[Elecraft] Quieter fans on the K3 ?

[Harry Yingst]

No problem with them being a bit thicker as the fans are external



      From: Clay Autery <cautery at montac.com>
 To: elecraft at mailman.qth.net 
 Sent: Saturday, February 11, 2017 5:55 PM
 Subject: Re: [Elecraft] Quieter fans on the K3 ?
   
It would appear you made a good choice in fan selection....  FYI, I use
sorbothane for isolators and other damping needs.  Works great.  Noise
reduction depends on making sure to interrupt the connection between the
fan body and the mounting point in the case.... to include not letting
the same fastener touch both the solid fan chassis and the radio
chassis, etc. Next is to prevent airflow short circuits... et al.

The additional 10mm of case thickness doesn't interfere with anything?

______________________
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 2/11/2017 4:33 PM, Harry Yingst via Elecraft wrote:
> New Fan : Noctua NF-A6x25 FLXAirflow : 17 cfm (29.2 m3h converted to cfm)Noise : 19.3dbSpeed : 3000 RPM (at 12 v)Static Pressure : 2.18 mmCutent : 120 mA  (.12 A)
>
> Original Fan : UTEC AT6015L-12L2B-ND2Airflow : 15.4 cfmNoise : 24.8Speed : 3000 RPM (at 12v)Static Pressure : 2.21mmCurrent : 100 mA
>
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