John Miles wrote: >> I believe Big-Ben in the UK can be corrected by adding pennies to it, so >> providing an upwards force. That is what I am told, but I must admit it >> seems a bit unlikely. Perhaps possible if there are a lot of pennies >> there. Apparently this is done, as it allows corrections without >> stopping the clock. > > Sounds like the same idea as the regulator weight tray on the GE master > clock described on that Telechron site. You're supposed to add/remove > weights from the tray until the clock is running at the desired rate.
A pendulum swings at the same rate, regardless of its weight. The controlling feature is the length of the pendulum. A balance wheel, is a different beast, because the weight of the wheel is balanced against the tension of the spring. -Chuck _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
