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Need a quiet fan
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xtreme571
Rated PG


Joined: 27 May 2006
Posts: 13
PostPosted: Sat, 27 May 2006 23:47:32    Post Subject: Reply with quote View Single Post
I would recommend the biggest fan possible. Bigger fans usually run at lower rpms and provide more airflow.

You need 100k potentiometer to control the speed of a fan. Search on google, and you'll find how to make a fan controller for like a buck or two.
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Little Bruin
Boo Boo

Joined: 07 Apr 2003
Posts: 667
Location: Pic-A-Nic Basket
Beer Moon
Rated PG


Joined: 29 May 2006
Posts: 13
PostPosted: Mon, 29 May 2006 02:07:45    Post Subject: Reply with quote View Single Post
I grabbed the highest CFM Panaflos I could find. They were 12.99 each.

I got a Vantec Nexus fan controller. It was $16.55.

Anyway, Panaflo makes medium and low-noise fans too if you're not big on the controller deal. I'd really recommend the controller though. It could probably work with cheap fans too.
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DragonMaster
Rated NC-17


Joined: 31 May 2006
Posts: 134
PostPosted: Wed, 31 May 2006 18:56:44    Post Subject: Reply with quote View Single Post
Quote:
You need 100k potentiometer to control the speed of a fan.


Also check if it's linear, logarithmic/audio or reversed-log. You want a linear pot. It's going to be marked 100KB on it. (A for log, B for linear, C for reverse log)

It's only about $2 for one at RatShack.

Some fans are noisy because of poor blades or motor humming. Even a fan controller will not help in this case. There are ball bearing fans that, when turned manually, are harder to turn at specific spots. There are going to make lots of motor noise.

You should look for about 27dB or lower.
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monkeysauce
Rated PG


Joined: 02 Jun 2006
Posts: 13
PostPosted: Fri, 02 Jun 2006 19:10:47    Post Subject: Reply with quote View Single Post
Second on the panaflo. Running 3 in my machine

90mm L
80mm M on 7v
120mm M on 7v

Very pleased with the CFM-to-Noise, just not so pleased on the price!
________
Slingshot
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