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Windows 7: 120mm 3 Speed Fan

18 Nov 2010   #1
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 
120mm 3 Speed Fan

There are 120mm fans that range in speed up to ~4500 rpm, but I want a fan with a speed control switch, like the Antec Tri-Cool, but higher speed. The Tri-Cool that I found maxed out at only 2000 rpm...is there a such thing as a fan which combines the higher speed with a speed switch?


My System SpecsSystem Spec
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18 Nov 2010   #2
Ciara

Windows 7 Professional 64-bit SP1
 
 

From a physics perspective a single fan in an open space (before it enters the fan).
Higher RPM means more air flow and more noise, but a fan the same size that can capture more air from a open space will match the higher RPM fan for air flow with a lower RPM.

eg > Aerocool Xtreme Turbine 1000 Silver 120mm LED Fan at Xoxide!

I loved physics at school
My System SpecsSystem Spec
18 Nov 2010   #3
mickey megabyte

ultimate 64 sp1
 
 

...or a large fan spinning slowly moves the same amount of air as a small fan spinning quickly (and is quieter).
My System SpecsSystem Spec
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18 Nov 2010   #4
Ciara

Windows 7 Professional 64-bit SP1
 
 

True , but if your max size is 120 and you want to move more air the best option is capture more air at the same RPM (less noise, less ware, less power needed)
My System SpecsSystem Spec
18 Nov 2010   #5
mickey megabyte

ultimate 64 sp1
 
 

how do you capture more air without making the fan larger (at a fixed speed)?
My System SpecsSystem Spec
18 Nov 2010   #6
Ciara

Windows 7 Professional 64-bit SP1
 
 

You change the fan to one with more blades (the picture of the fan in the link I posted is an example).
My System SpecsSystem Spec
18 Nov 2010   #7
mickey megabyte

ultimate 64 sp1
 
 

ah - ok.
My System SpecsSystem Spec
18 Nov 2010   #8
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Quote   Quote: Originally Posted by Ciara View Post
From a physics perspective a single fan in an open space (before it enters the fan).
Higher RPM means more air flow and more noise, but a fan the same size that can capture more air from a open space will match the higher RPM fan for air flow with a lower RPM.

eg > Aerocool Xtreme Turbine 1000 Silver 120mm LED Fan at Xoxide!

I loved physics at school
That fan is interesting, but I don't think it is exactly what I want. When compared to the Tri-Cool:

Antec TriCool 120mm x 25mm 3 Speed Computer PC Case Fan - eBay (item 190462767217 end time Nov-29-10 19:18:59 PST)

It does move more CFM at a lower speed, but the noise level is higher than the Tri-Cool also. In addition, both fans uses a sleeve bearing, and I would prefer a ball bearing.

One thing that I noted about the Aerocool fan is that it has a hubcap. I'm wondering if that would lend itself to lubrication? The primary reason that I'm looking at fans at this time, is because my current fan has become noisy, and I haven't found a means to lube it properly.
My System SpecsSystem Spec
18 Nov 2010   #9
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Quote   Quote: Originally Posted by Ciara View Post
You change the fan to one with more blades (the picture of the fan in the link I posted is an example).
It can also be caused by changing the pitch and shape of the blades.
My System SpecsSystem Spec
18 Nov 2010   #10
Ciara

Windows 7 Professional 64-bit SP1
 
 

As a helicopter moves
My System SpecsSystem Spec
Reply

 120mm 3 Speed Fan




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