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Windows 7: Is 3 Volts enough to power a cpu fan

22 Jun 2014   #11
JBmorris

Windows Vista Business 32bit
 
 

well to blow air on me?
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22 Jun 2014   #12
derekimo

Microsoft Community Contributor Award Recipient

 
 

Quote   Quote: Originally Posted by JBmorris View Post
well to blow air on me?
Here's something to play with,

How To Make A Cheap USB Powered Fan

Or just buy one,

http://www.amazon.com/ARCTIC-USB-Pow...s_3015416011_1
My System SpecsSystem Spec
22 Jun 2014   #13
JBmorris

Windows Vista Business 32bit
 
 

no thanks, but I could cut a usb cable and hook it up to the CPU fan.
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.

22 Jun 2014   #14
JBmorris

Windows Vista Business 32bit
 
 

Quote   Quote: Originally Posted by Lady Fitzgerald View Post
Air conditioner or ventilation fan? There is no way in this universe you will ever power an refrigeration type air conditioner with only 3-6v or even 12v and you aren't going to move enough air to ventilate a room using computer fans. You will need a really large, not to mention really expensive, PV array just to power a fan powerful enough to ventilate a room.
Actually instead, a portable fan.
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22 Jun 2014   #15
JBmorris

Windows Vista Business 32bit
 
 

Quote   Quote: Originally Posted by A Guy View Post
I'd say 99% no. Many fans need more then 5v just to "kick" it into motion. At 3 volts you might get 100-200rpm and that wouldn't move any air. Anything running at 3v would probably be some tiny little fan. A CPU fan from 20 30 years ago won't work. A Guy
I have other monitors. Or if that one does not work, I could go to a computer repair store.
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22 Jun 2014   #16
DocBrown

Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
 
 

Quote   Quote: Originally Posted by JBmorris View Post
well to blow air on me?
This one doesn't need much voltage


Attached Images
Is 3 Volts enough to power a cpu fan-chinese_fan.jpg 
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22 Jun 2014   #17
JBmorris

Windows Vista Business 32bit
 
 

I've seen one of these before... we use to make one of these. until I forgot about them. thanks but we have lots of fans blowing in our house.
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23 Jun 2014   #18
JBmorris

Windows Vista Business 32bit
 
 

Quote   Quote: Originally Posted by DocBrown View Post
Quote   Quote: Originally Posted by JBmorris View Post
well to blow air on me?
This one doesn't need much voltage
However, I feel like I want to make this one out of paper.
My System SpecsSystem Spec
23 Jun 2014   #19
JBmorris

Windows Vista Business 32bit
 
 

Quote   Quote: Originally Posted by JBmorris View Post
aw man, well, going for a 6 volt solar panel. i guess...
Quote   Quote: Originally Posted by A Guy View Post
I'd say 99% no. Many fans need more then 5v just to "kick" it into motion. At 3 volts you might get 100-200rpm and that wouldn't move any air. Anything running at 3v would probably be some tiny little fan. A CPU fan from 20 30 years ago won't work. A Guy
Turns out i don't need to buy a 6 volt solar panel. I figured out that this thing is high Efficiency and can easily be arranged for larger loads and higher voltage and current loads.
My System SpecsSystem Spec
23 Jun 2014   #20
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

This whole thread seems to be an exercise in futility. Quit being cheap and buy a fan at Wal Mart.
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