power supply

  1. J

    Whelen tail strobe acting erratically

    Looked for a thread on this subject but couldn't find one... I have a '51 PA-22 with an old Whelen red/white strobe mounted atop the rudder. Today during pre-flight I noticed it still flashed, but about half as frequently, and not in a consistent rhythm... My guess is the power supply (or...
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