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 …

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 …

Nov 18, 2024 · I've taken an Edisonian approach to finding the right length of a pendulum in order to make a mechanical clock a good timekeeper. I suppose I could take an ab initio approach …

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 …

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 …

May 30, 2022 · A picture of the proposed pendulum would make it easier to recommend how best to proceed with shortening. To determine how much to shorten, I would bring the bob all the …

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 …

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 …

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 …

Mar 6, 2017 · - pendulum hanger (if applicable) hooks parallel and lined up with each other so they hang on the bottom of the suspension spring hooks (if applicable) evenly. if it's a standard …