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Why don't they make fans out of metal? - Page 3

post #21 of 45
computer fans are normally low power and cheap...

there are plenty of metal 120mm's on the market, most of them take AC 110-240 and are loud...

they even make 120mm electric jet turbines... do you really want them?

there is a point where your airflow exceeds the thermal abilities of air and the surface you're trying to cool... this is why larger and better designed heatsinks work better...
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post #22 of 45
Quote:
Originally Posted by Jagged_Steel View Post
Here ya go. It's a rotating heatsink/fan.



http://www.extremetech.com/extreme/8...obref=obinsite
I lol'd that it's actually in R&D.
post #23 of 45
Metal fans you said? Those two at the bottom are what would be born if a GT-AP31 and a jet engine made babies...



The thing with metal fans is that they are more expensive to make than plastic ones and companies that cater to us don't really see the majority of us buying $40+ fans... I do, but one customer is not going to change a market.

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post #24 of 45
Quote:
Originally Posted by Smo View Post
Metal weighs more and would put more stress on the bearings, resulting in a shorter life expectancy.
This, and would be more expensive to make as well.
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post #25 of 45
WTB 5400 RPM 120mm Metal fan, it is needed for testing to see if it will cut a finger off.
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post #26 of 45
im pretty sure if you stick something hard in it..... no need to use a finger >_>
   
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post #27 of 45
Quote:
Originally Posted by Bobicon View Post
WTB 5400 RPM 120mm Metal fan, it is needed for testing to see if it will cut a finger off.
LOL...

I don't have any 5400 RPM fans, but I do have a few 6000 RPM fans...

Quote:
Originally Posted by chinesethunda View Post
im pretty sure if you stick something hard in it..... no need to use a finger >_>
That's what she said...

:chair:
Edited by xXSebaSXx - 8/21/11 at 12:48am
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post #28 of 45
I use a this fan and one day while fiddling with my PC my finger got knicked by a blade while the fan was at full power....it sucked. it hurt, and made a pretty deep cut on my finger. If it was a metal fan I would have probly lost it.
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post #29 of 45






All-metal fan, available for $14 here.
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post #30 of 45
Quote:
Originally Posted by xXSebaSXx View Post
Metal fans you said? Those two at the bottom are what would be born if a GT-AP31 and a jet engine made babies...



The thing with metal fans is that they are more expensive to make than plastic ones and companies that cater to us don't really see the majority of us buying $40+ fans... I do, but one customer is not going to change a market.

Only the casing is metal on those, the actual fan is plastic.
    
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