[Elecraft] K2 slug-tuned inductors

Gwen Patton ardrhi at gmail.com
Fri Sep 21 17:49:43 EDT 2018


The last time I had to do this and didn't have a dedicated tool, I took a
Chinese take-out bamboo chopstick and carved it to fit the slug. It's
fairly easy to do and if you mess it up you just cut off that part and try
again. The bamboo is strong but easy to carve, and it's non-magnetic of
course.

On Fri, Sep 21, 2018 at 5:39 PM Bob Nielsen - N7XY <n7xy at n7xy.net> wrote:

> A metal screwdriver might affect the inductance.  There are several
> inexpensive tuning tools made with a plastic handle and a small thin
> metal blade, for example:
>
> https://www.digikey.com/product-detail/en/bourns-inc/H-90/H90-ND/262571
>
> I used a similar tool when I built my K2.
>
> Bob, N7XY
>
> On 9/21/18 7:41 AM, AE0MM via Elecraft wrote:
> > The green plastic tuning tool is too wide to fit in the slot of the
> narrow slot slug-tuned inductors. Is it safe to use a screwdriver on the
> small slot 1µH inductors?
> >
> > Thanks,
> > --mark/ae0mm
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