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Pendulum does not keep swinging - NAWCC Forums 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 are free to move If the pendulum swings and there is no tic-toc sounds then the clock isn't running at all - the pendulum, for lack of a better word, is just
HOW A PENDULUM CLOCK WORKS - NAWCC Forums 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 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 rehung the pendulum and tried to restart the clock, but there is no more tick tock sound and pendulum eventually stops
Hermle 451-050H runs briefly then stops - NAWCC Forums The clock will run for about 20 cycles of the pendulum and then you can see the piece holding the pendulum will jump stutter and it stops I could only upload this short clip because of file upload limitations
Pendulum weight - NAWCC Forums 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 5 oz How does weight affect the timing of the pendulum? If the weight is not critical, is a heavier weight better or
The Dead-Beat Escapement - NAWCC Forums 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 designed to 1 1⁄2 degrees Lock The quantity of distance a wheel tooth, immediately after drop, overlaps the concentric dead-face of the pallet
ALL ABOUT PENDULUMS | NAWCC Forums 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 (weight) of a pendulum", we're including the mass of the stick
fast slow dial on mantel clock | NAWCC Forums 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 use the F S dial on the clock face to fine tune it Question: if the clock is slow do I turn the dial toward the
Pendulum stops after 10-15 minutes - NAWCC Forums 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 then swing to the left and back slightly, then to the right and forward slightly
Catalog of 400 Day Torsion Clock Pendulums - NAWCC Forums 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 references It will attempt cover as many of the different variations from each manufacturer as examples have been discovered Pictures and descriptions of each pendulum's characterisics will be provided along with the