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Does anyone have a solution to prevent these rubber knobs from falling off? ?I lost one on a SOTA activation a while back. ?It was too cold and windy for a productive search in the snow and rocks! ?John has graciously sent me one from Reno and I would like to make sure I don't lose any again. ?The ideal solution would keep it on during cold summit activations but allow removal without damage if necessary to open the rig up at some point in the future. ?I've heard some folks recommend loctite or hair spray. ?Any thoughts / experience?
Many thanks, Mike AE0IH |
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Mike, I pulled mine off so I could use some deoxit to clean up after salt water spray, and then put dielectric grease into the recess in the body to prevent any future pooling of water there.? When I put the knobs back on I just secured a cable tie tightly around them. This was meant as a temporary measure, but has actually made it easier to operate the knobs with gloved hands. They've been like this for several months now! I think a smear of clear silicone would be probably be suitable though, or contact adhesive. Both of these can be peeled back off the shaft without damage. Interested to know what you eventually end up using. Best regards M3KXZ On Sun, 19 Feb 2023, 00:23 Mike AE0IH, <michael.ramos.exec@...> wrote: Does anyone have a solution to prevent these rubber knobs from falling off?? I lost one on a SOTA activation a while back.? It was too cold and windy for a productive search in the snow and rocks!? John has graciously sent me one from Reno and I would like to make sure I don't lose any again.? The ideal solution would keep it on during cold summit activations but allow removal without damage if necessary to open the rig up at some point in the future.? I've heard some folks recommend loctite or hair spray.? Any thoughts / experience? |
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Pete,
Thanks for your response. ?Some good ideas there. ?I really like the idea of putting a little bit of dielectric grease in the recesses under the knobs as added security against moisture. ?Silicone or contact cement for the knobs also make sense to me. ?Maybe one day an enterprising operator will fashion some 3d printed knobs with set screws. ?I have to admit, though, that I love the tactile feel of the soft rubber ones. ? On another note, you've got a terrific QRZ page. ?Great to see all that you are doing with QRP! I'll let you know what I eventually do to keep the knobs on. 73, Mike AE0IH Fort Collins, Colorado |
George MM0JNL