[time-nuts] 53132 replacement fan

Charles Steinmetz csteinmetz at yandex.com
Mon Nov 21 09:39:25 EST 2016

Tom wrote:

> EFB0412MD
> Airflow 7.17 CFM
> 6300 RPM
> Noise 24 dBA
> FBK04F12U
> Same exact form factor.
> Air Flow 9.2 CFM
> 9500 RPM
> Noise 42 dB(A)

Note the 18dB greater noise (that's a HUGE difference).  Even with bad 
bearings in the original fan, it is probably considerably quieter (by 
10dB or more) than the proposed replacement.  On the other hand, the 
replacement moves 28% more air, which may be a good thing.

Best regards,


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