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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. pendulum bob weight differences + thick head = (more) ?s

    Mar 28, 2016 · For a pendulum, the farther the bob from the suspension spring, the more rotational inertia it has and the more force required to get it to move (or stop moving). Think …

  4. ALL ABOUT PENDULUMS | NAWCC Forums

    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 …

  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. 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 …

  7. Clock Parts Terminology - NAWCC Forums

    Jan 4, 2007 · Pendulum returns again and another impulse provided to pendulum as tooth pushes against EXIT impulse (LIFT) face. Drop precedes next entrance lock. The terms used in this …

  8. Vienna Regulator Pendulum Adjustment Question - NAWCC Forums

    Jun 28, 2020 · Hello, While there is a traditional nut under the bob which works in the normal fashion to retard or advance (RA) by altering the pendulum's effective length, can anyone …

  9. Determining pendulum lengths (Hermle, Urgos, Kieninger)

    Mar 10, 2015 · The problem is that it also depends on the design of the pendulum. Many of the, longer, lyre type pendulums can be run on a clock designed for a shorter pendulum, made with …

  10. Junghans mantel Clock - Pendulum adjustment for slow clock?

    Mar 5, 2015 · Hi - My mantel clock is running slow (loses about 3 to 5 min every 5 days or so). How do I adjust the pendulum to speed it up a little? Adjust the screw on the pendulum into or …