It is currently Thu Dec 18, 2014 3:19 am

All times are UTC - 8 hours




Post new topic Reply to topic  [ 7 posts ] 
Author Message
 Post subject: Replacing failing Scythe Slipstreams - Opinions?
PostPosted: Thu Apr 05, 2012 2:04 pm 
Offline

Joined: Wed Aug 23, 2006 7:09 pm
Posts: 536
Location: Nova Scotia, Canada
I have a P-182 that is currently cooled using Scythe Slipstreams.

(top, rear and CPU heatsink (HR-01) are 800 rpm, front and lower compartment are 1200 rpm)

All fans are about 3.5 years old. Within the last two or three months, the CPU fan, front fan and top fan have started to fail with speeds dropping to 100-400rpm (occasionally to 0 or not starting at all with out a little help). The top one is understandable as sleeve bearing fans don't do that well mounted horizontally.

All fans are currently running off the motherboard fan headers (but without motherboard speed control enabled).

I was considering replacing all fans with either Noctuas (non-PWM) or Scythe Gentle Typhoons.

Opinions, or alternative suggestions welcome.

_________________
Obsolesence is just a lack of imagination!


Top
 Profile  
 
 Post subject: Re: Replacing failing Scythe Slipstreams - Opinions?
PostPosted: Thu Apr 05, 2012 3:43 pm 
Offline

Joined: Thu Feb 04, 2010 6:06 pm
Posts: 3395
Location: US
Get one Nexus and one Noctua. Experiment with them. Then decide that your third fan should be. I would expect that Noctua to be long lived in a horizontal position.

_________________
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
"Aristotle calls man the rational animal. All my life I have been seeking evidence to confirm this" Bertrand Russell
"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former" Albert Einstein


Top
 Profile  
 
 Post subject: Re: Replacing failing Scythe Slipstreams - Opinions?
PostPosted: Thu Apr 05, 2012 9:41 pm 
Offline

Joined: Fri Aug 05, 2005 3:29 am
Posts: 1240
Location: UK
With PWM control you could reduce the number of fans you currently have. For example, instead of top, rear and CPU you could consider a Noctua NF-F12 PWM 120mm Focused Flow on the CPU and a Noctua NF-P12 PWM 120mm for the rear. Noctua supply a PWM sharing cable which you can use to link the CPU and rear fans. The PWM fans are clearly going to idle some way below 800 rpm. They might well go over 800 rpm under load. You could compensate for this by removing the top fan entirely and covering the opening. Of the remaining Slipsteams you could move the lower compartment 1200 to the front fan position, and move the 800 rpm from the rear to the lower compartment. If you put the front 1200 rpm front fan under motherboard control it would give a quieter idle.


Top
 Profile  
 
 Post subject: Re: Replacing failing Scythe Slipstreams - Opinions?
PostPosted: Fri Apr 06, 2012 4:12 am 
Offline

Joined: Sun Sep 05, 2004 1:51 pm
Posts: 686
Location: Gefle, Sweden
Try lubricating the motor of one of them if you have the time, just to see if that's all it takes.

Otherwise when buying fans I always look at at the affordability factor. Unless a fan sits in a place where it's a chore to replace it doesn't seem reasonable to me to get a fan that costs several times more than a perfectly useable cheap one. As long as it fits the accoustic target of course which is the paramount factor. Unless one is building a system for someone else that is likely to both having it running unchanged for many years and not be quite so picky about the noise. Then there are more rugged stock fans that makes a bit more noise but remain fairly inexpensive.


Top
 Profile  
 
 Post subject: Re: Replacing failing Scythe Slipstreams - Opinions?
PostPosted: Fri Apr 06, 2012 8:51 am 
Offline
Friend of SPCR

Joined: Fri Jul 02, 2010 4:41 am
Posts: 709
Location: Denmark
If you're on a budget, or don't need the best cooling performance, then you could consider the Arctic Cooling F12 PWM fan. cheap PWM fans that have built-in PWM splitters.

_________________
Cooler Master Elite 341, Athlon II X3 425, Radeon 5750 (passive, fan zip-tied on), Crucial M4 64 GB.
Cooling: AC Alpine 64 Pro, rear exhaust Scythe Slipstream 800 rpm @ ~5 V


"SSD's: The difference between a casual jogger and a dog chasing a ball"


Top
 Profile  
 
 Post subject: Re: Replacing failing Scythe Slipstreams - Opinions?
PostPosted: Fri Apr 06, 2012 9:45 am 
Offline

Joined: Thu Feb 04, 2010 6:06 pm
Posts: 3395
Location: US
mkk wrote:
Try lubricating the motor of one of them if you have the time, just to see if that's all it takes.


Here is how to lubricate the fans
viewtopic.php?p=541788#p541788

_________________
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
"Aristotle calls man the rational animal. All my life I have been seeking evidence to confirm this" Bertrand Russell
"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former" Albert Einstein


Top
 Profile  
 
 Post subject: Re: Replacing failing Scythe Slipstreams - Opinions?
PostPosted: Fri Apr 06, 2012 11:38 am 
Offline

Joined: Sat Apr 30, 2005 4:29 pm
Posts: 108
Take the blades off, clean everything, lubricate with something recommended in the quetes posted by ces in his thread and it will be like new.

It takes 3 minutes / fan.

http://www.instructables.com/id/How-to- ... /?ALLSTEPS


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 7 posts ] 

All times are UTC - 8 hours


Who is online

Users browsing this forum: No registered users and 2 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group