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Radiator advice

D

daragon

Limp Gawd
Joined
Feb 17, 2005
Messages
224
I have one of those koolance cases with built in water cooling, the older one with 3 fans.(I'll post pics when I get home) I was playing Dawn of War last night and noticed that it was fighting to keep my temps below 40. It was then that I decided to get a 2nd radiator, because I never really trusted that koolance one neway.
So, I went to newegg and searched for radiator this morning. It returned only 1 stand alone radiator(by Thermaltake), and a couple complete kits. I know that water cooling is a very opinionated group of people, but I'll ask anyway. What is the best radiator to use as a 2nd one to turn on only when gaming or to fight high temps? Advice and suggestions are greatly appreciated.

BTW: I value my silence. I went as far as to take apart my koolance case and replace the fans to make this mo silent. I'm not above taking apart or modding any radiator suggested to make it quieter or more efficient
 
If I am reading your requirements correctly, you are looking for:

A passive radiator (no Fans)
External from the Koolance system as well as the computer case.

Some questions come up though:

Do you want it to use the same size tubing as the Koolance?
Are you willing to add an additional pump to handle the load of the additional tubing and radiator?
When you say turn it on and off are you thinking of using a set of valves to open and close the extended loop?
 
Your biggest problem will be the dinky little pump in the koolance kit. Adding a second radiator, especially with valves, will most likely cut your flow rate in half. I would check for one of the many automotive type radiators recommended here, and see if you can swap one into your current loop, getting rid of the standard one that came with the kit. Might be able to fit that obligatory 77 boneville heater core in it. That would give you all the cooling area you need.
 
Sorry if I was unclear, as I usually am.
I am looking for any radiator, passive or not, that can help cool this thing while gamming. My only requirement is that it be quiet, or have a variable fan speed so i can make it so when I'm not using the computer. While I'm gaming, i don't care how loud it is.
I would prefer internal, but if an external one works better, so be it.
Answers:
1. I would like to use the same size tubing, because I was under the impression that if your whole system isn't the same size tubing, your performance is restricted to your smallest section of tubing. ie. if you have huge tubing running into a radiator built for tiny tubing, it's all waisted. I recently upgraded all my tubing from 1/4 to 3/8 and I made it easily disassemble-able, so I'm not above upgrading again if necessary. Edit: But I just realized that that would require me to replace my waterblocks, and I'm not up for that.
2. If I add another pump and resivior, I'm going to want to get rid of the crappy koolance resivior/pump combo, which has cracked on me twice. But I'm trying not to drop a lot of money on this, as it is not vital to function. So if it can be come cheaply, then I have no problem with that.
3. No, I want want water going through it at all times. I just want to be able to control the fan speed, so I can make it quiet when the computer is not in use.
 
40*c is not a high temp at all. Is their a specific reason you chose 40 as the max temp?
 
well, because I leave the fans on my computer on auto most of the time. In that setting, they are quiet and spin at a low speed. When the temperature gets higher, 35 to be exact, they kick up to a higher setting, cooling the comp down again. When the temperature gets to 45, it shuts the system down immediatly. I want 40 to be my max because I don't want any risk of the computer shutting down while I'm doing anything.
 
Edit: Changed my mind, no bump, but I got an idea.

So I was playing DoW again with weekend and it froze. I decided to see why it froze and I noticed that there seems to be a problem with my video card water block. It seems to collect air, so my video card is not being cooled well.

I was thinking about getting a T connector and hooking it up so that the straight thru would both be 3/8, but the part that splits off would be a bigger size, something like 1/2 or something ridiculus like that. Then I would manage to get the large tube to stand upright and cap it off at the end. This would create a new high point and all the air in my pipes would eventually end up there. Does anyone see a problem with this?

Then if I felt up to it, I could take the cap off the large tube and have any easy way into my water system.
 
I think a more important thing to do is to figure out where the air is coming from and get rid of it. :)
 
The air is in there because koolance, in there infinite wisdom, decided to design the case so that you have to turn it upside-down to fill it. Effectively screwing up all the normal flow patterns, and making it hard as hell to fill. I may decide to turn it over and top it off, eventualy.
 
daragon said:
The air is in there because koolance, in there infinite wisdom, decided to design the case so that you have to turn it upside-down to fill it. Effectively screwing up all the normal flow patterns, and making it hard as hell to fill. I may decide to turn it over and top it off, eventualy.
Click to expand...

I have an Exos I with the same problem. However, I got creative and filled it once and let it run for a while. Then I turned it upside down and got out a 10cc syringe and an 18 gauge x 1.5" needle. I very carefully injected coolant into the areas where you wouldn't normally be able to fill by tilting it on it's side. I alternated this with sucking air out of the pockets by aspirating with the same syringe. :D

Now if you want the less hassle solution then you get a replacement Koolance pump/reservoir and eliminate the problem more effectively.
 
I was thinking about using a siringe, but I didn't want to stab my hoses full of holes.

The link you gave is to and Exos replacement pump/reservoir. Would that fit in my case? Well, I know it will fit, but will I be able to screw it down so it doesn't rattle around?
 
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