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Subject: Re: [TenTec] OMNI VI main tuning knob
Author: Jay A Beamer at 4H-MAILC05
To: <tentec@contesting.com>
Date: 8/19/98 3:04 PM
Let's see if I can answer all these for you. Last first.
Optical encoders, I think, about $25. N6OIP bought one a while
back to build himself a 301 remote tuning control. The optical
encoder in my Argonaut II has some wobble and I about came
unglued when I discovered it. Unfortunately, that particular
encoder is no longer available. It was made my Clarosat and I
called them to speak to one of their engineers about it.
Thought I might be able to get parts, understand the wobble,
get new unit etc. Engineer and I played phone tag and never
did get to speak to him directly. What I found is that it
isn't noticed unless I actually grab the knob and lift it up
to actully make it wobble cause the knob is heavy enough that
with routine tuning and turning, you never notice the wobble.
My guess is that the wobble has been enhanced by the fact that
the parts were not machined to within the proper tolerances at
the factory (made late on Fri afternoon or eary Mon morning)
and is not an indication of severe failure of the unit. As far
as installation, don't know what it takes to get to the unit,
probably just droping front panel, but electrically, not much
to it. I think 4 wires.
ciao,
Jay/KM6VX
Curious again.... I have had two OMNI VI's, had to sell the
first for food (well, for a computer that enabled me to get
food!) and then found this one so cheap I had to have it :-) .
I noticed in each of them, just a little play in the optical
encoder shaft, a bit of "wobble" and a few days ago someone
decried such movement as though it was not a feature, but a
bug.
I like a very tight tuning feel, and wonder if anyone else
noticed a very firm optical encoder tuning shaft, is there
any noticeable "wobble"? If there are more than a few that
don't have it....I may be saving some dough to pick up a new
optical encoder so that I can have a more stable tuning knob.
Anyone ever buy one and know how much $ and how much trouble
to install?
Clark
WA3JPG
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