wamason Posted November 12, 2003 Posted November 12, 2003 Hey everyone, this is my first post here, but I've been visiting the forum(s) for about a month now and I've found some very useful information. Now I have a question of my own. I haven't experimented with this yet, but I'd like to know if anyone else has, and if so, what were the results. I'm using a Thermaltake Volcano 7 (No +). I know it's not the best, but It was given to me about a week ago. Anyways, for anyone who is not familiar with it, the Heatsink is rather small (still larger than an oem AMD heatsync). And it uses an 80mm Fan. My question is: Has anyone ever tried stacking fans (placing one 80mm fan directly on top of another, firing in the same direction)? Would this increase airflow (I don't car about noise, I've worked in car audio for 8 years and am deaf anyway)? If anyone is wondering, I'll provide my current PC config for reference. AthlonXP 2100 Model 8 (Thoroughbred) Biostar M7VIT Pro MB w/ VIA KT-400 Chipset (just sent a Soyo Dragon Ultra KT-333 in for repair) 1GB Kingston DDR333 RAM XFX GeForce 4 4600 Ti GPU Onboard Audio & LAN Two 80GB Western Digital 8mb Caviar Ultra ATA 100 HDD's Lite-On 52x32x52 CDRW Ahanix Platinum XP Case w/ 4 80mm fans & 2 120mm fans If you need anymore info than that, let me know. Thanks Share this post Link to post Share on other sites More sharing options...
bishop245 Posted November 13, 2003 Posted November 13, 2003 i have not done it myself but it will only add a few cfm if any and probably wont cool much better if your wanting more cooling get a vantec tornado 80mm fan and mount it on the heatsink very load but good cooling Share this post Link to post Share on other sites More sharing options...
Guest Ballz2TheWallz Posted November 13, 2003 Posted November 13, 2003 yeah the 80mm tornado i belive pumps like 85cfm Share this post Link to post Share on other sites More sharing options...
howie b Posted November 13, 2003 Posted November 13, 2003 (edited) i cant remember who it was, but I remember a month or so back someone experimented with zip tying another fan to the side of the the HSF, so that it is perpendicular to it Edited November 13, 2003 by howie b Share this post Link to post Share on other sites More sharing options...
asus Posted November 13, 2003 Posted November 13, 2003 (edited) Dont do it! If you put a fan ontop of another fan, the air from the firsts pulls on the second fans blades and the air from the second pushes on the first ones blades, thus slowing them both down, if you dont beleve me, try it, I would sugest finding a good way you mount the fan in your case that will blow across the cpu/heatsink, and by the way, a valcano 7+ is a pretty good cooler, try mounting it with acr3 or 5, it will lower your temps! Edited November 13, 2003 by asus Share this post Link to post Share on other sites More sharing options...
ClayMeow Posted November 13, 2003 Posted November 13, 2003 Dont do it! If you put a fan ontop of another fan, the air from the firsts pulls on the second fans blades and the air from the second pushes on the first ones blades, thus slowing them both down, if you dont beleve me, try it, I would sugest finding a good way you mount the fan in your case that will blow across the cpu/heatsink, and by the way, a valcano 7+ is a pretty good cooler, try mounting it with acr3 or 5, it will lower your temps! what about the old Orbs? Weren't those stacked HSF's, with 2 fans? I think they were by thermaltake, the same company that makes the volcanoes. Share this post Link to post Share on other sites More sharing options...
wamason Posted November 13, 2003 Posted November 13, 2003 The Volcano I have is not a "Plus" series, but I think it will get the job done. I plan on using Artic Silver 3 as well. As far as a fan on the side of the heat sink, any thoughts there? I have several old fans from Pentium MMX processors (fairly small) that would easily attach to the side of the heatsink, but would that defeat the purpose? Thanks, Share this post Link to post Share on other sites More sharing options...
Sly_C Posted November 14, 2003 Posted November 14, 2003 80mm? go with a 92mm tornado with a 80-92mm converter, and i don't know about putting fans on the side, it might work if u could figure out a way to mount them but u would want them sucking air out since the cpu fan is blowing down on it. Share this post Link to post Share on other sites More sharing options...
wamason Posted November 14, 2003 Posted November 14, 2003 I think I've decided on a course of action. I'll mount a 90mm fan in my two lower 5.25" bays, so that it will fire toward the processor/heatsink. This might help draw more cool air in with another fan blowing right on the CPU fan/heatsink. Share this post Link to post Share on other sites More sharing options...
bigred Posted November 14, 2003 Posted November 14, 2003 what about the old Orbs? Weren't those stacked HSF's, with 2 fans? I think they were by thermaltake, the same company that makes the volcanoes. that's why we don't see orbs anymore.... Share this post Link to post Share on other sites More sharing options...
d3bruts1d Posted November 15, 2003 Posted November 15, 2003 I did it back in May If you look at the thread, you'll see in another pic, I had to use zip ties to keep the fan in place... it'd litterally push itself off the screws - Though wasn't mounted down. It droped the temp by 1 Share this post Link to post Share on other sites More sharing options...
kobalt Posted November 17, 2003 Posted November 17, 2003 That's your proof , if it pushes itself off the screws, the second fan(the one closer to the HS) is not drawing air fast enough, preventing any more cfm to get to HS Share this post Link to post Share on other sites More sharing options...
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