[Elecraft] Tuning knob finish

Thu Jan 16 14:20:01 2003

My solution to the tuning knob delima was to attach a small nylon washer on
the face of the knob using double sided carpet tape.  This particular washer
is often used on furniture where it is placed under the the head of
flat-head bolt - the type the normally goes into the counter-sunk hole.
They come in black and white and cost about a quarter each at Lowes.  With
this little washer installed, tuning the K2 is nearly as smooth as my
IC-256Pro.  It may not be as elegant a solution as some would like, but the
black washer almost matches and looks fine to my eyes.

Doug -- K0DXV
K2/100 #1920  K1/4 #1297
----- Original Message -----
From: "Torsten Clay" <[email protected]>
To: <[email protected]>
Sent: Thursday, January 16, 2003 2:03 PM
Subject: RE: [Elecraft] Tuning knob finish

> It's actually not that hard to anodize aluminum yourself. You
> basically need some acid (from battery or swimming pool supplies), a
> DC power supply, and dye if you want the part to be colored. The
> hardest part is going to be getting all the old paint off of the part.
>
> I've done some home anodizing for telescope parts, and they turned out
> fairly nice. There is a lot of information out there in ATM (Amateur
> Telescope Making) web sites and email lists. For example:
>
> http://www.focuser.com/atm/anodize/anodize.html
>
> Torsten N4OGW
>
> -------------------
> > I have the same... er...."problem" although it's taken a lot of
> tuning.
> > I use the Main Tuning knob constantly while operating.
> >
> > S/N 1289 (approaching 3 years of age) now has a shiny spot on the
> knob
> > face and I have no doubt that more will appear over time. The spot
> is  a
> > place where the paint that wasn't all that well bonded to the metal
> got
> > so thin that a small area came loose and left a jagged hole about 2
> by 5
> > mm (abt 1/8 x 1/4 in).
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