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post #21 of 26
Quote:
Originally Posted by ira-k View Post
The BIP was the first comp WC rad...It works well with lower cfm fans because of its low fin per inch...But even they work better up to around 140cfm before the curve starts flattening out...The BIX is thicker and has a higher fin density and work the best with 100+ cfm fans...


The GTS and GTX are the next generation Black Ice rad's...HW Labs say the GTS will outperform the BIX with lower cfm fans..I don't believe them anymore then I would Thermochill ...Just guessing from users experience I would go with 80+cfm fans for the GTS and 100+ cfm for the GTX...120x38mm of course...


Martin I bet there is as dramatic a difference switching from 120x25mm to 120x38mm as there is with the higher cfm...I have those 47cfm Yate loons sitting here and I still haven't tried them on my GTX...I'm going to have to do that soon and finish that testing...I'm getting so lazy its not even funny....
Yeah, I've been thinking of a different radiator setup for putting my panaflos back to work...they are definately produce better pressure which is more important for higher density radiators. I just think with the larger hub of those Panaflos it also become even more important that you have a good shroud to eliminate the even bigger dead spot. I'm thinking of building a big radiator box that completely encloses the rads and maybe experiment with an adjustable cold air intake to pull from my crawl space..

I just have to figure out something that can be adjusted to work all year around and have the ability to keep the air warm enough to keep above the dew point...
    
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post #22 of 26
Quote:
Originally Posted by DuckieHo View Post
Are you talking about the Nexus Real Silent fans? If so, they are Yate Loons. YL produces them. The Nexus are modded to run at 1000RPM while the stock ones run at 1350RPM.

Ahh , I thought they looked alot alight and they often had the same D12SL12 name, but the nexus had slightly different specs. I have to admit, I'm a quiet junky, but I can't see why you need quieter than the loons..if mounted right they are inaudible.
    
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post #23 of 26
You know there is one more interested trend you can see from that thermal chart.

Flow rate becomes more important the stronger the fans you put to them. Not quiet sure I undestand why , but look how flat the curves are on the bottom and then you get up to the panaflos and you start seeing the more typical radiator thermal curve where it's best to have at least 1-1.5 GPM.
    
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post #24 of 26
Quote:
Originally Posted by Martinm210 View Post
Yeah, I've been thinking of a different radiator setup for putting my panaflos back to work...they are definately produce better pressure which is more important for higher density radiators. I just think with the larger hub of those Panaflos it also become even more important that you have a good shroud to eliminate the even bigger dead spot. I'm thinking of building a big radiator box that completely encloses the rads and maybe experiment with an adjustable cold air intake to pull from my crawl space..

I just have to figure out something that can be adjusted to work all year around and have the ability to keep the air warm enough to keep above the dew point...
Yeah for sure put a decent shroud on them...I think 1.5" is supposed to be optimal, Dryadsoul made his out of some sheet aluminum and made them where he can mount at 1.5" or 3"...Rad box's are nice...Maybe do a split intake in the Winter half from the crawl-space and half from heating duct?

This is where I get some of my metals that I cant get locally..Shipping sucks though....If you only want to get a partial piece put your cut length in then just left click your mouse and you will see the new price with-out taking it all the way to check-out...I need to get some brass and 1.5 aluminum channel myself, I like channel to make my shrouds...
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^^^^ You starting to see all the variables now......I'll get you on the high flow and high cfm band-wagon yet......
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post #25 of 26
Thread Starter 
so shud i put 2 panaflo l1a or 4 yate loons on my bi gts 240?
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post #26 of 26
Off topic:
Nice! Yeah, I've been playing around with that google sketchit program, I'll post some ideas when I get them done.

On Topic:
I would put the panaflos on if you can afford them now and don't mind the slightly higher noise, you'll get alot more performance out of them and with both CPU and GPU in the same loop on a double and single rad, it would be worthwhile

I have loons on mine, but I'm fortunate enough to have a triple rad just for my CPU and one for my GPU/NB so I have alot of radiator surface area for the amount of heat I'm removing.
    
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