The incredible HDD motor fan.
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The incredible HDD motor fan.
Hi guys and gals, I need some help in powering a old HDD motor. Could any of the electronic experts here help me out? Could a brushless fan's circuits potentially power it?
What I do know is that the motor has 1 ground, and 2 positive terminals. What I would need is to be able to switch power on and off between the 2 positives in a alternating fashion.
EDIT: I intenionally put this in the Modding section, before some of you start moaning. If I get the power issues sorted I'll reveal all.
Edit 2: See page 2 for the mod.
What I do know is that the motor has 1 ground, and 2 positive terminals. What I would need is to be able to switch power on and off between the 2 positives in a alternating fashion.
EDIT: I intenionally put this in the Modding section, before some of you start moaning. If I get the power issues sorted I'll reveal all.
Edit 2: See page 2 for the mod.
Last edited by Hman on 11 Feb 2007, 18:31, edited 1 time in total.
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BTW, if I connect one of the pins to ground on my PSU, and take a wire from +5V and brush it against ever of the other two pins so it keeps breaking and rejoining the circuit I can get it running, though at a low speed. That is why I think it should switch between 2 positives.
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Actually, it should switch between a positive(eg +5V) and a negative(eg -5V) voltage, in order to change the direction of the magnetic field which is generated inside the motor.So faster switching between pos and neg = faster change of magnetic field = faster spinning motor. Ground would be a common connection to earth and is typically 0V.
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Actually, I'm wrong.
Check out this site
http://homepages.which.net/~paul.hills/ ... sBody.html
Sorry for the confusion on my part :stupid:
Check out this site
http://homepages.which.net/~paul.hills/ ... sBody.html
Sorry for the confusion on my part :stupid:
the pen is mighter than the sword, but the word is always final
Ok so if you touch the 5V to either supply wire the motor starts spinning? If that is the case then, and I am just guessing here, this might be a type of stepper motor. So in the case of this motor you would have 4 steps (only having 2 wires)00 01 10 11. So you would need some kind of logic counter doing the running of this motor. I can explain to you how to make a circuit to run this thing but some of the components you would need to get from an electronics shop. You could possibly use your serial port to run this but you FIRST have to add these components.
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Hmmm. Okay, but the drives pcb has all the necessary components, If I could somehow fool it into spinning the motor....
I also have a Nidec 59-004045-000 motor which I can use and it's from a WD Caviar HDD. Model no. AC22000-32LA. But this motor has 4 connections. What little info I get on this motor is that it has 12 coils. The controller chip is a ST L6252 ES4
I also have a Nidec 59-004045-000 motor which I can use and it's from a WD Caviar HDD. Model no. AC22000-32LA. But this motor has 4 connections. What little info I get on this motor is that it has 12 coils. The controller chip is a ST L6252 ES4
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Last edited by Hman on 09 Feb 2007, 14:36, edited 1 time in total.
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Thanks for the help guys, I got it working: I didn't connect it properly
So here goes with the modding part: I made a fan by doing the following.
I took the platter from the drive, and placed a vinyl stencil on it.
Then I cut in the exposed lines with a hack-saw. Mounted the platter on the spindle and bent the blades to my liking.
Action shots!
Warning!! this thing will mess your fingers up. So if you build one and start it keep your digits clear.
Now don't ask me why I built it, I was bored at work mkay.
So here goes with the modding part: I made a fan by doing the following.
I took the platter from the drive, and placed a vinyl stencil on it.
Then I cut in the exposed lines with a hack-saw. Mounted the platter on the spindle and bent the blades to my liking.
Action shots!
Warning!! this thing will mess your fingers up. So if you build one and start it keep your digits clear.
Now don't ask me why I built it, I was bored at work mkay.
"Every thinking man is a drinking man."
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Well, now you have a super-fast fan. (unless it isn't running at the full speed of your regular HDD).
Should make for some awesome cooling, though it would probably be a bit noisy.
How much noise does it make?
Should make for some awesome cooling, though it would probably be a bit noisy.
How much noise does it make?
If I can't find a friendship problem...I'll make a friendship problem!
http://www.youtube.com/watch?v=Lxo1qlk6gEI
http://www.youtube.com/watch?v=Lxo1qlk6gEI
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Well, currently it is relatively noisy, but not like the irritating whine of some 80mm fans. Once I get my hands on a dremel I'll remove the burs on the blades which will make it quieter.
I will make a how to a bit later.
@ Anthro. I already put a piece of paper into it. It ripped it to pieces.
I will make a how to a bit later.
@ Anthro. I already put a piece of paper into it. It ripped it to pieces.
"Every thinking man is a drinking man."
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