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Need a high-end Fan Controller

post #1 of 11
Thread Starter 
Does anyone know of a fan controller that can handle a Delta Extreme High Speed 120x38mm fan? I can't seem to find one that would power this beast (29.4Watts @ 2.45amps). Any suggestions?
    
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post #2 of 11
Quote:
Originally Posted by Choggs396 View Post
Does anyone know of a fan controller that can handle a Delta Extreme High Speed 120x38mm fan? I can't seem to find one that would power this beast (29.4Watts @ 2.45amps). Any suggestions?
Your best bet is to just use a Rheostat (Variable resistor) as PWM controllers won't be able to power that fan! The other thing you could do is use a switch to switch between 12 and 5 volts.
    
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post #3 of 11
Wow, some nice CFM on that thing, loud as hell though
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post #4 of 11
Thread Starter 
Yeah, it sounds like a vacuum cleaner - seriously. But I love it!
    
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post #5 of 11
Quote:
Originally Posted by alk View Post
Your best bet is to just use a Rheostat (Variable resistor) as PWM controllers won't be able to power that fan! The other thing you could do is use a switch to switch between 12 and 5 volts.
You would need a HUGE resistor to dissipate 15-20w..

You will need to probably build your own.
This may work if you can find components to handle the load: http://www.cpemma.co.uk/reg.html
This will work: http://www.cpemma.co.uk/pwm.html
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post #6 of 11
Quote:
Originally Posted by DuckieHo View Post
You would need a HUGE resistor to dissipate 15-20w..

You will need to probably build your own.
This may work if you can find components to handle the load: http://www.cpemma.co.uk/reg.html
This will work: http://www.cpemma.co.uk/pwm.html
An LM324 or NE555 will never be able to handle 30 Watts!!! The MOSFET circuit might work if you keep it cool enough.
    
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post #7 of 11
Thread Starter 
Seriously, I am horrible when it comes to electronics, circuits, and the such. I just need something already made.
    
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Some kinda rubber thing (beer magnet) 
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post #8 of 11
50 watt rheostat sleeved and it's plug and play, @ $29.95 it cost a dollar more then the fan.
http://www.sidewindercomputers.com/si50warh.html
  
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post #9 of 11
Quote:
Originally Posted by Dryadsoul View Post
50 watt rheostat sleeved and it's plug and play, @ $29.95 it cost a dollar more then the fan.
http://www.sidewindercomputers.com/si50warh.html
Dang... also, rheostats generate waste heat of anything your fan does not use. If you have your fan on half voltage, rheostats will produce around 15w of heat.... more heat than 1GB of RAM! PWM is the only real way to go....
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by Dryadsoul View Post
50 watt rheostat sleeved and it's plug and play, @ $29.95 it cost a dollar more then the fan.
http://www.sidewindercomputers.com/si50warh.html
Sweet, I think I'm gonna pick one of these things up.

Oh, and what is MOSFET? I looked it up , but I need someone to put it in layman's terms for me.
    
CPUMotherboardGraphicsRAM
Intel Q6600 G0 @ 3.6GHz (lapped) EVGA 780i SLI FTW @ 1600MHz FSB 2 x EVGA 8800GTX 768MB (SLI) @ 625/1500/2000MHz 2x2GB G.Skill PC2-8000 PQ @ 800MHz (linked to FSB) 
Hard DriveOptical DriveOSMonitor
2x160GB WD RAID 0, 750GB Samsung Spinpoint F1 LITE-ON 20X SATA DVD/CD RW Windows 7 Ultimate x64 Viewsonic VA2702w 27" LCD 1920x1080 
KeyboardPowerCaseMouse
Logitech Value 100 (beer magnet) Corsair TX 750W Cooler Master ATCS 840 Logitech SBF-90 (cheapest one on Newegg) 
Mouse Pad
Some kinda rubber thing (beer magnet) 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Intel Q6600 G0 @ 3.6GHz (lapped) EVGA 780i SLI FTW @ 1600MHz FSB 2 x EVGA 8800GTX 768MB (SLI) @ 625/1500/2000MHz 2x2GB G.Skill PC2-8000 PQ @ 800MHz (linked to FSB) 
Hard DriveOptical DriveOSMonitor
2x160GB WD RAID 0, 750GB Samsung Spinpoint F1 LITE-ON 20X SATA DVD/CD RW Windows 7 Ultimate x64 Viewsonic VA2702w 27" LCD 1920x1080 
KeyboardPowerCaseMouse
Logitech Value 100 (beer magnet) Corsair TX 750W Cooler Master ATCS 840 Logitech SBF-90 (cheapest one on Newegg) 
Mouse Pad
Some kinda rubber thing (beer magnet) 
  hide details  
Reply
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