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Suck or Blow Mrs!

Discussion in 'Overclocking & Cooling' started by barnsta, 13 Jan 2006.

  1. barnsta

    Gangster

    Joined: 12 Aug 2005

    Posts: 192

    ok i have a pretty low end watercooling system (coolriver deluxe but with newer pump) i have 2 120mm akasa fans either side of my radiator which is mounted at the back of the case sucking pushing air out of the case.

    am happiesh with my temps, 32c idle, 36c ish doing things and then 45c ish under heavy load 9cod2 etc)

    My question is would I notice any difference having the air being sucked in rather than being blown out. I also have a small fan at front of case, near hardrives. Which way should that be, blowing in or blowing out?

    also guys, is there a piece of software that will help me control the speed of the two fans that i have on my radiator, they are both attached to my mobo, i have tried speedfan but diden't seem to work, unless i was doing something wrong.

    thanks
     
  2. vanandjuanunited

    Soldato

    Joined: 20 Oct 2005

    Posts: 5,288

    Try it and see what it does. Reckon pulling in at front and blowing out at rear will be best.
     
  3. clone

    Soldato

    Joined: 11 Jul 2003

    Posts: 6,140

    Location: Telford//west mids

    You can 5-7 volt mod your fans to run quiet m8.

    I had the 3 panflo 120mm fan`s blowing from inside my pc,worked a treat.
     
  4. barnsta

    Gangster

    Joined: 12 Aug 2005

    Posts: 192


    sorry noob alert, how do i do the volt mod?

    cheers
     
  5. weescott

    Sgarrista

    Joined: 25 Feb 2004

    Posts: 9,394

    Location: Heckling for change

    suck suck is best. i.e 2 fans on one side sucking.
     
  6. Joebob

    Soldato

    Joined: 27 Sep 2005

    Posts: 5,899

    Location: Burbage, Hinckley

    rewire them to a 5v supply rather than a 12v one!!!
     
  7. weescott

    Sgarrista

    Joined: 25 Feb 2004

    Posts: 9,394

    Location: Heckling for change

    [​IMG]
     
  8. barnsta

    Gangster

    Joined: 12 Aug 2005

    Posts: 192

    ah ok! I did an experiment tonight.

    Yes suck suck (love u long time), pushing air out of case as i originally had seems to work best, it drops the temp back to normal quicker after heavy load.
    thanks for your help guys

    cheers
     
    Last edited: 13 Jan 2006
  9. Joebob

    Soldato

    Joined: 27 Sep 2005

    Posts: 5,899

    Location: Burbage, Hinckley

    Does that work.. wiring the fans to two positive connections and having no negative/earth?
     
  10. Tens

    Gangster

    Joined: 22 Nov 2004

    Posts: 326

  11. JDL

    Gangster

    Joined: 4 Nov 2005

    Posts: 227

    Location: Lincoln, The Shire

    isn't it all to do with potential difference thats way 7v works.

    12v - 5v = 7v (which is the potential difference)
     
  12. Joebob

    Soldato

    Joined: 27 Sep 2005

    Posts: 5,899

    Location: Burbage, Hinckley

    I just rewired all mine up to the 12v supply. Noisy but good temps :)
     
  13. JDL

    Gangster

    Joined: 4 Nov 2005

    Posts: 227

    Location: Lincoln, The Shire

    you'd be surprised by running them at 7v how the temps won't change that much but the noise will ;)
     
  14. a1ex2001

    Capodecina

    Joined: 14 Mar 2005

    Posts: 13,042

    Location: Here and There...

    Be aware that when using the 7 volt trick if the Fan breaks/Gets Jammed it is possible to short the 5V and 12V lines together which may not be pretty.
     
  15. JDL

    Gangster

    Joined: 4 Nov 2005

    Posts: 227

    Location: Lincoln, The Shire

    very good point alex, forgot to mention that! :)