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[RT] ENERMAX Introduces the TwisterPressure 120 mm Fan - Page 2

post #11 of 52
Accuracy in ratings is a huge "if" with companies like these, so we'll have to see how it does in the hands of seasoned testers.
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post #12 of 52
Quote:
Originally Posted by staryoshi View Post

I would bet that it's a more realistic rating than most fan manufacturers use. (EG: 2000 RPM Cooler Master R4 rated for 19db when it's a tornado)

Maybe, but I find 25dBA @ 1800rpm unrealistic too.

Will we know when fans are compared side by side or by a reliable site like SPCR.
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post #13 of 52
Scythe GT AP15s manage 28dBA at 1850RPM (although their noise profile is unique to the GT series and unlike other fans). Perhaps it produces a different kind of noise, like the GT series. Perhaps fan tech is progressing tongue.gif As you say, we'll know more later smile.gif
    
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post #14 of 52
If these fans are like other twister bearing enermax fans then they should run silent up to about 1200 rpm, after that they get loud

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post #15 of 52
I was at CeBIT 2014 and saw there and another prototype. They pushed an awefull lot of air. Especially the 2nd prototype was amazing.

The thing is a fan can be near silent with nothing to push against and noisy when onto a rad or heatsink.

I know for a fact Enermax does a lot of R&D and actually tries to improve the design constantly.
I should make a testing setup and try various types of fans on a rad and see what it does to the watertemp.
 
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post #16 of 52
Quote:
Originally Posted by Hukkel View Post

I was at CeBIT 2014 and saw there and another prototype. They pushed an awefull lot of air. Especially the 2nd prototype was amazing.

The thing is a fan can be near silent with nothing to push against and noisy when onto a rad or heatsink.

I know for a fact Enermax does a lot of R&D and actually tries to improve the design constantly.
I should make a testing setup and try various types of fans on a rad and see what it does to the watertemp.

Please do. There's a serious lack of info in this area. Martin did do some extensive testing, but he has been out of the game for a while now, and many new fans have been released since then. Additionally, it would be nice to see some push/pull numbers.
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post #17 of 52
it could be the materials used in making the blade for the GT's that make them sound a helluva lot more tolerable than every other fan, which is made of some cheap plastic. after inspecting my GT blades, they looked like they coulda been made from some type of fiberglass. I haven't actually verified this, but anyone who looks a the blades will clearly tell. I'm seriously wondering when the hell other companies will use this type of material too.
post #18 of 52
Seems like the specs are exagrated.

At 1800RPM, it would be pretty hard for a 120mm*25mm fan to generate 3.845mm H2O of static pressre, and 135.85 m^3/h of air flow.

That is like what a Delta can do, at maybe 3000-4000 RPM.
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post #19 of 52
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post #20 of 52
Excellent results.These will be my next rad fans. thumb.gif
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