Jerry,
My Omni VI knob has too much drag, and I can't seem to reduce it. In
addition, the knob has begun to make a horrible vibration noise every ten
turns or so, especially when I spin it fast. I'm wondering if this is a
symptom of a bad bearing in the encoder. Also, please answer, if you will,
this stupid question: How do you take the tuning knob off ? I don't see
any set screws, and don't want to put a lot of force on it until I know
exactly what I'm doing.
Thanks & 73,
Chuck NI0C
> The slip clutch arrangement works just fine if the knob is set up
> properly to begin with. It has been used on a number of Ten-Tec rigs.
>
> An interesting excercise is to take the knob totally off so that you can
> see how the clutch works and its range of motion. Then set it so that
> the two clutch pads are as retracted as possible and then reinstall the
> knob pressing in to the point just before the pads begin to cause drag.
> You can now add additional drag by holding the slip ring with one hand
> and turning the knob with the other.
>
> Now one thing I will mention. I personally don't like any drag myself so
> all my Ten-Tec knobs are set loose. However I don't know about the
> previous owner of my Omni-VI Plus, I do know that the main encoder
> bearing is shot and that I had to install a new encoder and they are
> expensive! I suspect the more drag you set the more wear this bearing
> will endure. Just a thought.
>
> Jerry, KG6TT
>
>
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