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post #12041 of 22193
You'd have to have a ridiculously insane pump for that to occur, though, so it's kind of moot.
post #12042 of 22193
Oh YEA!! Did a couple tubing runs.
Warning: Spoiler! (Click to show)

TCO
     
CPUMotherboardGraphicsGraphics
I7 5930K @ 4.5Ghz Asus Rampage V  GTX 980  GTX 980 
RAMRAMHard DriveHard Drive
Corsair Dominator Platinum 2666mhz DDR4 4 Gb Q... Dominator Light Bar Kits x 2 Crucial 240 SSD  Seagate 7200 Rpm Baracuda 
Hard DriveHard DriveHard DriveCooling
Seagate 7200 Rpm Baracuda Crucial M500 512 SSD Crucial M500 480 SSD EK 480mm Coolstream XTX x 2 
CoolingCoolingCoolingCooling
Tons of Fittings Supremacy Evo Copper EK  XSPC 240mm Radiator V3 x 2 Swiftech MCP35X PMW Pump DDC x 2 
CoolingCoolingCoolingCooling
EK Rampage V Mosfet WaterBlock Original CSQ NB Eloops B12 - 2 1300rpm  Phobia 8way 4pin Fan Controller x 2 Ek Single Link CSQ Bridge x 2 
CoolingCoolingCoolingCooling
Bitspower Z Tank (Clear) 250mm x 2 980 WaterBlocks x 2 Ek DDC Pump Top (Acrylic) x 2 Primochill 3/8" x 1/2" OD Clear Tubing 
CoolingCoolingOSMonitor
Bitspower 12mm Acyrlic Tubing 19" x 4  XSPC 3/8" x 1/2" Compression Fittings x 12 Windows 7 Professional 64 Bit Crossover 324K 
MonitorPowerCaseOther
Qnix 2710 Perfect Pixel 1440p  EVGA 1300 G2 CaseLabs SMA8 Darkside 12" Led Lighting  
CPUMotherboardGraphicsRAM
i7 7700k Asus Strix Z270i Gaming GALAX 980TI HOF Corsair Dominator Platinum DDR4 2400  
Hard DriveCoolingCoolingCooling
Crucial 512 SSD EK Supremacy EVO White Bitspower 150ml Reservoir POM White x 2 Swiftech 18w DDC x 2 
CoolingCoolingCoolingCooling
Bitspower 980ti HOF Waterblock (Clear)  EK SE 240mm Slim Radiator EK XE 240mm Radiator x 2 EK DDC Plexi top x 2  
OSKeyboardPowerCase
Windows 7 Professional NEX Moba White Pro EVGA 650 G2 Caselabs S3 
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CPUMotherboardGraphicsGraphics
I7 5930K @ 4.5Ghz Asus Rampage V  GTX 980  GTX 980 
RAMRAMHard DriveHard Drive
Corsair Dominator Platinum 2666mhz DDR4 4 Gb Q... Dominator Light Bar Kits x 2 Crucial 240 SSD  Seagate 7200 Rpm Baracuda 
Hard DriveHard DriveHard DriveCooling
Seagate 7200 Rpm Baracuda Crucial M500 512 SSD Crucial M500 480 SSD EK 480mm Coolstream XTX x 2 
CoolingCoolingCoolingCooling
Tons of Fittings Supremacy Evo Copper EK  XSPC 240mm Radiator V3 x 2 Swiftech MCP35X PMW Pump DDC x 2 
CoolingCoolingCoolingCooling
EK Rampage V Mosfet WaterBlock Original CSQ NB Eloops B12 - 2 1300rpm  Phobia 8way 4pin Fan Controller x 2 Ek Single Link CSQ Bridge x 2 
CoolingCoolingCoolingCooling
Bitspower Z Tank (Clear) 250mm x 2 980 WaterBlocks x 2 Ek DDC Pump Top (Acrylic) x 2 Primochill 3/8" x 1/2" OD Clear Tubing 
CoolingCoolingOSMonitor
Bitspower 12mm Acyrlic Tubing 19" x 4  XSPC 3/8" x 1/2" Compression Fittings x 12 Windows 7 Professional 64 Bit Crossover 324K 
MonitorPowerCaseOther
Qnix 2710 Perfect Pixel 1440p  EVGA 1300 G2 CaseLabs SMA8 Darkside 12" Led Lighting  
CPUMotherboardGraphicsRAM
i7 7700k Asus Strix Z270i Gaming GALAX 980TI HOF Corsair Dominator Platinum DDR4 2400  
Hard DriveCoolingCoolingCooling
Crucial 512 SSD EK Supremacy EVO White Bitspower 150ml Reservoir POM White x 2 Swiftech 18w DDC x 2 
CoolingCoolingCoolingCooling
Bitspower 980ti HOF Waterblock (Clear)  EK SE 240mm Slim Radiator EK XE 240mm Radiator x 2 EK DDC Plexi top x 2  
OSKeyboardPowerCase
Windows 7 Professional NEX Moba White Pro EVGA 650 G2 Caselabs S3 
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post #12043 of 22193
Quote:
Originally Posted by XNine View Post

A picture of your setup would be beneficial. Also, pump speed should be high to move more heat quickly. I know there's a lot of people who will say different, but they're all WRONG. I had an article I linked to but it seems that site is no longer around. It was about cars and radiators and pumps, with mathematical formulas and science to back it, but the same principle applies to PC watercooling. Faster pump=better cooling, fact.

