
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 …
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 …
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 …
Clock runs too fast no matter what - NAWCC Forums
Dec 29, 2017 · I have a 19th century French mantel clock with a Japy Freres movement. It always runs 4-8 minutes per hour too fast. I have tried long and short pendulum lengths, light and heavy …
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.
Westminster chime and pendulum - NAWCC Forums
Nov 17, 2024 · As you can see in the picture, the pendulum is right in the middle of the hammers. The pendulum measures 86 cm and has a 14 cm stem on the movement. The chime is 57 cm long. 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 …
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 …
Junghans mantel clock: pendulum suspension (?) spring replacement
Jul 16, 2009 · One of my educational clocks is an early 20th century Junghans. This is a pendulum clock with a five tone strike mechanism. The pendulum suspension (assuming I have the term correct) …
Adjusting this Escape Wheel and Pallet | NAWCC Forums
Feb 15, 2022 · In simple terms, the escape wheel moves exactly the same amount when the pendulum swings left and when it swings right. If the pallets are too far apart due to wear or having been …