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Thread: Radiators and reserviors




  1. #21
    nleksan's Avatar
    nleksan is offline Junior Member
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    Default Re: Radiators and reserviors

    You're quite welcome!

    I actually don't even bother with temp sensors much anymore, although I do keep a number of the small-LCD screen ones around, because at the end of the day it's the component temps that matter, not the Delta-T (unless you're trying to diagnose an issue, hence my keeping them around ).

    HESmelaugh’s Radiator Sandwich Testing martinsliquidlab.org

    There's the link to Martin's testing. I HIGHLY recommend that anyone new to water-cooling spend a day (or five) reading EVERYTHING ever written on his site! It's seriously that good, and that informative!

    I realize I am new here, and have yet to establish any sort of credibility, but please, if you have any other questions, anything at all, don't hesitate to ask!
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  2. #22
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    Default Re: Radiators and reserviors

    thanks for this and I did read this today dont know how i had missed it before but it got me thinking as i am going to use Koolance Premium High Performance Fan, 120x38mm, 184CFM in the center of the sandwich. this are 4000 RPM and static pressure of 20.4. I did see on his results that the higher the rpm the better they worked. I was planning on using these fans and covering the top and bottom of the rads with sound insulation to keep the sound down when i had them at full rpm and noise. so i am sorry to say but this has got me thinking that maybe it might work. i know i should listen to people that know better but i just have this idea stuck in my head..

  3. #23
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    boondocks is offline Senior Member
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    Default Re: Radiators and reserviors

    What you are going to have is a whole bunch of noise. lol. I'm running 16 AP15's on my 2x480mm rads and they are whisper quiet at 1200 rpm, which is about all I usually need.
    But good luck to you, if you can stand the noise you'll probably work it out OK.
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  4. #24
    nleksan's Avatar
    nleksan is offline Junior Member
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    Default Re: Radiators and reserviors

    I agree, I don't think you quite realize how INSANELY LOUD those 184cfm 4krpm Koolance 120x38 fans are! I have been a HUGE "Fan" of Koolance fans (hehe) ever since first "discovering" their 120x25 and 120x38 2600rpm models (same motors, only difference is frame and angle of blades); they use dual-ball bearing motors, undervolt perfectly with a BitFenix Hydra Pro, are quieter than the CM R4 which is a much slower and lower powered fan, they push 5.4mmH2O (120x25)/6.4mmH2O (120x38) static pressure, 107.4cfm/118cfm, and they only cost $8 each!!!
    I have four of the 120x25 in use right now, push/pull on an Alphacool UT60 240, and they are seriously the absolute best fans I have used for the money, and they beat out just about every single fan regardless of the money, with the only 120mm fans I prefer being the Sanyo Denkei San-Ace (expensive) fans.

    Having used the Koolance 120x38 4000rpm fans, I can tell you a few things:
    1) They pull 29.8W from the power source, (2.5A*12V), which will literally blow your MB fan headers; that means you need a fan controller with AT LEAST 45W/ch, and dedicate an entire channel to just one fan! I still have C110 copper heatsinks mounted on the Voltage Regulators of my Hydra Pro from testing it with the 4krpm Koolance fans, and even had an 80x25mm fan blowing onto the back of the FAN CONTROLLER! It worked, but BARELY... The back of the controller was getting to ~75-85C!!!
    2) With 3x of these fans at ~75% speed (in a closed PC Case at one end of my house; 2nd floor, room in the corner so 2 outside walls), I could hear them from the absolute opposite corner of my house... That's a total of 5800sq-ft, and from the fans to me there was 2 floors and 9 walls! They are THAT LOUD! (Oh, and all of my interior walls have Wet-Pack blown-cellulose insulation, R-value of 22; floors an R-value of 35; and the basement home theater, where these were audible from at 100% speed, is a full room-within-a-room for my home theater)..... THEY ARE LOUD!!!
    3) YOU MUST BUY FAN GRILLS FOR BOTH SIDES OF THE FANS! I don't think they should even be legally allowed to ship without them, because you WILL lose a finger/toe/other-appendage-you-shouldn't-have-anywhere-near-a-fan!
    4) Unless you are using a 22-30fpi radiator, and a 50-65mm-thick one at that, these are PURE OVERKILL! You will gain maybe one half of one degree TOTAL cooling power over using the aforementioned 2600rpm 120x38 fans.

    Best of luck with your setup, I just wanted to warn you about these devils, er, fans!
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  5. #25
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    Default Re: Radiators and reserviors

    Well Nleksan you have made you point and made it well. I will be changing my plans and cutting the bottomout of the cosmos II so that I can use the fan you said for a push pull. i was planning on using these for the other side of the sandwich but this will not be happening now. thank you for your sound advise and direction. it will save me from having to but additional items to power these crazy fans. as i am going to use a aquaero 5 LT USB fan controller to control and monitor the temps on my water cooling lines. also it will control the pumps and to use these fans i was going to have to buy 50 dollar Aquacomputer Poweradjust 2 USB - Ultra-Series to control each one this way i will not have to do this. so after considering everything your idea is really better all around.

    thanks again. i hope to get lots of more advice before i build and also hope i am able to buy a quad tec and controller from mindchill. i had someone give me a water cooler so i am not sure how this build will go i hope to cool the tec cpu block, 2 gxt 680 or maybe 690's, ram and motherboard on 2 alphacool UT60 240, 1 alphacool UT30 360 and 1 alpha cool 120 monsta rads with the koolance fans you told me about. if i have to use the water chiller i will but hope it will be just for playing.

  6. #26
    nleksan's Avatar
    nleksan is offline Junior Member
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    Default Re: Radiators and reserviors

    You are very welcome! I am glad to hear that my advice is not only going to help in terms of performance, but also will save you some money! Win-Win!
    COGITO ERGO SWITCH
    - i7 3930K - Rampage IV Extreme - 16GB DDR3-2666C10 - 3xEVGA Titan X SLI - Samsung 830 256GB - CaseLabs TH10 White (120mm Top/Pedestal) -
    - EVGA P2-1500W - - LG Slot Load BD Burner - AC Aquaero 6 Full - 8x Seagate 900GB 15krpm 2.5"E-HDD's in RAID0/4x DC S3700 800GB RAID0/4grps*4 WD RE 4TB RAID10/2 512GB SM951/9x Intel X25-E 160GB OP'ed 50% in RAID0 for scratch - Areca 1883ix-8GB-24i4e HW RAID Card WC'ed -
    - 2x Nemesis GTX 560 & 2x GTX 480 (Push-Pull) - 2x Monsta 560/1x UT60 420 (Koolance 2600rpm Push-Pull) - Apogee HD White - HK GPU Blocks - HK Backplates - MIPS R4E MB Block - MCP35X2 - 2x BP Z-Multi 400mL Clear/White Res's -
    - BP DIMM-Freezer x2 4-DIMM Blocks - Phantek SP140 Case Fans - BP/Monsoon Comp/Rotary/Misc Fittings - Rigid Tubing -
    - LG 34UM97 3440x1440 - LG 60" OLED 4K - Creative X-Fi Ti HD - Pioneer Elite SC-89 - Grado PS1000/GS1000/RS1+2's/12+ AKG's/etc - Benchmark DAC2 - Sonus Faber towers (FR/C/FL/SL/SR) - McIntosh 5x250W Amp -

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