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First WC loop. Comments?

post #1 of 3
Thread Starter 
Hey all. I am planning to finally WC my rig and start OCing the way it was meant to be. I am getting the following parts:
1. 1 x EK Supreme HF Full nickel (used by another OCN member since 2010 so probably not EN)
2. 1 x Black Ice GTX 360 Gen 2 Radiator.
3. 6 x 7/16" ID Bitspower Compression Fittings
4. 3 x Gentle Typhoon AP-15 (not ordered yet)
5. 1 x Swiftec MCP-35x Pump
5. Bay type reservoir (undecided)
6. 1/2" Tubing (undecided)

For now The loop will include CPU block only. Later a EK-FC580 will be added in the loop. Then maybe another GPU and another 240 rad.

Does the loop/components look ok? Here's a plan based on my case. (Click to show)
haf932black1.png

I also have some questions:

1. My RAD has shown to perform better with fans in high RPM (= high CFM). Are the proposed fans up to the task? I'm talking CPU at about 1.375v and as high OC possible plus OCed GTX 580 at 1150mV.

2. I was also reading about What pump to choose. And now I wonder... is there such a thing as too much flow rate?
See, I was doing a quick calculation based on this small guide
Quote:
Originally Posted by charliehorse55 View Post

Pressure Drop figures for components
Radiators: 0.20 PSI each (the size of the radiator has no real effect)
CPU Block: 1.1 PSI
GPU block: 0.9 PSI
Motherboard block: 2.0 PSI (fullcover)
Fittings: 0.3 PSI for the entire loop
Tubing: 0.5 PSI per meter (3.3 feet)
Reservoir: Negligible

If you run your GPU blocks in parallel, divide the PSI drop by the number of blocks, so if you have 3 blocks in parallel you would only add 0.3 PSI to the total.

*Exceptions*
HW Labs GTX Radiators are around 1.2 PSI each
Anything by aquacomputer is about double the normal pressure drop


Now that you have the total pressure drop for your loop, find a pump that can handle at least that much pressure at 1 GPM of flow.

Maximum Head Pressure at 1.0 GPM

Iwaki RD-30: 13.72 PSI
MCP35X Stock: 6.52 PSI
MCP355 + XSPC Top: 6.14 PSI
MCP655 + EK Top: 4.95 PSI

And it looks like until I add a VGA block to my system the head pressure from my pump will be [ 6.52 - ( 1.1 + 0.3 + 0.5 + 1.2 ) ] = ~ 3.4 PSI. The pump, at 6.52 PSI gives a flow rate of ~ 4.75 GPM. So, ignoring the curve, at 3.4 PSI the pump will be giving flow rate of more than 2.5 GPM. Is that bad for components in the loop or cooling in general?

TL;DR

1. Comment on the loop if there is something I am missing.
2. Are the fans I picked fine with the rad in pull setup?
3. Too much flow rate bad for the loop?
4. Recommend me a bay res that works well with my pump.
    
CPUMotherboardGraphicsRAM
i7-2600K Maximus IV Gene-z eVGA GTX 580 G.SKILL 2x2GB DDR3-1600 CL9 
Hard DriveCoolingOSMonitor
Crucial M4 128GiB Intel Stock Windows 7 ASUS VG236HE 
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CPUMotherboardGraphicsRAM
i7-2600K Maximus IV Gene-z eVGA GTX 580 G.SKILL 2x2GB DDR3-1600 CL9 
Hard DriveCoolingOSMonitor
Crucial M4 128GiB Intel Stock Windows 7 ASUS VG236HE 
KeyboardPowerCaseMouse
Logitech Illuminated Wired Corsair TX750 HAF 932 Logitech G500 
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Neatly folded Microcenter monthly ad 
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post #2 of 3
Quote:
Originally Posted by metalmayhem9 View Post

