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Push / Pull fans

post #1 of 8
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Setting up my WC and i found extra fans which are rated around 1600 /1800 rpm is it okay if i add them to my rad if my fans that i have are rated 2300rpm?
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post #2 of 8
Quote:
Originally Posted by Darksoul844 View Post
Setting up my WC and i found extra fans which are rated around 1600 /1800 rpm is it okay if i add them to my rad if my fans that i have are rated 2300rpm?
use the weaker fans as intakes.
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post #3 of 8
It's actually not good for the fans to have 2 different speeds running on either side of the rad. It can cause 1 fan to speed up past its normal rate which causes it to wear out much faster.

I wouldn't recommend it.
post #4 of 8
Just grab so GT15s. Great static pressure for what they are (which is what you want with rads) and moves decent air too! Not to mention they are quiet.
 
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post #5 of 8
Quote:
Originally Posted by Kinru View Post
It's actually not good for the fans to have 2 different speeds running on either side of the rad. It can cause 1 fan to speed up past its normal rate which causes it to wear out much faster.

I wouldn't recommend it.
I don't think it matters for just 1600/1800 rpm fans. The rad will slow down the air flow of the push fan. It is not like he is pairing a Delta with a low speed YL.
post #6 of 8
Thread Starter 
I don't want fans with low speed, since the rad is gonna be outside since my room gets way too hot!

I'm trying to get high CFM fans
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post #7 of 8
Quote:
Originally Posted by Riou View Post
I don't think it matters for just 1600/1800 rpm fans. The rad will slow down the air flow of the push fan. It is not like he is pairing a Delta with a low speed YL.
It will matter. A 500 rpm difference is enough for the faster fans to cause the slower ones to speed up in order to equalize the pressure difference. This will cause the slower fans to overwork themselves, wearing out prematurely.
post #8 of 8
If you do push/pull you will want all of the fans to be the same, otherwise the ones that move more air with cause the other fans to spin faster.
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