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  1. Adjusting the length of the pendulum - NAWCC Forums

    Nov 18, 2024 · I've taken an Edisonian approach to finding the right length of a pendulum in order to make a mechanical clock a good timekeeper. I suppose I could take an ab initio approach …

  2. Problems with pendulum suspension and rotation - NAWCC Forums

    Feb 11, 2025 · This Clock has nothing to do with Asia, it is a Regulator completely made in Portugal in the 50s-60s In Portugal there was a tradition of watchmaking that began in the 19th …

  3. Pendulum does not keep swinging - NAWCC Forums

    Jan 28, 2018 · 1. The clock is level, no missing legs. With pendulum hang, it swings about 20 seconds and then stop. 2. After take off the pendulum, the hook keeps swings but very fast, …

  4. Pendulum fails to keep swinging - NAWCC Forums

    Jul 30, 2024 · Hi, I have a Kienzle Grandmother clock circa 1920. The problem I have is that once I start the pendulum swinging it will only work for around 5 minutes. Also there are three …

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

    Feb 20, 2019 · Ok, we have finally reached the point of this post. The clock’s pendulum stops after about 10-20 minutes. I have read up a bit on this. I have listened to the tick/tock and it …

  6. Seth Thomas Grandfather Clock Pendulum Suspension

    May 11, 2025 · I have a ST grandmother clock that needs a pendulum suspension. The original part was missing when I bought the clock that also had a broken suspension spring. The …

  7. Clock only tick without pendulum - NAWCC Forums

    Jan 27, 2025 · You cannot set the beat by ear without the pendulum bob being in place, or if the pendulum is just swinging from being pushed (clock is not really running on its own). Try …

  8. Question about pendulum amplitude - NAWCC Forums

    Jun 5, 2025 · I had way too much weight driving the escapement (a random bolt tied to end of string on a pulley). Reducing that driving force seemed to reduce the amplitude of the …

  9. What size weights and pendulum do I need for my cuckoo clock?

    May 27, 2025 · The pendulum I would choose is a 1.5" wide "chalet" style readily available from clock parts vendors. Start with a 7" stick (typical length from vendor) and adjust/shorten as …

  10. URGO'S 32 PENDULUM LENGTH - NAWCC Forums

    Mar 27, 2025 · The top piece has been cut off. This pendulum is a 'make do' replacement. Nearly all UW32s had wood stick pendulums. A very few had a small lyre style pendulum but they …