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5v USB 2.0 Fans Running at 12v from Dc apdapter

post #1 of 14
Thread Starter 
Hello ocnet, Recently I have been bored so I've worked on this project for the last hour or so. I purchased a Gear-head laptop cooling pad from Walmart not too long ago, and removed the fans from the plastic case around them. Then i simply taped them to side of my case, and im getting about 5 degrees Celsius off my temps. But now im bored of the low rpm its running at, and its minimal cooling and im now running instead of the USB 2.0 power of 5 volts, I found a 12 volt dc adapter compatible with the fans and Im now using that, the improved temps are now about 12 degrees Celsius off, and im loving the rpm.

My question is, How long will it last?And is that weird scent coming from the PCB of the fan going to eventually go away or gradually get worse.thumb.gif

Edit: Using this for the "SLOW SLOW HP MACHINE"
Edited by Truedeal - 4/15/12 at 7:00pm
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post #2 of 14
I can't quite tell if you're being serious?

The fan was not designed for 12v and it is going to die. The scent is burning components due to overvolting.
post #3 of 14
Thread Starter 
Quote:
Originally Posted by kiwiasian View Post

I can't quite tell if you're being serious?
The fan was not designed for 12v and it is going to die. The scent is burning components due to overvolting.

How long will it take to die?
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Kingston SSD(now) 96GB WD Green 1TB Crucial MX300 750GB LG Electronics 14x Internal BDXL 
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post #4 of 14
Thread Starter 
Quote:
Originally Posted by Truedeal View Post

How long will it take to die?

And Ill give you some "Serious" Pictures
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post #5 of 14
Thread Starter 
Here we go:
434
This is a picture of the usb 2.0 that goes with the fan.
This one is the 12 volt dc that i use to make it run much faster.
433
biggrin.gif
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post #6 of 14
Thread Starter 
Anyone?
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post #7 of 14
Could be days, could be a few weeks. We're not sure.
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post #8 of 14
Thread Starter 
Im a little scared to run it, Im not sure if it will set on fire or anything. Ill do a 5 minute run for smoke or anything dangerous other than the scent.
BSOD Machine
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CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1350/1500 16GB of stuff 
Hard DriveHard DriveHard DriveOptical Drive
Kingston SSD(now) 96GB WD Green 1TB Crucial MX300 750GB LG Electronics 14x Internal BDXL 
CoolingOSMonitorKeyboard
Hyper 212+ Push/Pull Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard 
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EVGA 850 BQ Xclio 320 Black Sentey NEBULUS mouse ASUS Xonar DG 5.1 
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BSOD Machine
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CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1350/1500 16GB of stuff 
Hard DriveHard DriveHard DriveOptical Drive
Kingston SSD(now) 96GB WD Green 1TB Crucial MX300 750GB LG Electronics 14x Internal BDXL 
CoolingOSMonitorKeyboard
Hyper 212+ Push/Pull Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard 
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EVGA 850 BQ Xclio 320 Black Sentey NEBULUS mouse ASUS Xonar DG 5.1 
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post #9 of 14
I know you want the speed, but you might want to come down on that voltage unless those fans are made to run on 12 volts..As for how long they will last, that's hard to tell, it depends on how much voltage they are originally meant to run on. The smell is either your fans frying, like was previously posted, or burning dust (from voltage/speed/heat) if the fans were never cleaned
post #10 of 14
Thread Starter 
Alright biggrin.gif, i just run them when temps are over 60c anyways now that i heard that the noise may potentially be the fans burning out.
BSOD Machine
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CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1350/1500 16GB of stuff 
Hard DriveHard DriveHard DriveOptical Drive
Kingston SSD(now) 96GB WD Green 1TB Crucial MX300 750GB LG Electronics 14x Internal BDXL 
CoolingOSMonitorKeyboard
Hyper 212+ Push/Pull Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard 
PowerCaseMouseAudio
EVGA 850 BQ Xclio 320 Black Sentey NEBULUS mouse ASUS Xonar DG 5.1 
  hide details  
Reply
BSOD Machine
(16 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 6300 @ 4.80 GHz Gigabyte 990FXA UD3(Rev 4.1) MSI Gaming R9 270X 2GB @ 1350/1500 16GB of stuff 
Hard DriveHard DriveHard DriveOptical Drive
Kingston SSD(now) 96GB WD Green 1TB Crucial MX300 750GB LG Electronics 14x Internal BDXL 
CoolingOSMonitorKeyboard
Hyper 212+ Push/Pull Windows10 Home Premium 64 Bit ASUS VN289 Azio Large Print Tri-Color Backlit Wired Keyboard 
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