[Hammarlund] Unstable Oscillator adjustments in the HQ-180

[manualman at juno.com]

I bet back in the "good old days" they didn't have/use ceramic
screwdrivers when manufacturing and aligning this equipment and this
stuff still turned out fine.

Pete, wa2cwa

On Fri, 12 Feb 2016 11:22:50 -0800 Richard Knoppow
<1oldlens1 at ix.netcom.com> writes:
>     At one time I had a long ceramic adjustment tool with slot 
> screwdriver ends. I may still have it but it disappeared after 
> moving 
> some stuff to storage.  It was very useful. For one thing it would 
> reach 
> into equipment that nothing else was quite satisfactory for such as 
> my 
> General Radio 1001 signal generator. If the tip broke I could grind 
> it 
> back to shape just as with a metal screwdriver.  It was also 
> non-reactive, i.e., could be used to adjust oscillators, etc, 
> without 
> pulling the frequency.
> 
> On 2/12/2016 8:59 AM, k2cby wrote:
> > The best investment I ever made was a set of ceramic screwdrivers. 
> They are
> > a Japanese import, and you can find them on eBay. There are two 
> downsides:
> > (1) The blades are small and spec'd in mm - read carefully before 
> you buy;
> > and (2) the blades are very short - 1-1/2 inches or so (but you 
> might be
> > able to cur away the handle and attach the blade to a longer 
> shaft).  The
> > good thing is that the ceramic blades are very strong, don't chip 
> or break,
> > and are of course completely transparent to electrical and 
> magnetic fields.
> >
> > Miles B. Anderson, K2CBY
> > 16 Round Pond Ln.
> > Sag Harbor, NY 11963