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Frequently Asked Questions
Can you overwind a grandfather clock?
No — this is one of the most common misconceptions about grandfather clocks, and it is not possible. Grandfather clocks store energy by raising weights, not by tensioning a spring. Once the weights reach the top, no more energy enters the system. If a grandfather clock stops working after winding, the cause is dried oil, dirt in the movement, or worn parts — not overwinding. Wind the weights fully once a week and the movement handles the rest.What are the three weights for on a grandfather clock?
Each weight powers a different function. The left weight drives the hour strike — the count of blows on the full hour. The centre weight powers the timekeeping movement and keeps the pendulum swinging. The right weight drives the chime melody — the quarter-hour sequence and the chime pattern before the hour count. If one weight runs down before the others, that function stops while the others continue. Wind all three to the top on the same day each week.What is a Tempus Fugit grandfather clock?
Tempus Fugit is a Latin phrase meaning "time flies" — it is a decorative inscription printed on the dial of many grandfather clocks, particularly American market pieces from the 1960s through the 1990s. It is not a brand name, a manufacturer, or any indication of quality. To identify what movement a clock contains, look at the back plate of the movement itself — Hermle, Kieninger, or Franz Hermle markings indicate a quality piece. The dial inscription tells you nothing about what is inside the clock.Questions about winding, regulating, and servicing grandfather clocks — or what to look for when buying mechanical versus quartz — are covered in the Grandfather Clocks FAQ.




