fan / extractor
Wednesday, February 18, 2009
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In most configurations front, internal disorders., air flow the back of the box is such that air enters the PCI slots. Actually, this happens because most banks use a negative pressure settings (fans are forcing more outflow in the input box.
can force the air out using a PCI slot " blower "or PCI slot fan (like the one pictured). But all I've seen commercials small fans mounted centrifugal flow (blade shaped like that usually take the graphs). Being small to move a little air must operate at many speeds, and therefore tend to be noisy .
solution to achieve the same thing but in a way that all is quiet is quiet blower build a home, from a 12cm fan.
Here's the result (it is a prototype, a bit shabby done with a scythe fan that came with the ninja and a CD case, I get better;)):
is designed to allow air to pick it up through the hole in the left photo (first photo), and pull through the hole you see in the picture on the right (top photo).
And here the invention implemented:
The results are good. Temperatures have dropped micro (now do not get much heat from the graph). And the graph that once had a 92mm fan in the hr-03 also down (though only a few degrees). And the noise
course has also dropped. The blower home runs at 450 rpm, while the previous fan in the hr-03 (9cm nexus) operated at 700 rpm.
EDIT (23/02/1908): Latest version of the extractor, prepared to put up a graph with a accelero S1:
EDIT (18/03/2008): Final version with the graphics on your site (some temperature data here )
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