
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 …
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.
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 …
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 …
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 …
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 …
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 …
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 …
The action in which the escape wheel transfers energy into the pendulum by exerting force on the appropriate pallet face. For most designs, this is 2 degrees. If the pendulum is heavy, it will be …
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 …