[Elecraft] K1 100k Pot

W2BJ barry at w2bj.com
Sat Aug 7 15:44:43 EDT 2004


On 8/7/04 2:47 PM, "Mike Morrow" <kk5f at earthlink.net> wrote:

> Barry wrote:
> 
>> The 100k pot for VFO tuning broke yesterday.  It really looks strange.  The
>> back is broken off.  I have heard that there is a better pot with a metal
>> shaft.  Could someone tell me where I can get one
> 
> Hi Barry,
> 
> Something must have struck the VFO knob and pushed it into the panel.
> 
> For the metal shaft replacement pot that many have used, go to
> 
> http://www.mouser.com and enter
> 
> 652-3540S-1-104
> 
> in the part number search box at the top left side of the web page.  You'll
> get a page where you can get all the particulars on this item.  Mouser
> doesn't have a minimum order requirement.  The current part price shown is
> $13.50, and expect about $3.50 shipping.
> 
> I personally did not find there to be any **significant** difference between
> the stock VFO pot and this metal shaft replacement with regard to
> smoothness, noise, wobble, etc., though others have reported improvement in
> those characteristics.  In your case (replacement of a damaged pot), I
> suppose all that is of no concern.
> 
> 73,
> Mike / KK5F
> 
> 
> 
Thanks, Mike.
I just ordered one.  I think the problem was in the pot.  Although it
worked, the shaft would slide out about 1/2 inch and would change frequency.
It finally broke.  Thanks for the information.

72/73,Barry J. Minsky, W2BJ ARRL, QRP ARCI #8871,
NorCal #1560, QRP-L, FISTS #2701, Century Club
#569, Platinum #51, Silver #119, FISTS CW Club of
Coastal Georgia, Knightlites, Adventure Radio
Society #359, QCWA #29298, OOTC #3723, SOC #193,
K2 #577, K1 #98, KX1 #69, Rock Mite



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