Also, try different TIM.
I hear ya, I'm a fan of the knowledge so I always go and look for as much info to research. I linked pictures few posts back. I've tried everything I could to try and understand what or why. Literally ruling everything you would want to on a normal checklist. Having the new blocks, radiators, and everything else my initial installation was tedious, spent 2 blitz kits to fully clean everything. For reference, there is a few feet of tubing less on each loop, the return lines are in the front to the reservoirs and there's less fittings everywhere. All in all, idle ~27C rads 29C gpu and after ~39C rads and ~46C gpu.

You mentioned formulas, I am also a fan of math and science. Everything I have on paper adds up to what you would expect good results. Not sure what it is that's not taking effect in the real world. I know adding a second mcp35x to each loop would obviously fix the problem, but 1 should be more than enough for the numbers I'm expecting. One of the things I haven't been willing to consider is tim, I did use cool laboratory ultra being the blocks are nickel and it should not be an issue in terms of performance. If you tell me my favorite conductive liquid metal thermal compound is the issue we're going to have a problem mad.gif
Quote:
Originally Posted by seross69 View Post

I hope article also stated that if water is moving 2 fast it can not remove heat and you actually have diminished returns!! But we do not have enough pumps or strong enough to see this!!

That is reason i want better than 1.5 gpm and have the iwaki pump!!! smile.gif

I should have videod the flow inside the reservoirs, because I'm not willing to touch the rig again until I order acrylic or petg biggrin.gif I can't guesstimate the flow to a number, if you were to watch the reservoir then it seems it could fill a gallon up in probably about a minute in a half, this is just to guesstimate.
This is judging from after it's bled and pushing water through the blocks, when I first fill the loops it eats through the EK res filled within 3 seconds of the pump turning on.

If I had a parallel terminal or enough fittings I would of tried that to rule it out
Edited by ALT F4 - 4/18/15 at 10:37pm
post #12044 of 22193
I've always had great results with PK1 Nano as TIM. It's my go-to and I recommend it.

What's your ambient temp like?
post #12045 of 22193
Quote:
Originally Posted by XNine View Post

I've always had great results with PK1 Nano as TIM. It's my go-to and I recommend it.

What's your ambient temp like?
Yeah prolimatech is one of my preferred brands, I used PK3 on my cpu. About ~20.1 - 23.3C ambient and when the air conditioner is on there is literally a duct blowing towards the front of the case which has the push config radiator.
post #12046 of 22193
Hmmm.... Try the fans in pull instead of push and see if that makes any difference. If not, do push pull, then if that doesn't work... I'd replace the TIM.
post #12047 of 22193
Quote:
Originally Posted by seross69 View Post

I hope article also stated that if water is moving 2 fast it can not remove heat and you actually have diminished returns!! But we do not have enough pumps or strong enough to see this!!

That is reason i want better than 1.5 gpm and have the iwaki pump!!! smile.gif

You can have that with dual d5 biggrin.gif Just changed the GPUs in chessboard and have to redo the loop:

2427609

GPUs blocks are now in parallel and this new generation of ek blocks (980/titan x) are a bit less restrictive that the old titans blocks. So the end results is if I put both d5 on that loop at 100% I end up having 2 GPM biggrin.gif Before with blocks in serial I was getting 1.4 GPM.

No need to iwaki mate. It will sound like a apartment basement with motors and machines on...

@ALT F4 do you have a flow meter on it mate? Do you known how much flow you are getting? One of the best reasons to have a flow meter is to constantly check the health of your loop. If wiuth time the flowdrops you known something is clogging up somewhere... Also how are you calculating the delta air-water? Is the ambient temp measured how? Thermistor close to the case or a separate thermometer in the room but away from the PC?
post #12048 of 22193
Quote:
Originally Posted by Gabrielzm View Post

You can have that with dual d5 biggrin.gif Just changed the GPUs in chessboard and have to redo the loop:

2427609

GPUs blocks are now in parallel and this new generation of ek blocks (980/titan x) are a bit less restrictive that the old titans blocks. So the end results is if I put both d5 on that loop at 100% I end up having 2 GPM biggrin.gif Before with blocks in serial I was getting 1.4 GPM.

No need to iwaki mate. It will sound like a apartment basement with motors and machines on...

