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Scythe Ultra Kaze 120mm - Page 2

post #11 of 16
Think about this: These things were made based on the assumption that people would not have fan controllers. They were built to run at 100%
If the noise didn't bother you, I'd say keep letting it run at 100
    
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post #12 of 16
Thread Starter 
Alright, cool.
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post #13 of 16
Thread Starter 
Quote:
Originally Posted by Bo_Punk_2.0 View Post
I had 3 Ultra Kazes churning away at 100% for over a year without bearing failures.

It'll be fine.
Did your system run 24/7?
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post #14 of 16
YMMV, but out of the 8 Kazes I have used, 2 have failed within half a year. The others still work perfectly fine.
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post #15 of 16
Most important thing to do with a sleeve bearing fan: lubricate it before you put it into service. See my sig for a link.

When I took my Ultra Kaze 1000 rpm (UK1K) out to test it on my D14, I measured its speed and felt its output because it has done poorly in the past. It was running in the low 900's, hardly pushing much air. I opened it up and found the well to be dry. Put in some oil and now it runs in the upper 1000's. That's a 15% increase in rpm, and I can feel the air. Lubing the UK2k and the UK3K's did not give me dramatic increases, but their wells were either dry or nearly so. I doubt those fans would have lasted more than six months.

The other issue is speed control. I bought a couple of these, and some 80mm versions to get their speed controllers. The fans are nice, and their speed controllers go into a slot in your backplane. Even a UK3K only draws 0.6A, for 7.2 Watts. So for pretty cheap you can control your fan.

But most importantly: pre-lube your fan, then re-lube it periodically, just as you would your car.
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post #16 of 16
Thread Starter 
Quote:
Originally Posted by ehume View Post
Most important thing to do with a sleeve bearing fan: lubricate it before you put it into service. See my sig for a link.

When I took my Ultra Kaze 1000 rpm (UK1K) out to test it on my D14, I measured its speed and felt its output because it has done poorly in the past. It was running in the low 900's, hardly pushing much air. I opened it up and found the well to be dry. Put in some oil and now it runs in the upper 1000's. That's a 15% increase in rpm, and I can feel the air. Lubing the UK2k and the UK3K's did not give me dramatic increases, but their wells were either dry or nearly so. I doubt those fans would have lasted more than six months.

The other issue is speed control. I bought a couple of these, and some 80mm versions to get their speed controllers. The fans are nice, and their speed controllers go into a slot in your backplane. Even a UK3K only draws 0.6A, for 7.2 Watts. So for pretty cheap you can control your fan.

But most importantly: pre-lube your fan, then re-lube it periodically, just as you would your car.
Well said.
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