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OK, Now on to fan selection... - Page 2

post #11 of 24
Quote:
Originally Posted by htprsut View Post
Somone told me you can have "dead spots" by using fan bodies as shrouds. Anyone have any thoughts?
Its the opposite. By using fan boddies as shrouds, you are reducing the dead spots be moving the fans farther from the RAD's surface. The dead spot created directly in front of the fan's hub is reduced as the fan is farther from the RAD itself.
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post #12 of 24
Thread Starter 
Quote:
Originally Posted by ericeod View Post
Its the opposite. By using fan boddies as shrouds, you are reducing the dead spots be moving the fans farther from the RAD's surface. The dead spot created directly in front of the fan's hub is reduced as the fan is farther from the RAD itself.
I think they were talking about the corner areas of the fan bodies. Since the area is more or less a circle instead of covering a whole square section. Not sure. What you are saying makes sense too.
    
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post #13 of 24
Quote:
Originally Posted by htprsut View Post
I think they were talking about the corner areas of the fan bodies. Since the area is more or less a circle instead of covering a whole square section. Not sure. What you are saying makes sense too.
So you are saying the fan body blocks the airflow and a shroud would be better as it doesnt? That is true. TBH, I use fan bodies to put the fans farther from the surface of the rad to reduce the air resisitance, and in turn, reducing the fan noise.

I recently bought a 120.3 fan shroud, but it wouldnt fit, so I have my fans mounted in a pull config on my rad...
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post #14 of 24
Ultra Kaze, anyone?
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post #15 of 24
Thread Starter 
Quote:
Originally Posted by Adrienspawn View Post
Ultra Kaze, anyone?
nice... 88cfm at 34db's

Nice fans
    
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post #16 of 24
SilenX or Panaflow.
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post #17 of 24
Quote:
Originally Posted by MrSpock2002 View Post
SilenX or Panaflow.
No SilenX, Panaflo if your budget is tight, Ultra Kaze since best cfm/dba ratio at a reasonable price.


Theres a little fan section in my ''air cooling for dummies'' sigges thread if you want to quickly learn the basics. I'm an air-cooling guy, but fans are what ties us together
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post #18 of 24
Quote:
Originally Posted by htprsut View Post
Somone told me you can have "dead spots" by using fan bodies as shrouds. Anyone have any thoughts?
If you don't seal the shroud to the rad and the fans to the shroud it might..When everything is sealed up it pretty well pulls across all of the rad..I used to make my shrouds out of aluminum channel, I'd cut out semi-circles and all that to keep from restricting air flow...I cant tell any difference in temp's using gutted fans as shrouds or my custom ones....

I do a push-pull, it might make more of a difference with just a pull, I just really cant see it hurting air flow much...
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post #19 of 24
HV fans and a Zalman rheostat controller... adjust as needed
    
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post #20 of 24
Thread Starter 
Quote:
Originally Posted by ira-k View Post
If you don't seal the shroud to the rad and the fans to the shroud it might..When everything is sealed up it pretty well pulls across all of the rad..I used to make my shrouds out of aluminum channel, I'd cut out semi-circles and all that to keep from restricting air flow...I cant tell any difference in temp's using gutted fans as shrouds or my custom ones....

I do a push-pull, it might make more of a difference with just a pull, I just really cant see it hurting air flow much...
Anything in particular you use to seal the shrouds to the rad?
    
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