[Elecraft] noisy VFO's

[KQ8M]

Can you divulge the secret of this material or would your wife whip you into
an inch of doing dishes for not keeping it secret?


Tim Herrick, KQ8M
North Coast Contesters
kq8m at kq8m.com




-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Stewart
Sent: Thursday, December 15, 2011 11:02 AM
To: Gary D Krause; Keith Heimbold; Elecraft
Subject: Re: [Elecraft] noisy VFO's

My wife provided me with some smoother felt which I cut into washers.
It is a lot quieter than the horse hair felt washers supplied.

73
Stewart G3RXQ
On Thu, 15 Dec 2011 08:55:54 -0700, Gary D Krause wrote:
> My just built K3 also makes the same noise.  It's the felt washer rubbing
> against the back of the knob.  I was tempted to push the washer down
around
> the nut against the front panel but, the manual isn't exactly clear as the
> whether it should be applied this way.  I laid the felt washer on top of
the
> nut since the hole is the middle of the washer isn't big enough to go over
the
> nut.  Is the felt washer suppose to go around the nut?
>
> Gary, N7HTS
>
>
> On Tue, 13 Dec 2011 08:40:21 -0800
>  Keith Heimbold <ag6az at hotmail.com> wrote:
>> My newly acquired K3 makes this VFO noise as well for the VFO A knob. It
is
>>only annoying when I have the headphones off.
>>
>> Keith
>>
>> Sent from my iPhone please excuse typos
>>
>> On Dec 13, 2011, at 8:28 AM, "Ron D'Eau Claire" <ron at cobi.biz> wrote:
>>
>>> That's something entirely new, Natan, and not normal for a K3. The pad
>>> between the knob and the front panel should be nothing but a soft felt
>>> washer, virtually noiseless as the knob turns.
>>>
>>> Is there anything else there?
>>>
>>> If not, recommend that you drop an e-mail to K3support (at) Elecraft
(dot)
>>> com. You'll get a quick response.
>>>
>>> 73,
>>>
>>> Ron AC7AC
>>>
>>> -----Original Message-----
>>> From: elecraft-bounces at mailman.qth.net
>>> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Natan Huffman
>>> Sent: Tuesday, December 13, 2011 8:03 AM
>>> To: elecraft at mailman.qth.net
>>> Subject: [Elecraft] noisy VFO's
>>>
>>> Hello All,
>>>
>>> Last Friday I took delivery of a new K3 along with a P3 and lots of
>>> accessories including Fred Cady's book on the K3.  Only problem to date
is
>>> "noisy" VFO knobs.  The technique to lessen drag does decrease or
eliminate
>>> the noise which sounds like fingernails dragged across a chalk board and
I
>>> do find that noise most objectionable.
>>> Of course I can free myself of the noise by backing off the knobs but
I'm
>>> left with no noise, and no drag at all.  So my choices are no noise, or
no
>>> drag.  No drag leaves me with a
>>> surprisingly free turning VFO knobs that is problematical and proper
drag
>>> leaves me with that horrible scraping which for me is simply
intolerable.
>>>
>>> Has anyone come up with this same problem and has found proper
mitigation
>>> solution?
>>>
>>> Thanks,
>>>
>>>
>>> Natan W6XR, C6AXR, VS6KR
>>> Freeville, NY
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>>>
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