DIY USB Personal Fan

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Check out this DIY USB fan made from old CDs, cork and misc junk most of us have laying around the house. I don’t know how we didn’t see this one before.
 
not funny. i bet that's a nonforeigner preparing his next theorism attack on some unsuspecting preschool students. Parents and friends of parents will suddenly lose valuable media collections because some kid's parent never told them not to destroy media that isn't theirs.
 
who has a small motor like that laying around the house? i sure dont and no one i know does.. lol.

motor like that would cost more then a usb powered fan you can buy retail lol.
 
Ryle said:
who has a small motor like that laying around the house? i sure dont and no one i know does.. lol.

motor like that would cost more then a usb powered fan you can buy retail lol.
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lol true that, I used to have those little motors from RC cars, applied a battery to it with popsicle sticks, you got yourself a full fledged 2nd grade project
 
Ryle said:
who has a small motor like that laying around the house? i sure dont and no one i know does.. lol.

motor like that would cost more then a usb powered fan you can buy retail lol.
Click to expand...

could probably find one of those easier than a cork though...
 
Couldn't you theoretically do something similar with a case fan? I've got some old ones laying around and it's given me an idea for a 360 cooling project.
 
No. The fans would be intact. Unless by dismantling you mean cutting the molex connectors off so they're just bare wire connections. They're 80mm fans and I don't have or use cases that take 80mm fans anymore. I figure I could get some use out of them by having them cool my 360.

The idea would be to make a stand that would blow air up into the 360, and possibly maybe even have some kind of ducted exhaust to draw the hot air out.
 
srangara said:
That was wind blowing a turbine. This would be a fan blowing wind. TOTALLY different. What could possibly go wrong?
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Not at all differernt. The RPM's are what blew the turbine apart. I can only imagine the eye-splintering explosion of a broken CD spinning at 7200 rpm.
 
Modred189 said:
Not at all differernt. The RPM's are what blew the turbine apart. I can only imagine the eye-splintering explosion of a broken CD spinning at 7200 rpm.
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Agreed.

However, the Quantum 5¼" Bigfoot hard drive motors have a spindle speed of about 4,000rpm. They would be perfect for a project like this.
 
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