I will second Dan. I had one of my caps go bad and you could see the fins buckling up. I suspect yours may either buckle in the future or may be starting to know. The 4SQRP guys are real good about replacing any parts that are not working/bad.
> 1 - My 4SQRP Tuner has a DPDT toggle switch. I suspect your switch
> was supplied due to a parts supply issue with the original switch.
> 2 - Doesn't sound good. Make sure the polyvaricon mounting screws
> aren't too long, then they might be pressing on the end of the cap
> plates. Sounds like a recipe for failure! Paul Goemans WA9PWP
> Stoughton, WI
> From: Daniel Walter via groups.io
> Sent: Thursday, October 08, 2020 11:23 AM
> To: main@4SQRP.groups.io
> Subject: [4SQRP] 4SQRP Tuner
> Built the Tuner and it seems to work well. A couple of questions: 1-
> Switch has a center OFF position, which connects to nothing. Is
> this intentional to d/c the antenna? If so, it does not ground both
> 2- One of my polyvaricons has 'bumpy' travel (the other is
> completely smooth operating.) should I just ignore this, or is it
> likely to fail?