Mounting fan on Thermalright ultra 120 - Techist - Tech Forum

Go Back   Techist - Tech Forum > Computer Hardware > New Systems | Building and Buying
Click Here to Login
Closed Thread
Thread Tools Display Modes
Old 09-13-2007, 05:47 PM   #1 (permalink)
Super Techie
Join Date: Nov 2004
Posts: 351
Default Mounting fan on Thermalright ultra 120


I have just built my new system and am trying to decide which is the best way to mount the fan on the ultra 120. Should I have the fan mounted so its pushing cool air through the fins and on through to the rear case exhaust, or should i mount it on the other side of the cooler and have it suck all the heat from the fins and blow out through the rear case exhaust?

The reaosn i ask is becasue if i have it blowing through the fins, alot of the air is just pushing out over the top of the cooler and is quite loud because of the resistance from the fins.

Im after advice from anyone who has this cooler.


espeed is offline  
Old 09-13-2007, 05:48 PM   #2 (permalink)
peterhuang913's Avatar
Join Date: Dec 2005
Location: Los Angeles, California
Posts: 8,076
Send a message via AIM to peterhuang913
Default Re: Mounting fan on Thermalright ultra 120

First one: push air through fins and out the back.


My computer uses 1.5A-load, .8A-idle, .65A-standby, .05A-turned off on 125V.
"The spaces between your fingers were created so that another's could fill them in."
Originally Posted by Norcent View Post
I need to stop using the internet.
peterhuang913 is offline  
Old 09-13-2007, 05:57 PM   #3 (permalink)
Ultra Techie
Join Date: Aug 2007
Location: UK
Posts: 510
Default Re: Mounting fan on Thermalright ultra 120

I really don't see how it can matter that much. The two are equivalent, surely, its exactly the same principle. If the air is pushing over the top, move the fan down a bit. If anything I would suggest pushing onto the fins, because:
a)the flow is more 'concentrated' (i.e. if its pulling the air can approach the fan from a wider set of angles)
b)fans create swirl. The HS vanes deflect the swirl into longitudinal motion (like a crude version of a jet engine stator). This is good because high airflow speed = high heat transfer (high nussult numbers)
c)no interaction between exhaust fan and swirl from intake fan, due to the HS acting as a flow straightener.

Basically I'm pointing to some reasons why you could pick, but it really shouldn't matter. I see absolutely no reason why people spend extra cash to use 2 fans (one on each side). It makes no sense to me.

EDIT: if you are really bothered, try both and see which one gives lower temps!
Andyf is offline  
Old 09-13-2007, 06:03 PM   #4 (permalink)
Super Techie
Join Date: Nov 2004
Posts: 351
Default Re: Mounting fan on Thermalright ultra 120

unfortunately i cant lower the fan to much more as it will become out of alignment with wire bracket which holds it on, but i guess i could bend things....ill take a look. Also i will try pushing and pulling and monitor temp change.

espeed is offline  
Closed Thread

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Just got TR Ultra 120 eXtreme advancedgeek Overclocking and Modding 9 09-23-2007 01:54 PM

Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 09:09 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.