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post #31 of 59
Thread Starter 
find me some evidence that you are correct please
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post #32 of 59
Thread Starter 
2 x 44.8 CFM intake

1 x 42.73 CFM + 1 x 25.4 CFM exhaust
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post #33 of 59
Quote:
Originally Posted by tUDJ View Post
find me some evidence that you are correct please
Aside from the people who claim to have a positive/negative pressure fan setup with their cases intact? I don't think there is a more perfect example than that
    
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post #34 of 59
Thread Starter 
if there are people who claim to have +/- pressure and have an intact case why is that proof that +/- pressure is impossible?
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post #35 of 59
Quote:
Originally Posted by fstfrddy View Post
Best cooling happens with case closed, they are designed to move air around components.
agreed, otherwise airflow escapes through side opening, leaving warm air stagnant in the middle and between components.
    
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post #36 of 59
Quote:
Originally Posted by boredom View Post
A case is not air tight, therefore a negative/positive pressure environment is almost impossible
Depending on Rpms of the fan, CFM flow rates, and whether you have a push/pull, or pull push system, negative pressure as well as positive pressure is almost always the case. The impossible one is neutral...

Tis harder to match intake with exhaust perfectly, than to cause a neg. or pos. pressure.
    
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post #37 of 59
Thread Starter 
the only way neutral could be achieved is with say 4 x 120mm 50CFM fans

2 x intake
2 x exhaust

am i right?
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post #38 of 59
Well... I don't know you may not have enough CFM. It only goes so far, if you've got obstructions in the way that may very well stop ~44 CFM from having near to any effect.
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post #39 of 59
Thread Starter 
i did have a HDD cage blocking the bottom one but thats now gone.

al i have now is my Molex cables + 1 x IDE ribbon which cover the top 120mm by about a 1/3 but there is nowhere else for the cables to go
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TudjBox.
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post #40 of 59
Quote:
Originally Posted by tUDJ View Post
the only way neutral could be achieved is with say 4 x 120mm 50CFM fans

2 x intake
2 x exhaust

am i right?
exactly, and in an airtight environment with the same exact size openings in the exact same placement on each opposing side. Didn't you guys take physics?
    
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