[Elecraft] K3 Noisy fans?

[David Wilburn]

Wasn't there a menu setting that set what speed the fans would run at? 
   Remember something from the assembly instructions.  Is it possible 
these folks have a different setting?

Dave Wilburn
NM4M

Joe Planisky wrote:
> I stand corrected.  There are apparently a lot of quiet K3s out there.
> 
> I wonder if the quiet fans are from a different manufacturer?
> 
> The fans in my K3 are made by UTEC:
> Series 8162 P/N AT6015L-12L2B ND5
> Series 8163 P/N AT6015L-12L2B ND2
> 
> The replacement fans (from Elecraft) were identical.
> 
> 73
> -- 
> Joe KB8AP
> 
> On Dec 9, 2008, at 8:34 AM, Ron D'Eau Claire wrote:
> 
>> There were a number of comments among the first customers that the 
>> fans were
>> so quiet they couldn't tell if they were running without turning the rig
>> around and looking at them.
>>
>> That's how mine are too (S/N 10 - early pre-production K3) and I am very
>> sensitive to fan noise. On the rare occasions my K3 is actually 
>> assembled an
>> on the operating desk, it's close to a wood paneled wall and I'm not 
>> aware
>> of them even though there's not a single other fan our source of noise in
>> the room.
>>
>> Indeed, I sometimes can't hear them running when I'm working on the 
>> rig on
>> the bench.
>>
>> After taking a number of complaints about the little "whizzer" fan in the
>> K2/100, I believe that was Wayne's intent ;-)
>>
>> It sure sounds like something is quite different now. I'd recommend also
>> posting a note on k3support at elecraft.com about it.
>>
>> Ron AC7AC
>>
>>
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net
>> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Joe Planisky
>> Sent: Tuesday, December 09, 2008 7:56 AM
>> To: David Ferrington, M0XDF
>> Cc: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] K3 Noisy fans?
>>
>> I think you got lucky and have extra quiet fans :-)
>>
>> 73
>> -- 
>> Joe KB8AP
>>
>> On Dec 9, 2008, at 7:20 AM, David Ferrington, M0XDF wrote:
>>
>>> That's how my K3 is set up too, in a corner where walls can reflect
>>> any noise.
>>> I still think there is something else wrong.
>>> 73 de M0XDF, K3 #174
>>> -- 
>>> They know enough who know how to learn. -Henry Adams (1838-1918)
>>>
>>> On 9 Dec 2008, at 14:55, Joe Planisky wrote:
>>>
>>>> I've also found that where I place the K3 on my desk makes a
>>>> difference in how loud the fans sound.  My desk is in a corner of
>>>> the room and if I place the K3 so the back is pointing into the
>>>> corner, the walls reflect any sound right back toward me and the
>>>> fans are louder.  If I place it on a table in the middle of the
>>>> room, I don't notice the noise nearly as much.
>>>
>>
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