[Elecraft] K3 VFO B Knob

T Gahagan tgahagan at imt.net
Wed Mar 4 17:41:09 EST 2009


Hi Dave,
I've been using a K2  vfo knob for my K3 B vfo for some months now.  The 
profile of the back of the K2 knob is proper to allow for clearance of the 
fastening nut on the B encoder shaft.  However, the shafts are different 
diameters.  The K2 VFO shaft is slightly smaller so the hole must be 
enlarged to fit the K3 B vfo shaft.  I had a machinist friend do that.  (One 
may be able to do the same on a drill press.)  I like the feel of the 
weighted K2 knob and also use a finger dimple on it.  It makes B vfo tuning 
much easier.  The K2 knob does not obscure  the B vfo label on the K3.

----- Original Message ----- 
From: "David Gilbert" <xdavid at cis-broadband.com>
To: "elecraft" <elecraft at mailman.qth.net>
Sent: Wednesday, March 04, 2009 12:14 PM
Subject: [Elecraft] K3 VFO B Knob


> There are times when I'd like to spin the VFO B knob on the K3 a bit
> more quickly than its small size allows, or do so continuously without
> ratcheting my wrist.  I noticed that the guy who sells adhesive knob
> dimples also offers a replacement knob with a small crank for the FT-817.
>
> http://www.fingerdimple.com/main/page_ft817_kranker.html
>
> Anyone out there know if the FT-817 knob is similar in size (outside
> diameter, shaft diameter) to the knob used for VFO B on the K3?
>
> Thanks es 73,
> Dave   AB7E
>
>
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