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Radiator mounting

post #1 of 7
Thread Starter 
I'm finalizing a future water cooling build, but I'm slightly stuck on how to mount a radiator to the back of my A900. I know that the usual method is to use the Radbox, but I would rather go the cheap homemade way. Before I proceed, I need to clarify how the radiators are attached to, well, whatever you attach them to. Do they have continuous holes through them where fans mount? Are they a certain thread? My goal is to put one cored out fan against the rear of the case, followed by one push fan, then the radiator followed by one pull fan. Ideally, I would connect these all together by "sandwiching" them together with four long threaded rods with nuts and washers at each end. I know that the fans will be compatible with this method, however I haven't so much as looked at a water cooling radiator before.
Edited by u238 - 6/25/08 at 9:35pm
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post #2 of 7
The threads are dependent on the rad. And NO, they do not go through, they go about 5mm at most into the rad's bracket on the side for mounting, any further and you'll puncture the rad.
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post #3 of 7
Thread Starter 
Hmmm. Will all radiators come with specific hardware to mount the unit to things and to mount fans? I'm trying to figure out what fasteners I'm going to use to stack all these things together.
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post #4 of 7
They should come with enough long screws to mount a 120x25mm fans on them, then they will have enough short screws to mount through just one flange on the fan...I'd use 120x38mm fans though on any rad for the higher pressure they have, they scavenge air through a rad better...

You have to be careful not to go to far through the metal fan mounts on the rad or you can hit a rad tube and cause a leak at the worst, and at the best bend up fins.....

The old BIP,BIX, Swifty rads all use 6-32 screws...The GTX and GTS use a metric size, M4..

Thermochill I'm not sure, I think they use a 6-32 also, but it may not either...
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post #5 of 7
Thread Starter 
Thanks a lot. What is the recommended way to anchor a radiator to a case with a fan and box in between? I'm thinking extended bolts.
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post #6 of 7
Quote:
Originally Posted by u238 View Post
Thanks a lot. What is the recommended way to anchor a radiator to a case with a fan and box in between? I'm thinking extended bolts.
Thats what I do, just get some all thread rod in the size you need and cut it to length...

The only thing I don't like about having the rad mounted with a gutted fan to the back of the case is that you will be pulling hotter case air through your rad, that can hurt you by several C, I would think...

Some guys mount them several inches from the back of the case with all thread rod, just make some little spacers for the rods, painted PVC tubing, rifle brass, anything really...The further you off set it from the case the more pressure that you will have on your rods, so you have to find a balance there...You can mount you rad to case on any of the rad fan mounts, you might want to mount your rad so that the bottom of it will be setting on your desk top, that will give it extra support and you can set it further back to avoid PSU and GPU hot exhaust from going into your rad...

EDIT: You can get some 3/4x1/8" thick aluminum flat bar at almost any hardware store and just make some brackets out of that, it would be a lot more sturdy then just using all thread...
Edited by ira-k - 6/27/08 at 10:01pm
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post #7 of 7
Thread Starter 
Great. Thanks for the help. It sounds like I will be going with threaded rods and nuts for spacers.
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