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 …
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 …
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 winding holes on …
Cuckoo pendulum keeps stopping - NAWCC Forums
Nov 2, 2022 · Have a Schneider cuckoo clock, just bought it used, looks very nice & not too old, having a problem with the pendulum, it keeps stopping & only swings for up to about 3 minutes. I loosened …
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 …
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 …
Clock Runs For Hours/Days Without Bob/Pendulum But Not With Bob ...
Jun 22, 2017 · Rational: Leveling (beat) and the absence/presence of power are non issues since in my experience an unlevel/out of beat clock runs even less without a pendulum/bob than with, and if …
Seth Thomas Mantel Clock ID and Pendulum Help - NAWCC Forums
Aug 17, 2025 · 1. I need a pendulum. On eBay there are a few marketed for #89 movements. Are all #89 pendulums compatible? Do I need a particular one? 2. How old is this clock? On the back door is …
Cuckoo Pendulum Won’t Stay Swinging - NAWCC Forums
Oct 9, 2010 · The problem is that the pendulum won't swing back and forth to keep the time going. The weight on the right side works fine (falls) and it does cuckoo when I move the hands to the hour. The …
Clock Repair - NAWCC Forums
Apr 19, 2026 · Clock movement repair techniques and troubleshooting problem area.==> PLEASE POST PHOTOS WHEN ASKING QUESTIONS - We need to see what you're seeing! Clock Hints & …