[ARC5] Brass-tubing tuning-adapter.
Bill Cromwell
wrcromwell at gmail.com
Wed Aug 27 20:25:45 EDT 2014
Hi Wayne,
I saw that method described - complete with pictures. I don't recall now
if I saw it on a web page or downloaded one of those conversion books
and saw it there. The one I saw was for the 40 meter band on a 6 to 9 Mc
receiver. The trouble is that it has a separate scale for each turn of
the knob and they do NOT align. A Vernier scale made to align with the
existing dial scale will do the job with just *one* scale. If the tuning
mechanism had a one to ten turn ratio then the scale on the knob would
work wonderfully well. But one turn of the knob does not do 10 or 100kc.
It still might be of interest to some of our friends here. I'll see if I
can find it.
73,
Bill KU8H
On 08/27/2014 07:33 PM, hwhall at compuserve.com wrote:
> In my 1970 edition of Tom Kneitel's "Surplus Conversion Handbook"
> there is a one page article, "Bandspreading ARC-5 Receivers", that
> describes a band spread scale that attaches to the knob that drives
> the spline shaft.
>
> Wayne Hall
> WB4OGM
>
>
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