Quote:
Originally posted by Divided
real simple question here
clearly running two of the same fan types (both lets say 40 cfm) can have problems.
so why is this getting more complicated then simply having a stronger fan being used as the "Pull" fan in a push/pull setup.
40CFM ||Rad|| 20CFM
this way you're sort of running only a "Pull" fan but you are just giving it a little 'boost'
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I had tried this concept once on a BIX ducted to ambient and it did give me a small gain with moderate noise increase. I didn't have two 86CFM 120mm fans at the time so I used an 86CFM puller and a 69CFM pusher. Of course my combination was only a 20% reduction while your example is a 50% reduction. I got a .5C reduction in water temp and a loaded CPU temp reduction of .8.