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Where to find 120mm fan shroud/molding/housing without the fan

post #1 of 5
Thread Starter 
confused.gif

I'm banging my head against a wall here. I'm going to push/pull two gentletyphoons on my H50...but I wanted a shroud on the pull side...best bet just to buy the cheapest 120mm fan I can find and hack the working bits out?

Thanks
post #2 of 5
Shrouds don't add much on the pull side, they do add a lot on the push side tho..
But yes, the cheapest, quickest way is to buy cheap 120mm fans and gut them.(black ones work best usually as the plastic is less brittle than the clear ones)
You can buy premade shrouds, but they cost as much as a good fan on their own.
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post #3 of 5
Well, there are some companies that make them but they're completely overpriced. Case and point here.

The cheapest (and best way if you don't like throwing money away) is to get some cheap generic fans from your local computer shop for $3 to $5 and do whatever modifications suit your fancy. Cutting the rotor out is actually very quick and painless; you just snip about 4 bits of thin plastic holding the thing in place and you're set.
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post #4 of 5
Thread Starter 
Hey thanks guys, +rep for both.

Davs, I ordered a rosewill fan to snip.

allikat, I was curious about weather it goes on the push or pull side, as I couldn't remember where the hangup was. Thanks.
post #5 of 5
If you look at a fan, the side that pushes out the air has the supports and the fan hub to block air flow. The purpose of the shroud on the push is to provide space for the pressure to equalise across the face of the rad/heatsink so it all gets as much air as possible. Without a shroud, you get dead spots with little or no airflow, reducing the effectiveness.
You do get a minor boost with shrouds on both sides, but since the purpose of the pull fan is to just get rid of the warm air, it doesn't matter so much if some of the air has to work its' way past the fan hub on the way. On the pull side, an anti-vibration rubber fan mount will do almost as much for temps as a full sized shroud.
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