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Need help finding a fan

MountaineerTom

By MountaineerTom
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MountaineerTom Senior Enthusiast

MountaineerTom

Posted
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I'm looking for a fan that I can mount in the back of my desk, where the computer compartment is, to help draw hot air out. I'd like to get a 4 or 5 inch electric fan with a switch if possible. Anyone know where to get one? I've looked around some of the local stores, but no one has them. I used to have one on a desk many years ago. It was the kind that you cut a hole in the board, and then mount the fan. It had grills on each side so you stick your fingers or other objects in there.

 

Any sources?

 

Thanks. :D

mmmikkke Senior Enthusiast

mmmikkke

Posted
Posted

Buy yourself a 12V DC computer case cooling fan. There are some that run at 26dB, pretty quiet.

 

Here's one... Pabst Quiet Fan

For this fan, for example, you'll just need to buy yourself a 12V DC adaptor that puts out equal or more mA than the fan draws. Since this fan draws 37 mA, your adaptor should be capable of more, say 50mA or more. It's even ok to use an adaptor capable of lots more mA. It'll only use what it needs, the rest wil be reserve.

 

You'll have to cut off the computer connector, and just wire the red and black wires directly to the wires coming out of the adaptor. Then plug your adaptor into your power strip and you're good to go.

MountaineerTom Senior Enthusiast

MountaineerTom

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You can do that, hook a case fan up to an A/C plug?

 

What kind of A/C adapter are you talking about? Anything specific?

mmmikkke Senior Enthusiast

mmmikkke

Posted
Posted
You can do that, hook a case fan up to an A/C plug? 

 

What kind of A/C adapter are you talking about?  Anything specific?

 

 

 

Well, it's a voltage adaptor, but it puts out DC. There's probably one on your phone, dustbuster, HP printer, etc.

 

Just the standard voltage adaptor like you can buy at Walmart or :D Radio Shack.

 

It needs to put out 12V DC ( NOT AC ) and enough current (amps or milliamps) to power the fan with at least 20% to spare.

 

(Note that there are 1000 milliamps in an amp.)

 

All adaptors will have their voltage and current (amps or milliamps) on their specifications plate. You can probably even find one laying around the garage that will work.

Wingnut Senior Enthusiast

Wingnut

Posted
Posted

Or, you could just use a regular case fan, and run the wires from inside your case to it.

 

Just don't yank the computer out before unplugging it. :D

RAYS B4U Enthusiast

RAYS B4U

Posted
Posted

 

Staples has a Hunt Boston 4" Personal Fan for $15. I tried posting a direct link to it but it asks for a dang zip code.

MountaineerTom Senior Enthusiast

MountaineerTom

Posted
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Thanks for the replies. I ended up getting this A/C fan and buying some lamp wire, a switch, and a plug at Lowes.

 

I put a thermometer in there for about 20 minutes with the computer on and the door closed. When I checked it, it read 92*. After installing the fan, I put the thermometer back in for 15-20 minutes, and it read 74*. :cheers:

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