@ALT F4 do you have a flow meter on it mate? Do you known how much flow you are getting? One of the best reasons to have a flow meter is to constantly check the health of your loop. If wiuth time the flowdrops you known something is clogging up somewhere... Also how are you calculating the delta air-water? Is the ambient temp measured how? Thermistor close to the case or a separate thermometer in the room but away from the PC?
Your rig is looking awesome biggrin.gif
I've answered most of those questions throughout my last several posts. Long story short this room is a solid ~21C to ~23C depending if the air conditioner is on or off. Water temperature will idle at ~29C to ~31C depending on room temp, under load I'm seeing water temp on gpu upwards to ~39C. The room is still cool and you can feel the heat of the furnace errr radiators biggrin.gif

I should have videod with the reservoir half full so all could see what I've been mentioning. It's nowhere near a bad flow which is why you would end up confused on why the numbers don't add up frown.gif Regardless, when the amd cards are released and I decide what to do with the rest of my rig I might double up on the pumps and call it a day. Next time I test I'm going to use the cards stock bios to see if the 0.05v will make much of a difference, bummer I didn't have enough fittings to test parallel on the gpu loop.
post #12049 of 22193
Quote:
Originally Posted by Gabrielzm View Post

You can have that with dual d5 biggrin.gif Just changed the GPUs in chessboard and have to redo the loop:
Warning: Spoiler! (Click to show)
2427609

GPUs blocks are now in parallel and this new generation of ek blocks (980/titan x) are a bit less restrictive that the old titans blocks. So the end results is if I put both d5 on that loop at 100% I end up having 2 GPM biggrin.gif Before with blocks in serial I was getting 1.4 GPM.

No need to iwaki mate. It will sound like a apartment basement with motors and machines on...

@ALT F4 do you have a flow meter on it mate? Do you known how much flow you are getting? One of the best reasons to have a flow meter is to constantly check the health of your loop. If wiuth time the flowdrops you known something is clogging up somewhere... Also how are you calculating the delta air-water? Is the ambient temp measured how? Thermistor close to the case or a separate thermometer in the room but away from the PC?

But actually the iwaki is really quite and even with it at full speed and 4 D5's my flow is between 1.6 and 2 gpm!!!! smile.gif

Now that is with 3 blocks and 9 rads 6 of the rads being in parallel
Edited by seross69 - 4/19/15 at 7:49am
post #12050 of 22193
Quote:
Originally Posted by ALT F4 View Post

Warning: Spoiler! (Click to show)
Quote:
Originally Posted by Gabrielzm View Post

You can have that with dual d5 biggrin.gif Just changed the GPUs in chessboard and have to redo the loop:

2427609

GPUs blocks are now in parallel and this new generation of ek blocks (980/titan x) are a bit less restrictive that the old titans blocks. So the end results is if I put both d5 on that loop at 100% I end up having 2 GPM biggrin.gif Before with blocks in serial I was getting 1.4 GPM.

No need to iwaki mate. It will sound like a apartment basement with motors and machines on...

@ALT F4 do you have a flow meter on it mate? Do you known how much flow you are getting? One of the best reasons to have a flow meter is to constantly check the health of your loop. If wiuth time the flowdrops you known something is clogging up somewhere... Also how are you calculating the delta air-water? Is the ambient temp measured how? Thermistor close to the case or a separate thermometer in the room but away from the PC?
Your rig is looking awesome biggrin.gif
I've answered most of those questions throughout my last several posts. Long story short this room is a solid ~21C to ~23C depending if the air conditioner is on or off. Water temperature will idle at ~29C to ~31C depending on room temp, under load I'm seeing water temp on gpu upwards to ~39C. The room is still cool and you can feel the heat of the furnace errr radiators biggrin.gif
I should have videod with the reservoir half full so all could see what I've been mentioning. It's nowhere near a bad flow which is why you would end up confused on why the numbers don't add up frown.gif Regardless, when the amd cards are released and I decide what to do with the rest of my rig I might double up on the pumps and call it a day. Next time I test I'm going to use the cards stock bios to see if the 0.05v will make much of a difference, bummer I didn't have enough fittings to test parallel on the gpu loop.



I looked at what pics of your build I could find, and didn't see anything that jumped right out that looked suspect . . .

The acrylic T on the pump outlet is pretty restrictive, I always try to use a triple rotary 90 out of a pump when I need a 90, and then use the straight thru passages of T's for the main flow direction.

I'm not a fan of the type of 90's you have in some locations, particularly the in and out of the GPU bridge.


One thing that you can't see externally, but need to watch for as you build, particularly if you're using fittings from multiple sources, is that some are absolute disasters as far as flow capability . . .

In the pic below, the 45 on the left is a Bitspower, the 45 on the right is some other POS brand, and the M to F rotary in the middle is also some POS brand.

Look at the bore diameters . . . compared to the Bitspower, the others might as well be pinholes.

Just one POS fitting like those two, can trash the flow for the whole loop.




The other thing to watch for as you build, is that some fittings have a longer male thread than others, and some fittings have a very short female thread, that if you use a long male thread into it, can restrict the flow markedly. . . . FC Terminals on GPU blocks would be an obvious example, but surely isn't the only example.




Tearing everything down to inspect stuff is probably the last thing you want to do, but if you fail to get acceptable temp results, you may have to just bite the bullet.

Darlene
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