[time-nuts] 53132 replacement fan
jimlux at earthlink.net
Mon Nov 21 12:57:06 EST 2016
On 11/21/16 6:39 AM, Charles Steinmetz wrote:
> Tom wrote:
>> Airflow 7.17 CFM
>> 6300 RPM
>> Noise 24 dBA
>> 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.
That's a 40mm fan, which is a standard size, I'll bet you can find a
slower turning/quieter fan.
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