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  1. 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 …

  2. 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.

  3. 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 …

  4. I'm confused about pendulum length | NAWCC Forums

    Feb 13, 2005 · I am sure this is basic clock 101 but I would appreciate any enlightment or direction to a good explanation regarding pendulum suspension length. I am somewhat …

  5. 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 …

  6. 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 …

  7. 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 …

  8. 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 …

  9. 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 …

  10. 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 …