[Elecraft] KX2 Weighted Knob

Christopher Hoover ch at murgatroid.com
Fri Mar 31 22:30:08 EDT 2017


>
>  Our goal for the KX2 was to make it really lightweight. Light enough to
> be used as an HT.


Is it really practical as an HT?   Some will use it that way for sure, but
it is already quite heavy without an antenna.

I really like my KX2, but, with respect,  I'm unconvinced the HT use case
is worth trading heavily against the more  practical use cases.

-- Christopher
73 de AI6KG





On Thu, Mar 30, 2017 at 5:09 PM, Wayne Burdick <n6kr at elecraft.com> wrote:

> In response to various comments on the KX2 knob (today and earlier):
>
> Our goal for the KX2 was to make it really lightweight. Light enough to be
> used as an HT. Goat-optional on longer hikes.
>
> Even 1 ounce of additional weight can increase fatigue when holding a
> device (try, for example, carrying around an iPhone 7 vs. an iPhone 7+). So
> we designed a low-profile plastic VFO A knob that is big enough to get the
> job done.
>
> Another reason not to use a heavier knob is that the KX2’s VFO encoder is
> itself a compact unit that has a sleeve bearing. Weighted knobs should in
> general be used only with heavier, ball-bearing style encoders. On this
> encoder, a heavy knob would shorten the rotational life.
>
> Regarding adding a dimple: I’ve tried knobs this size with dimples and
> found that they were hard to use. A matter of taste and fingertip size, I
> guess. Meanwhile, the present knob can be “spun” to a certain degree by
> putting light finger pressure on the rim.
>
> 73,
> Wayne
> N6KR
>
>
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