Seems to me these springs are found in knobs to fit shafts with flats. Some knobs also have a flat, the spring fits into that and against the flat on the shaft when the knob is installed. I can't remember exactly how the spring is formed and don't have one to look at. My memory is some springs are formed into a partial arc so that one end goes into the knob and, when installed, the bowed up part is against the shaft. I also seem to remember U shaped springs but am less sure of that. The problem with makeshift substitutes is that they can jam making the knob difficult or impossible to remove again. Of course, shafts with flats are also used with knobs having a set-screw, to located them or keep them from turning.
toggle quoted message
Show quoted text
On 2/5/2024 1:02 PM, wb6ogd wrote:
Bob,
Yes, I am talking about the little flat spring.? That must be what you are missing.? Normally
the coupler is so tight you have to pry it loose with a screwdriver against the PA cage.
I did see on one of the groups recently that someone found the little metal cutter that's inside
a dental floss container works perfectly..?? I haven't tried it though.
It is probably the same as the Drake knobs, maybe the knob repro guys have just the spring?
Or you might try a little piece of copper wire stuffed in there.
73,
Gary
WB6OGD
--
Richard Knoppow
Los Angeles
WB6KBL
SKCC 19998
