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[Worklog-to-be]How to position a radiator - Topside or downside?

post #1 of 33
Thread Starter 
So, im planning on WC'ing my 6950(single loop), using the following WC stuff:

XSPC RS240 - Black
XSPC X2O 450 Pump/Reservoir(450L/hour)
EK - FC6970 - Acetal(not in stock atm, so will order next-next month)

Now, are there any disadvantages to positioning a radiator topside, so that the water will have to like, go up to the radiator from the pump, which is at the bottom?
Edited by Davidsen - 3/9/11 at 3:36pm
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post #2 of 33
no difference how you mount it. or which to use for inlet/outlet. just have enough space for the fans to push thru the rad.
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post #3 of 33
You will be perfectly fine. Although there are no reviews or testing (as far as I know of) about which produces better flow/temps, a radiator on the bottom of the case or at the top of the case, nearly everyone here that has an internal mounted radiator has it on the top of the case. I have never seen anyone complain. I as well have a rs240 mounted to the top of my case and it works beautifully.
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post #4 of 33
Use gravity to it's best advantage.

Pumping up hill through the core is just more work for the pump.
    
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post #5 of 33
Thread Starter 
Alrighty, thanks for the reply's. smile.gif
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post #6 of 33
Thread Starter 
How would 4x 57 CFM fans perform with the RS240, against the heat the 6950 produce while OC'd?

This is a budget WC setup, so kinda going cheap'ish on the fans. redface.gif
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post #7 of 33
The rs240 is designed for lower rpm fans. Add that to the fact that you will be in push/pull, you'll be fine.
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post #8 of 33
Once the loop is fully bled of air there is no difference in pressure for the pump based on orientation. If you put the radiator in the top of the case the water coming back down would put suction on the water coming up, making the net work for the pump 0.

Therefore there will be no difference in temperature if you mount the radiator on the top or on the bottom.
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post #9 of 33
Thread Starter 
Thanks again, for the reply's. smile.gif
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post #10 of 33
Thank you to Charliehorse for making that point...everyone always assumes its 'difficult work' for a pump to 'push water uphill'.

Not even remotely the case...consider the loop a continuous chain...it's pushing as much as it's pulling water...like a continuous rope around pulleys.
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