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Fan testing Part 1 - Page 2

post #11 of 84
Quote:
Originally Posted by ira-k View Post
Thanks for the testing! I was wondering when you'd get the bug again..
hah, never expected him to keep up that "tired of it" for very long
you can't deny what's inside you.
post #12 of 84
Great work Martin! +rep

Just out of curiosity, did your San Ace have the curved or straight blades?
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post #13 of 84
Thread Starter 
Thanks guys,

I got rid of most of my other extras, but the fans was just something I never played around with, so I'll be doing this for a little while. I've still got about a dozen or so fans I haven't tested yet, maybe more thanks to some donations.

I'll also start posting the individual tests here, so you can look at the details. I may end up picking up a lower fin count rad to do some of the testing on too, but I mainly want that for the sound testing. That's one nice thing about this P/Q curve generation, I should only need to test the radiator once and I can estimate the air flow with the P/Q curve.

Thanks for the encouragement. This is fun, even if there's nothing too special between the fans, it's something different and that's what I like.

On with the individual test, I'll just post the results in their own post, so I can link to them from the OP and sort of keep that as a good linking page.
    
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post #14 of 84
Thread Starter 
This is the Noiseblocker XL-1

Very quiet fan, not the most powerful at the 1000 RPM range, but very high quality and a really good option if you intend to run in the 1000RPM range.

Special thanks to Martin from TFC for sending me this sample a while ago.


Edited by Martinm210 - 3/27/09 at 5:02pm
    
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post #15 of 84
Thread Starter 
This is the straight blade Yate Loon D12SL12. Probably the more common type you'll see and I'm calling is D12SL12-S, using the "S" as the straight blade designation. The back edge of the blade is very straight compared to the curved version.

Overall pretty hard to beat for the price, but it only has a sleeve type bearing which isn't quite as smooth/quiet as some of the more costly competition.

It topped out at 1380RPM on the heatercore so it's fairly close to the specified 1350RPM with resistance.

Special thanks to Linus from NCIX for sending this sample to me a while back.




Edited by Martinm210 - 3/27/09 at 5:00pm
    
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post #16 of 84
Thread Starter 
And this is the curved blade version of the yate loon D12SL12.

I always noticed that these performed a little better than the straight blade model, but I think most of that performance boost is due to the higher RPM. This fan actually tested at almost 1500 RPM which is much more fitting of the D12SM12 specs that call for 1500RPM.

Not sure why, but this one takes the crown for being an "RPM Overachiever"...

I believe I bought this one from Petra's a long time ago.



Edited by Martinm210 - 3/27/09 at 5:01pm
    
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post #17 of 84
wait, let me get this straight, the yate loon is a sleeve? the type that everyone is bashing the Ultra Kazes for while recommending the yates at every occasion?
post #18 of 84
Thread Starter 
And this is the Noiseblocker XL-2. This one is pretty impressive in the noise department for how much RPM it's turning. Pretty close in performance to the curved yate at about the same RPM, but a with a better bearing.

Another thanks to Martin from TFC for donating this sample.




Edited by Martinm210 - 3/27/09 at 5:08pm
    
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post #19 of 84
Thread Starter 
Quote:
Originally Posted by ChielScape View Post
wait, let me get this straight, the yate loon is a sleeve? the type that everyone is bashing the Ultra Kazes for while recommending the yates at every occasion?
As far as I know, yes.

Sleeve bearings are cheap, but they work ok. The only thing I've heard about sleeved bearings is to be careful with them in horizontal layouts. Some folks have noted that sleeved bearings have a tendency to wear out faster (oil works it's way out) when mounted horizontally. I'm not so sure myself, I never really had an issue with sleeved bearing, but I also never run any fans horizontally for my system builds. I think any fan will have a shortened lifespan when run horizontal.

I think there is some truth to the special bearings being quieter, but most of the noise I generally hear seems to be either motor or fan blade type noise.
    
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post #20 of 84
Quote:
Originally Posted by Martinm210 View Post
As far as I know, yes.

Sleeve bearings are cheap, but they work ok. The only thing I've heard about sleeved bearings is to be careful with them in horizontal layouts. Some folks have noted that sleeved bearings have a tendency to wear out faster (oil works it's way out) when mounted horizontally. I'm not so sure myself, I never really had an issue with sleeved bearing, but I also never run any fans horizontally for my system builds. I think any fan will have a shortened lifespan when run horizontal.
yeah, thats what they say. i have yet to see the first sleeve bearing fan die, even when in a horizontal position.
but from what other users report im supposed to be lucky. they say the UK's die and/or make clicking noises... i dont get any of that. i got mine in two batches, and another batch of TT Thunderblades (also sleeves), so i dont know... not saying they're wrong or lying, just dont get why mine are the best fans i've ever owned, while the exact opposite is true for other users... perhaps the "lucky" owners just dont ever talk about it.

i actually kinda like sleeve bearings for their great RPM to noise ratios.
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