
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.
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 …
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 …
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) …
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 …
French mantel Clock runs without pendulum but not with it. Help!
Sep 11, 2016 · I have an old Samuel Marti French mantel clock. When the pendulum is not on it, the clock functions just fine. When I put the pendulum on, it obviously slows down but then keeps …
fast/slow dial on mantel clock | NAWCC Forums
Dec 15, 2012 · I am trying to get my Ingraham Adrian mantel clock that I got back from the clock repairman to keep accurate time. I have been adjusting the nut on the pendulum bob. I figure I will …
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 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 …