[R-390] knobs

[Renee K6FSB]

the reason for the clamp and not set screws is so no damage to the shaft 
and associated bearing when one has to remove the front panel.
Renée

On 2019-04-07 8:35 a.m., wb3fau55 at neo.rr.com wrote:
> Gang- if it gets far along, that we will make new knobs, on the large
> ones, i suggest a modification- to eliminate the clamp shaft
> arrangement? Redo it as a solid boss with 2 setscrew holes. Thus
> eliminating the shaft clamp which are also hard to get.
>   Remember there are 3 different sizes of knobs. as already mentioned
> the BFO knobs need a stop notch.
> Medium and small knobs are available. The large are most hard to get.
> So i would concentrate on the large knobs for now.
> You could run a few large ones and see how they do in operation. 73s
> Russ-Erie PA
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