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2hotP3s
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« on: December 23, 2003, 03:09:29 AM » |
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*UPDATED WITH DIAGRAM* Internal 92mm fan mod w/ pics.
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2hotP3s
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« Reply #1 on: December 23, 2003, 03:09:29 AM » |
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Sorry about the pics, this is my first post with pics. I have been looking for fan mods but so far have only seen larger fans installed on the outside of the case. I made a foam fan shroud to replace the aluminum fan mount. It seals the radiator of the case and allows to mount a larger fan. I used zip-ties to fasten the fan to the case with the zip-tie head as the fastener (see pics). I mounted a Panaflo 92mm Low fan in the case and plan to replace it with a High version. When I use Smart-Fan (the 92mm Panaflo has speed sensing), my Radeon 9800 Pro fan is the loudest fan in my case. Two questions: Can I mount a High speed 92mm Panaflo to my mobo fan header? The fan specs are: The original Sunon specs are 39CFM, .18A, 2.1w, 2900rpm. 32db The 92mm Panaflo M is 48CFM, 150mA, 1.8W, 2450rpm, 30db The 92mm Panaflo H is 56CFM, 225mA, 2.7W, 2850rpm, 35db I heard that the max safe amperage per fan header is 350 mA, but it can go up to 400 mA, I'm not sure. RESULTS: I mounted the PanaFlo high 92mm fan. My temps are 33 idle and 46 at full load (running Prime95 and SuperPi at once). At idle, fan speed is reduced to near silent speed using SpeedFan (Now to quiet my videocard fan  ). Thanks, and I hope this helps others who want more cooling ideas without fans sticking out of the case  -2hot Pics can be found HERE in the shuttle fan mod folder |
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2hotP3s
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« Reply #2 on: December 23, 2003, 03:17:12 AM » |
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Im sorry about the pics, if they dont show, you can see them at http://briefcase.yahoo.com/rambot01in the shuttle_fan_mod folder |
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amoeba
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« Reply #3 on: December 23, 2003, 03:33:02 AM » |
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Not the prettiest fan mod in the world but a great idea!
How about your temperatures?
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2hotP3s
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« Reply #4 on: December 23, 2003, 03:40:24 AM » |
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With a low speed fan, the temps a couple degrees C lower, havent done much testing yet.
However, the noise level is drastically reduced.
-2hot
Edit: The foam also isolated the fan vibration from the case.
The only exterior difference is the zip-tie heads.
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dejacky
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« Reply #5 on: January 13, 2004, 01:55:33 PM » |
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how is the fan staying to the foam? is it glued?
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japala
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« Reply #6 on: January 13, 2004, 02:26:45 PM » |
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I see some dust between the fins on that radiator. By cleaning it you may get some even better results. Perhaps you should install some dust filters on intakes...
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2hotP3s
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« Reply #7 on: January 15, 2004, 12:24:09 PM » |
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I use zip ties to attach the fan to the case. The ties pass over and under the radiator and out of the screw holes in back. I fix the ties with zip tie heads, I then trim excess tie that sticks out from the back.
I use a Panaflo 92mm High fan off the mobo header and regulate speed with speedfan. Its very quiet at idle.
My temps are 33 idle and 46 at full load (running Prime95 and SuperPi).
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dejacky
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« Reply #8 on: January 19, 2004, 12:39:37 AM » |
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Are you overclocking? Perhaps you could lower load temp by increasing the size of your exhaust hole?
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2hotP3s
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« Reply #9 on: January 19, 2004, 03:44:25 AM » |
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I drilled the exhaust holes to make the grille less restrictive. Edit, not overclocking... yet |
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Muk
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« Reply #10 on: January 19, 2004, 09:15:57 PM » |
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on my internal 92mm fan mod i did not enlarge the exhaust hole because doing so would most likely make the air not pass thru the radiator as much and thus not cool as much.
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2hotP3s
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« Reply #11 on: January 20, 2004, 04:15:49 AM » |
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you are right Muk, I probably wasnt clear. I made the grill have bigger holes and less metal between them, i want more air to flow through the radiator, not around it. The shroud basically seals around the radiator and between the fan and rear of the case. All of the air is forced through the radiator. Japala: radiator has been cleaned since that last pic  -2hot |
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LoRDZiM
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« Reply #12 on: January 20, 2004, 06:05:29 PM » |
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cool
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dejacky
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« Reply #13 on: January 20, 2004, 08:04:44 PM » |
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that's why u cut a precise exhaust hole.
