Dell Precision M6600 Water Cooling - project

Discussion in 'Notebook Cosmetic Modifications and Custom Builds' started by Hellsik, Jun 30, 2018.

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  1. Hellsik

    Hellsik Notebook Geek

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    Next week I will start create aluminium block and reservoir. I had 3 differend types of water pump, but one after while engine swim in water :(. I also have diaphragm pump, but it has only +-300ml/min also it is realy noisy. Last pump is aquarium pump. I have one on 6V and second on 12V. Also i will mesure temperatures on water blocks and radiators. In first i must mesure temperature on original heatsink, but I have problem with bend heatpipe on GPU heatsink. Last few weeks I compare 2920xm, 2860qm and 2760qm and I am not able to set longer time in turbo boost PL2 is between 8-20s. After that processor will clock down to 45W TDP from 56W TDP (package power). Now I do not why 2760qm and 2860qm has difrence in stress test around 10 degrees. Maybe I will repaste 2860qm and test it again. See you next week :)
     
    Kyle likes this.
  2. Hellsik

    Hellsik Notebook Geek

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    You could sketch water coling on paper, bu there is 2 problems. Water pump for thick laptop is problem. I am not able find correct water pump without cutting case. My pump has got 26mm diametr. Offcorse I found piezoelectric pump, but they not sell 1 or 3 pieces (500ml/min). Second problem is filling circuit with water. You need reservoir, becase after while will create bubbles.
     
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  3. bennyg

    bennyg Notebook Virtuoso

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    I'm close to finishing the metalwork stage of a fully internal wc mod for my P370EM. Making everything by hand from 6mm hvac copper pipe, flattening it to 3.5mm and replacing all the heatpipes and soldering double-45 degree U joins where tight turns are needed (like in the rads). I'm soldering it all to the original heatplates, so all the vrms will be watercooled too :)

    Never could find blocks that would fit and didn't look sketchy, the P370EM cpu is a beeatch stacked setup where the fan sits on top, with like 5mm clearance between CPU and fan housing. GPU2 also only has about 7mm height to bottom cover.

    I found a cheap dc 12v "ultra quiet <40dba" ~20mm high pump for testing that I should be able to fit in the optical bay.
    https://rover.ebay.com/rover/0/0/0?mpre=https://www.ebay.com.au/ulk/itm/273310251939
    Finding one that was both slim and didn't have an output pointing the wrong way took a while. This one also looks like it'll be good for dc voltage based speed control (minimum 6V).
    Haven't turned it on yet so don't yet know how much of a lie the noise or flow specs are ;p

    I'll have to fab my own res/air trap with a fill/bleed port. I think I might be able to do something with a urine container or plastic test tube lying around I can make something from. Air is a pain in small pumps, I rigged up a portable external rad/res with a teeny Alphacool DC-LT and when it cavitates, boy is it noisy, sounds like a bandsaw that's sucked on some helium.

    One other concern is the cheap vinyl tubing. Hopefully zip ties are enough to seal, but it also starts softening at 60C, and the 1070s and XM cpu can burn over 500W at peak...
     
    Last edited: Feb 24, 2019
  4. Hellsik

    Hellsik Notebook Geek

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    I use same pump 12 and 6 volt. It is powered from USB and after that converted to 9.6 volt (max from USB it takes about 4,8 V and 0.8A). You dont need power it with 12V because the temperature of pump rise teperature of lope. Flow is geat and really quiet, almost no vibrations.
     
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  5. Hellsik

    Hellsik Notebook Geek

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    Here is new update. I create reservoir, but it has some leaks. Tomorrow I will create radiator with water block. Here some pics.
    IMG_20190302_124732.jpg IMG_20190302_124811.jpg IMG_20190302_125803.jpg IMG_20190302_153418.jpg IMG_20190302_183052.jpg
     
  6. kingofswag187

    kingofswag187 Notebook Deity

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    Wow! amazing!
     
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  7. Hellsik

    Hellsik Notebook Geek

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    Sorry guys I must complete my final thesis. But now I will add more of pictures and graphs with results.

    In first place I simulated water blocks and radiators.

    CPU water blocks CPU výsldné.png

    GPU water blocks
    GPU výsledné.png

    Radiators
    Výměník výsledný.png
     
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  8. Hellsik

    Hellsik Notebook Geek

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    For creating water blocks I choose aluminium old coolers from chipset motherboard
    Bez názvu.jpg .

    For radiators i use old aluminium CPU cooler
    Bez názvu.jpg

    Here is picture beforee soldering
    Bez názvu.jpg

    After soldering i had more leaks and I damaged CPU and GPU waterblock. So here is another solution. I use copper for cooling GPU (left side of picture)
    oprava.jpg
     
    Last edited: Apr 4, 2019
    Kyle likes this.
  9. Hellsik

    Hellsik Notebook Geek

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    Final result of worling water cooling laptop. It is look terible, but i need to complete this in time.
    final.jpg

    Testing leaks and temeratures before adding bottom case and palmrest.
    IMG_20190329_231845_1.jpg
     
    Kyle and Rengsey R. H. Jr. like this.
  10. Hellsik

    Hellsik Notebook Geek

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    On the biggest end the result. of temerature CPU. It was mesure with stress test OCCT. For water cooled CPU was temerature 69°C and average frequency 2,6 GHz from 2,4 GHz. For 2860QM temerature was 76 °C on base 2,5 GHz
    frekvence CPU.jpg
    GPU temperature with stress test FurMark.
    upload_2019-4-4_6-53-56.png
    And last is fan speed.
    upload_2019-4-4_6-56-40.png
     
    luixyz, Kyle, Megol and 2 others like this.
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