
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 …
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.
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 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 …
Hermle movement stopped ticking - NAWCC Forums
Nov 10, 2024 · I have a Hermle 451-05CH movement for a clock we’ve had for years. It has a chain winding system. Today, when I went to wind the clock, the pendulum fell off for some reason. I …
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 …
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 …
Pendulum weight - NAWCC Forums
May 28, 2021 · Is there a specification for the pendulum weight of mantel clocks? I can't find anything in a search of the forums. I've accumulated weights ranging from < 2 oz to more than 5 oz. How does …
Information on Jauch movement | NAWCC Forums
Apr 4, 2010 · That said, a pendulum that's too heavy for the amount of force supplied by the movement's escapement to keep the pendulum in oscillation won't work and one that's too light will give poor …