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Water cooled COB Build/pic heavy

Discussion in 'LED and other Lighting' started by Godfather420, Jan 10, 2017.

  1.  
    Godfather420

    Godfather420 Well-Known Member

    First time starting a thread so bear with me.

    Been in the scene for 15 years and just finally crawling out of the basement.

    So, as the title states, Water-cooled cobs.... Lets talk about it. Seen some great info out there and want to help contribute to this movement. I've been working on a new water-cooled fixture and like most could use a little help. I DON'T TAKE KINDLY TO NAME CALLING, ARGUING, OR RACIST COMMENTs... Everything else is fair game. ; )

    Where do we start? Of course, build porn... So here is prototype number 1

    "
     
  2.  
    Godfather420

    Godfather420 Well-Known Member

  3.  
    Godfather420

    Godfather420 Well-Known Member

  4.  
    Godfather420

    Godfather420 Well-Known Member

  5.  
    Godfather420

    Godfather420 Well-Known Member

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    Godfather420

    Godfather420 Well-Known Member

  7.  
    Godfather420

    Godfather420 Well-Known Member

    Ok so that is prototype 1.... Learned some things from that one.

    1. Watercooling kicks ass!....Ambient air temp outside the ten was the only limiting factor.
    2. 6 cobs created an uneven canopy
    3. Dewpoint... Better learn about relative humidity ( and No, thats not the sweat dripping of your sister)
    4. Led tech moves rapidly
    5.As long as chilled water is near, I'll never pay for cooling again in a sealed room.
    6. That I need a custom extrusion because these motherfuckers were heavy! ( 20kls-50lbs) each
     
    Last edited: Jan 11, 2017
  8.  
    Godfather420

    Godfather420 Well-Known Member

    A lil bit about the guts of these things.

    Inside these bad mofo's are
    6 hlg 185 c1400b's
    6 cxb3590 cd bin 72v
    4 48v NMB fans running at .90amps,
    2 hlg 80h 48b to power fans.
     
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    Godfather420

    Godfather420 Well-Known Member

    IMG_1006.JPG running without chiller...
     
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    Godfather420

    Godfather420 Well-Known Member

    Last edited: Jan 11, 2017
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    CobKits

    CobKits Well-Known Member Rollitup Advertiser

    if anybody needs me ill be masturbating
     
  12.  
    Godfather420

    Godfather420 Well-Known Member

    There you are
     
  13.  
    bizfactory

    bizfactory Well-Known Member

    Every time I hear someone talking/posting about building a watercooled light, I roll my eyes.

    But holy fuck that is awesome! Great work. Is that a dehumidifier hanging in the middle!?
     
  14.  
    Godfather420

    Godfather420 Well-Known Member

    So, questions comments concerns from all. Im planning on making for version 2, 12 lights 12' long with nine cobs on each...... the space is 8.5' x 24' The layout looks something like this...


    I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I

    I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I

    I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I

    I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I

    I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I

    I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I
     
    Last edited: Jan 11, 2017
  15.  
    SSGrower

    SSGrower Well-Known Member

    Rockin. I'm not liquid cooling so don't know how it would work for you but I've ran a few 3070 epoxied (cree calls it phase change tim) for several months now. Seriously beautiful work.
     
    mahiluana likes this.
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    CobKits

    CobKits Well-Known Member Rollitup Advertiser

    id like to see some par readings at different water temps. is that possible?
     
  17.  
    Godfather420

    Godfather420 Well-Known Member

    Current setup
    16 600 hps (w/aircooled Ballast enclosures):cool:
    36,000Btu minisplit Mitsu Mr. Slim
    2 Sante Fe Dehumidifiers
    actuated movable Beds
    Total electrical system Draw Mid Flower 65amps/240v
     
  18.  
    Godfather420

    Godfather420 Well-Known Member

    Yes that was a dehumidifier in there. I used to



    Yes that was a dehumidifier in there. I was growing in a 3x3 square geo pot and the humidity got crazy..
     
    stardustsailor and ttystikk like this.
  19.  
    Godfather420

    Godfather420 Well-Known Member

    What Might be easier is if we work out a barter and i send you a prototype so you don't have to wait for me......
     
    mahiluana likes this.
  20.  
    Shugglet

    Shugglet Well-Known Member

    If youre using chilled water are the fans even necessary? Or worse yet possibly counter productive?

    In my opinion, ditch the fans on the mounts. They could be used far more efficiently elsewhere in the setup.
     
    mahiluana and DrBlaze like this.

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