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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 internal moving parts …

  3. Beat Setting 101 - NAWCC Forums

    Nov 21, 2011 · The pendulum passes back and forth across the beat-center in its progression from tick to tock and back. The clock is in beat when the beat-center is perfectly vertical: tick and tock …

  4. Interpret pendulum length spec on movement - NAWCC Forums

    Jan 26, 2025 · To measure a Hermle pendulum length, you need to find the "CM" number stamped on the back of the clock movement, which represents the pendulum length in centimeters, measured …

  5. 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 (weight) of a …

  6. Problems with pendulum suspension and rotation - NAWCC Forums

    Feb 11, 2025 · Hello I'm new to fixing clocks. I have this clock, Reguladora, apparently it looks good, I lubricated it but without the pendulum it doesn't rotate, I have others and they rotate, I thought about …

  7. Pendulum stops after 10-15 minutes - NAWCC Forums

    Feb 20, 2019 · However, the pendulum does swing in a diagonal back to front motion rather than just side to side. If you’re looking at the clock face and start the pendulum by moving it to the right, it will …

  8. fast/slow dial on mantel clock | NAWCC Forums

    Dec 15, 2012 · I am trying to get my Ingraham Adrian mantel clock that I got back from the clock repairman to keep accurate time. I have been adjusting the nut on the pendulum bob. I figure I will …

  9. Catalog of 400 Day Torsion Clock Pendulums - NAWCC Forums

    Sep 6, 2021 · Latest update: Nov 3, 2025 This article is intended to provide a catalog of 400 day clock pendulums to fill in some of the omissions in the Horolovar Repair Guide and other references. It will …

  10. 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 maximum …