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Any benifits to adding a second rad(120mm) to existing setup?

post #1 of 7
Thread Starter 
I have a double thickness 240 Rad and was given a thick 120mm thick rad from a friend. Would it be beneficial to add it to the loop? I have just the space to add it to the very top of the computer since my 240's sit at the rear. I have a D5 pump bayres combo and prefer to have its speeds set between 1.5 - 2.5 for quite operation. For now its a CPU only loop and honestly I am happy with my temps, and this is something I am looking for more aesthetic reasons then anything

I understand it will be maybe 1C - 2C difference at most but I have heard sometimes people have gotten worse temps with adding a second rad, which worries me as I will also need adding an around an additional 20 inches of tubing in order to connect the two rads. Which will reduce the flow rate, not sure what kind of effects that would have.

need some advice from water cooling gurus and experts.
post #2 of 7
If you had the perfect spot for it in your case I would say go for it what the heck its a free rad, but since you mentioned you would have to add 20 inches of tubing I think thats enough to make it more trouble than its worth. Can you post a picture of your case and where you would be adding the radiator just for fun?
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post #3 of 7
Thread Starter 
here's a pic, sorry for stupid phone camera

http://i.imgur.com/4NpIkC0.jpg

as you can see even with proper fittings I will have to bring it down a lot (the tubing). I duno. what do you guys think? I just wanted to add it for de looks and for fun biggrin.gif but not at the cost of hindering my loops performance(flow rate) or increasing the sound or pump speeds beyond 2.5 - 3 or anything.
Edited by TheBirdman74 - 7/11/13 at 8:38pm
post #4 of 7
Thread Starter 
Bump? it cant be THAT bad? Come on, someone must have some suggestions or advice about this? Should I add this to my loop? Will it be worthwhile or actually make things worse by slowing down the flow rate like some people say?

or did all the WC guys leave OCN overnight? hannibalsmiley.png
Edited by TheBirdman74 - 7/12/13 at 1:43am
post #5 of 7
The vast majority of thick radiators are very low in restriction so it is very unlikely to affect your flow rate to any significant degree.

The extra 120 of rad space will probably lower temps slightly unless you have quite high speed fans on the 240 already, provided you can arrange the airflow so it is getting access to cool air. It can't make temps any worse but it can be nearly pointless if it is being fed already warmed air from another heat exchanger.

The only way more rad space could hurt anything is if there is not sufficient pump power, or if the radiators are positioned so that overall airflow is more restricted.

Either way its not a big deal and if you want to do it then do it.
Edited by Jakusonfire - 7/12/13 at 2:28am
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post #6 of 7
Quote:
Originally Posted by Jakusonfire View Post

The vast majority of thick radiators are very low in restriction so it is very unlikely to affect your flow rate to any significant degree.

This^^^

Once you add the tubing, there will be just as much water being pulled down by gravity as there is on the other tube.. This being the case, the amount of restriction being added to your loop is solely dependent on the radiator itself. As previously stated most modern radiators are really low in flow restriction.

Make sure your fans are on intake though, otherwise you'll be pulling in heated air from the chassis effectively rendering the radiator useless.
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post #7 of 7
Thread Starter 
+Reps thumb.gif

Any idea how should I connect it from radiator 1 to radiator 2? how can I make it look more pro? use Colored tubing? Black tubing to make it look more pro, I have clear tubing inside with colored fluid. So perhaps quick connects between the tubing or use the same colored tubing?

Should I go metal piping instead will probably take a lot of space from the rear of the chassis. gimme moar suggestions and ideas smile.gif
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