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Shuttle Fans, push or pull?

B

Blue Knight

Gawd
Joined
Dec 2, 2000
Messages
699
It's about time to clean out the guts of my SN41g2 so I wondering how you guys have your ICE setup. Is the 80mm fan pushing air out, or pulling air in? I remember Kyle stating on the homepage that his is set to pull air in, and that actually works better. I've already cut out the rear grill...but I don't want to add a 120mm fan just yet.

Just wondering what your experiences are. I used to get temps in the low 40's under load, but now they're hovering around the 50's....I think something musta become unseated.
 
Push. but I sugest just adding a second 80mm fan on the back on the outside. double the fan action. helps a bit.

Greg
 
isn't adding a 2nd fan on the outside practially useless if they both move the same amount of air? Fans in serial don't work too well right?

It's like shooting air down a tube...only so much goes through it....front end, back end, or both ends....the result is the same.
 
yes and no. if they were stacked ontop of eachother yea, but these are seperated by the ICE unit. so it works better.

Greg
 
Push by far. I think it was Steve that posted that. So stupid me went and tried it. My proc temps fell by one degree but my case temps went through the roof.
 
yea the box is designed to pull air through the little holes, cooling the other components, and then blow out the back. if you set it to suck air through the back then you'll get cooler proc temps sure, but you sacrifice the rest of your system.
 
I've had the push pull combo workin quite well on my SB75G2 , I've tried a single fan, temps were around about 43 idle and 48 load, a bit to high for my tastes. So I tried the push pull combination, a panaflo 80mm pushing in the inside, and a kingwin 80mm pulling on the outside, works pretty darn good. The trick is to control the fans in speedfan so the internal fan is rotating at a slower speed then the external fan, by doing this you should get some good temps, right now Im running 36 degrees idle and about 43 load, heres an image ta show, also its overclocked to 2.75Ghz from 2.53 Ghz.

speedfan.jpg
 
I would have to go with Push. I read about switching the fan around so I tried it and had that setup for a good bit on my system. Later on while at a lan a buddy of mine sitting across from me started laughing, when I asked why he pointed out to me that his shuttle setup in the stock way of push was setup behind mine with it's hot air blowing out and being sucked into my shuttle. Yes CPU temps dropped, but very little, but case temps went up. So needless to say I went back to the push method of cooling.
 
Mine pulls in, I figure outside the case is cooler,and you want the coolest air going over the heatsink.
 
SirShaw said:
I've had the push pull combo workin quite well on my SB75G2 , I've tried a single fan, temps were around about 43 idle and 48 load, a bit to high for my tastes. So I tried the push pull combination, a panaflo 80mm pushing in the inside, and a kingwin 80mm pulling on the outside, works pretty darn good. The trick is to control the fans in speedfan so the internal fan is rotating at a slower speed then the external fan, by doing this you should get some good temps, right now Im running 36 degrees idle and about 43 load, heres an image ta show, also its overclocked to 2.75Ghz from 2.53 Ghz.
Click to expand...

my CPU temps are a couple degrees cooler than yours and I'm only using one 80mm fan (on my SB75G2) thats mounted on the outside of the ICE.
 
ozziegn said:
my CPU temps are a couple degrees cooler than yours and I'm only using one 80mm fan (on my SB75G2) thats mounted on the outside of the ICE.
Click to expand...

what fan? and what processor yah running?
 
nexus_7 said:
Push. but I sugest just adding a second 80mm fan on the back on the outside. double the fan action. helps a bit.

Greg
Click to expand...

Agreed ^^

/Nod. Push/pull if the way to go. Two 80mm SilenX's seems to be the prefered method for many people at the moment. I'm using it now and it's working great.
 
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