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Preassure drop question. 1 or 2 loops

post #1 of 17
Thread Starter 
I have 2 rads
a) is a Black Ice Extreme 220 (2x120mm) with 1/2 ID in ports.
b)The other is a 120mm Swiftech with 3/8" in ports.
I have 3 components to cool:
a) e6600 cpu with an apogee water block and a 245w peltier.
b) a 8800gtx with a swiftech mcr60-r water block
c) a swiftech northbridge block
The pump I have is a MCP655 which i think is one of the best out there.
My question is: Do i do 2 independent loops using y-splits? one loop for the 120mm rad using the 3/8"id tubbing cooling the gpu and NB. And the other loop for the cpu and the 240 rad using 1/2" ID tubbing for that.
Or... one giant loop all 1/2"ID tubbing exept when I get to the swiftech 120mm rad where I have to use 3/8" (I have the addapters).

I think by using a big loop the 120 will cause a major preassure drop. And by using the 2 loop idea the y-splits will also hinder the preasure.

here is what i mean:
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post #2 of 17
Why do you NEED to cool the northbridge? . . I say leave it out and put a decent art cooler on it. . . itll cause less problems and probably work just as well
 
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post #3 of 17
Thread Starter 
agreed. i thought of doing it bc i already have the block for it, is a swiftech made one
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post #4 of 17
well your not going to get good flow out of the split loop IMO . . I think your best be is to go pump -> 240mm -> CPU -> GPU . . leave the 3/8 fittings out as they will constrict flow as well . . or you can switch them for the 1/2" ones.
 
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post #5 of 17
Yeah I would run it all in series to..When you split loops the more restrictive blocks will get less flow, and the most restrictive block is usually the CPU,its hard to even it out with-out using manifolds and crap like that.....Just get some 1/2" barbs for the Swifty and you will be set...The NB if it doesn't just run screaming hot on that mobo I would just stick a good air cooler on it to....
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post #6 of 17
Thread Starter 
the thing is the NB from swiftech just dosnt restrict flow all that much. All the components are 1/2" ID exept for the 120mm swiftech rad. And im really affraid to run the pelt and the 8800gtx block with just a single 240mm rad
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post #7 of 17
Use them if you want to..I'd for sure get 1/2" barbs for the Swifty rad though...
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post #8 of 17
Do the one loop idea, the other one is still one loop BTW
    
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post #9 of 17
Thread Starter 
the swifty I got has the barbs welted on. maybe inside the siE is bigger but the entrance is still 3/8' .
irak do u think the 240 rad can handel the 245w pelt. maybe if I keep the gpu also out of the loop
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post #10 of 17
Quote:
Originally Posted by yoan33174 View Post
the swifty I got has the barbs welted on. maybe inside the siE is bigger but the entrance is still 3/8' .
irak do u think the 240 rad can handel the 245w pelt. maybe if I keep the gpu also out of the loop

Yeah it might if you have it on its own cpu only loop you would need some high cfm fans I would think...Use a shroud to it will help...The barbs are soldered or welded on the Swifty rad? Are you sure....The BIX is a pretty good rad with 100+ cfm fans on it...I used the 108cfm Sunon on mine in pull with shrouds and it always did well that was a WC'ing loop....Push-pull would be the best..


Well you will be running that pelt at 12V and its around 140W at 12V if I remember right then an OC'ed chip is what another 100-150W, I don't know the Intel heat dump so I'm just guessing...So with the pump heat dump you will be around 300W...Yeah you might squeak by if you use some high cfm fans with shrouds..
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