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  1. HOW A PENDULUM CLOCK WORKS - NAWCC Forums

    Jan 21, 2015 · The pendulum hangs from a flat suspension spring, and swings freely. But the rod or leader of the pendulum passes loosely through a loop in the end of the crutch.

  2. Pendulum does not keep swinging - NAWCC Forums

    Jan 28, 2018 · Remember the clock movement powers the pendulum, the pendulum does not power the clock. The fact that the clock runs with the pendulum off indicates that all the …

  3. ALL ABOUT PENDULUMS | NAWCC Forums

    Jul 9, 2013 · A basic pendulum consists of a weighted bob, and a stick, hanging from some suspension point. The pendulum is the whole thing, because when we talk about "the mass …

  4. Westminster chime and pendulum - NAWCC Forums

    Nov 17, 2024 · I interpreted your word "stem" equating to 'pendulum hanger post', 'suspension spring post', 'suspension cock', etc. Shorten it about 1", or whatever it takes to give you the …

  5. Hg (mercury) temperature compensating pendulum. Other ways?

    Nov 14, 2012 · I would suggest that you Google pendulum, temperature, compensating. While this is a very interesting subject from a historical standpoint, air conditioning, quartz control …

  6. Pendulum Bob for Seth Thomas mantel Clock - NAWCC Forums

    Feb 19, 2024 · Does anyone have a pic of what the pendulum bob should look like on a Seth Thomas, 1962 Woodbury mantel clock A401? I posted pics a couple of years ago because the …

  7. Hermle Lyre Pendulum center rod - NAWCC Forums

    Oct 16, 2016 · I have a Hermle 144 cm Twisted wire pendulum with the center rod (round brass) broken. The rod is approximately 3/8 inch diameter with a screw at the top...

  8. Pendulum weight | NAWCC Forums

    Mar 10, 2005 · The equation giving the period of a rod pendulum is different from that of a theoretical pendulum. So, the period differs depending on the relative weights of the rod and …

  9. Help identifying old pendulum clock - NAWCC Forums

    Feb 10, 2024 · Hello, I have an old pendulum clock which I'd like to identify and, if possible, date. It belonged to my grandfather. I've known it since the eighties, when I was a little boy, but it's …

  10. Clock Repair | NAWCC Forums

    Sep 12, 2013 · Clock movement repair techniques and troubleshooting problem area.==> PLEASE POST PHOTOS WHEN ASKING QUESTIONS - We need to see what you're seeing! …