1. My RAD has shown to perform better with fans in high RPM (= high CFM). Are the proposed fans up to the task? I'm talking CPU at about 1.375v and as high OC possible plus OCed GTX 580 at 1150mV.
2. I was also reading about What pump to choose. And now I wonder... is there such a thing as too much flow rate?
See, I was doing a quick calculation based on this small guide
And it looks like until I add a VGA block to my system the head pressure from my pump will be [ 6.52 - ( 1.1 + 0.3 + 0.5 + 1.2 ) ] = ~ 3.4 PSI. The pump, at 6.52 PSI gives a flow rate of ~ 4.75 GPM. So, ignoring the curve, at 3.4 PSI the pump will be giving flow rate of more than 2.5 GPM. Is that bad for components in the loop or cooling in general?
TL;DR
1. Comment on the loop if there is something I am missing.
2. Are the fans I picked fine with the rad in pull setup?
3. Too much flow rate bad for the loop?
4. Recommend me a bay res that works well with my pump.

1. You want to get tubing to match the size of your compression fittings, both ID and OD, or you'll likely have problems getting a seal. People using undersized tubing on barbs do it to get away without using clamps, but I still don't personally trust that for longevity. If you're getting 1/2" ID 3/4" OD compression fittings, get the same for tubing.

2. At 1850rpm (AP-15s speed) the GTX 360 is just middle of the pack. An Alphacool UT60, Swiftech MCR320-XP, or even XSPC RX360 would perform better with those fans. You really need something like 2600rpm fans or higher to put the GTX 360 on top.

3. There is such a thing as too much flow rate, but it's nothing that the typical water cooling pumps can put out. The MCP-35X would be just fine for your loop, even adding 2 GPU blocks and another radiator later.

4. I use an MCP-350 in this res, any of the DDC-style pumps (including the 35X) work great in it.
Primary System
(18 items)
 
  
CPUMotherboardGraphicsRAM
i7 860 Gigabyte P55A-UD4P 2x EVGA GTX460 2x 4gb Corsair Vengeance 
Hard DriveCoolingCoolingCooling
Samsung F4 XSPC Rasa cpu block 2x XSPC Razor 460 Black Ice GTX 360 
CoolingOSMonitorKeyboard
MCP-350 Windows 7 64bit Samsung SyncMaster SA300 23" Filco Majestouch "Otaku" Tenkeyless 
PowerCaseMouseAudio
Corsair TX850W v1 NZXT Whisper Logitech Performance MX Altec Lansing ATP3 
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Primary System
(18 items)
 
  
CPUMotherboardGraphicsRAM
i7 860 Gigabyte P55A-UD4P 2x EVGA GTX460 2x 4gb Corsair Vengeance 
Hard DriveCoolingCoolingCooling
Samsung F4 XSPC Rasa cpu block 2x XSPC Razor 460 Black Ice GTX 360 
CoolingOSMonitorKeyboard
MCP-350 Windows 7 64bit Samsung SyncMaster SA300 23" Filco Majestouch "Otaku" Tenkeyless 
PowerCaseMouseAudio
Corsair TX850W v1 NZXT Whisper Logitech Performance MX Altec Lansing ATP3 
  hide details  
Reply
post #3 of 3
Thread Starter 
The seller I was working with sold his stuff to someone else. I guess I will revive this thread once I manage parts for cheaper.

Thanks for advice.
    
CPUMotherboardGraphicsRAM
i7-2600K Maximus IV Gene-z eVGA GTX 580 G.SKILL 2x2GB DDR3-1600 CL9 
Hard DriveCoolingOSMonitor
Crucial M4 128GiB Intel Stock Windows 7 ASUS VG236HE 
KeyboardPowerCaseMouse
Logitech Illuminated Wired Corsair TX750 HAF 932 Logitech G500 
Mouse Pad
Neatly folded Microcenter monthly ad 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7-2600K Maximus IV Gene-z eVGA GTX 580 G.SKILL 2x2GB DDR3-1600 CL9 
Hard DriveCoolingOSMonitor
Crucial M4 128GiB Intel Stock Windows 7 ASUS VG236HE 
KeyboardPowerCaseMouse
Logitech Illuminated Wired Corsair TX750 HAF 932 Logitech G500 
Mouse Pad
Neatly folded Microcenter monthly ad 
  hide details  
Reply
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