM

The computer power supply also produces 3.3v,
-5v, -12v so you can make 8.3V, 10v
and more by mixing and matching.

P.S. Nice job! :bow:

#3 Hippie3

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Posted 10 August 2007 - 02:46 PM

macgyver would be proud
:teeth:

#4 joystik

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Posted 10 August 2007 - 03:45 PM

Thanks guys.

I do have to say that i have no idea how to use it with a LC. I mean how much time shud i leave it running, per day? at what speed?

PS: GH: youre right!!

#5 gyva

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Posted 10 August 2007 - 03:52 PM

now all you need is little balls of neon light spinning around in there :).. wait NM just eat enough product... trippin...


Gyva...

#6 Hippie3

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Posted 10 August 2007 - 03:59 PM

how much time shud i leave it running, per day? at what speed?
..

read this-
http://mycotopia.net...id-culture.html

#7 joystik

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Posted 10 August 2007 - 04:35 PM

Thank you...Again.:)

#8 Guest_Glasshopper_*

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Posted 10 August 2007 - 04:55 PM

PS: GH: youre right!!


Never doubt "tha 'hoppa" when it comes to geeky techno stuff. :lol:




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