I just recently came by a number of vacuum capacitors similar to
UCSF-500.
Don't know much about them, suspect they are most probably war surplus!!
They have evidently received some water damage and I cant turn the
adjustment screw.
The plunger (brass) is quite corroded - are they repairable?
Is there a spring holding them in or is it atmospheric pressure?
How much force can I use to screw them ? Some plungers are out others
in!!
Can anyone advise if these are repairable and if so had any experience in
freeing them
up.
Eddie
VK2BEH
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