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kai920
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« Reply #14 on: January 20, 2004, 09:13:27 PM » |
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Interesting. I just found a spare Zalman 92mm laying around... its rated at 20dB @ 38cfm and 33dB @ 53cfm. I had also thought about getting a 80mm Coolermaster LED fan, rated at 25dB @ 32cfm. If I can get my hands on some foam I may try out this mod as well... I don't want any mod that involves hole-cutting |
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2hotP3s
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« Reply #15 on: January 21, 2004, 11:25:07 AM » |
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the foam is the type used to pack computers in boxes. not the styrofoam for monitors, the stiff closed cell type.
Ill type up and post dimensions when i get home from work
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merkman
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« Reply #16 on: January 21, 2004, 07:15:08 PM » |
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Maybe I'm confused, but it sounds like you basically created a 92mm to 80mm fan adapter and put a 92mm instead of an 80mm inside the case. If so, that's a pretty neat idea. I don't really like the idea of having a larger fan sticking outside my SB61G2. But if I could put a larger fan INSIDE and reduce my temps... I'd be ALL OVER that. |
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Muk
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« Reply #17 on: January 21, 2004, 11:08:39 PM » |
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It works very well and if i was at home i would scan in my design plans for my alunimum 92mm fan shroud...
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2hotP3s
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« Reply #18 on: January 22, 2004, 11:36:33 AM » |
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Yuo are right Merkman, its basically i foam shroud to mount a larger fan inside the case. Yeah Muk, it is very quiet at idle and cools well under load at speed. Speedfan is a sweet app to regulate fan speeds. Id be interested in seeing the aluminum shroud design Thanks for the comments guys! My shroud dimensions are forthcoming... -2hot |
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merkman
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« Reply #19 on: January 22, 2004, 05:25:32 PM » |
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Wow. That is really cool. The idea of using a bigger fan INSIDE the case hadn't occurred to me.
So give me an idea of what's involved. You need to clip or cut the "cage" that normally holds the 80mm fan. Then put a fan adapter in it's place, while incorporating the back of the ICE radiator. Then you simply attach a larger fan to the adapter, presumably some sort of good CFM but quieter 92mm... and you've improved temps without adding noise?
I look forward to more information about BOTH of your designs. I really like my SB61G2, but it runs VERY warm. And I don't believe the "fan hole" in the side of the case allowing my ATI 9700 Pro to breathe easier does enough. But I have been leary of adding fans to the top of my case, or putting a 92mm fan outside. This sounds like a GREAT option, if it will fit in my existing configuration.
Do you need the PCI or AGP slots empty to perform this mod?
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merkman
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« Reply #20 on: January 24, 2004, 10:59:39 AM » |
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No update on this? Would love to see how a 80mm to 92mm fan adapter could be used, and what kinda temps you get. If this really will fit in my SB61G2, and temps will drop with the same or less noise... I'm ready! |
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dejacky
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« Reply #21 on: February 02, 2004, 04:26:16 PM » |
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my concern is putting a 92mm fan inside the case when the exhaust hole is only 80mm. So, a nice forward flow cannot occur, because it will be hitting the back metal part of the case since the hole is too small. I'm sure the larger fan helps cooling, but it would be "cool" to have it all flow one way smoothly . |
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ozziegn
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« Reply #22 on: February 02, 2004, 04:51:42 PM » |
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you should go here and upload your pics so inpatient people like myself can see what your mod(s) look like. Yahoo is known to suck major donkey-doo for picture hosting due to their butt-slow speeds. |
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Brucey
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« Reply #23 on: February 04, 2004, 11:03:14 AM » |
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well I got curious, and am currently testing this with my sn45 I didnt make a shroud or anything, I had a spare antec smartfan 92 lieing around, its slightly louder than the silent x, but puts out 40 cfm right now its just duct taped (laugh) to the shuttle fanshroud for the 80mm sunon one, I'll probably fix up a better one when I get more results, but as of now 4C drop in temperature on cpu load 2C drop on power supply chipset same after 2 hours of DF it fits pretty easily too always the experimenter something to let me rest easier, is there a way for the machine to turn off if it goes above say..... 60C? I'm worried the tape might fail when I'm in the bathroom, I only plan to keep this for a day or so before I work on a new mount, but w00t |
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2hotP3s
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« Reply #24 on: February 05, 2004, 12:00:19 PM » |
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Ive resized the images to d/l faster... Yaay!! I finally got them to link correctly Merkman, Ill post a diagram of the shroud. Thanks for the interest! -2hot |
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