If the beat is irregular like: tick---tock-----tick-tock, an adjustment must be made or the clock will stop. = 2.72 beats per second = 0.368 seconds per beat Tilt clock to left or right to get an even beat remembering "tilt her til she ticks with pride (clock), then adjust the crutch towards the high side". A clock is "in beat" when the time between each tick/tock cycle is evenly spaced. If your clock stops: Many times the problem with a pendulum clock that stops working is that the clock is out of beat. A clock is termed 'out of beat' if, when placed on a straight and level surface, the tick/tock is uneven ; it won't go at all or ; it will go but only if the clock is raised on one side. 163 b.p.m. The adjustment nut is a large nut at the bottom of the pendulum just below the large disk or weight called the bob. In beat is the term given to a clock when the intervals between the 'ticks' and the 'tocks' are equally spaced. This means that you can very easily correct this issue. The pendulum to make it swing exactly equal distances from dead center to the left, as from dead center to the right. A TOCK-TICK sound is out of beat. Gently set the pendulum swinging. Figure 1. ADJUSTING MANUAL BEAT CLOCKS. 2) Look at the clock again exactly 24 hours later and see if it is fast or slow. 2. If you notice that the beat of the clock (the tick tock) is not even simply bring the pendulum over to one side of the case. To determine if your clock is out of beat, start the pendulum swinging and carefully listen to the tick and tock. Bend the crutch wire in … Most times this happens because the clock is not "in beat". Most modern movements have a self adjusting verge. The pendulum needs to swing exactly equal distances from dead center to the left, as from dead center to the right. If the clock is running fast, turn the pendulum nut counterclockwise to decrease the rate. The Grandfather clock pendulum adjustment is done by turning the nut at the bottom up to speed up the grandfather clock or down to slow the grandfather clock. Move the nut up or down depending if it is slow or fast about a full turn for a minute a day. Dr. Time Presents: Putting Your Clock In BeatDave Dettmann a/k/a Dr. Time shows you how to put a clock in beat. Setting The Beat of the Pendulum Clock. (Practical Clock Repairing, De Carle, p. 77) where T = seconds per beat p = a constant 3.141592654 L = pendulum length in metres g = gravity 9.81 m/s 2. In order to get the wall clock in beat I would hang clock on the wall. If a clock is out of beat, the pendulum will swing for a few minutes, then stop even if the clock case is level. If further adjustment is needed follow the instructions for ADJUSTING MANUAL BEAT CLOCKS. Pendulum clocks with a time adjustment nut (Grandfather clocks, most wall clocks, German mantel clocks, shelf clocks, etc.) ADJUSTING THE BEAT. The normal operation for any pendulum clock with the pendulum swinging is an evenly spaced sound. Some clocks will not run if grossly out of beat. To slow down the clock, loosen the adjustment nut (turn it toward your left). If your clock is ticking away but its a little slow or fast, use this calculator to determine how much to shortern or lengthen the pendulum. What if your clock only runs for ten minutes then stops? Equal time between the TICK and the TOCK. If a clock is out of beat, the pendulum will swing for a few minutes, then stop. You don't have to be too precise on the current length; if you have a fairly close figure, then the needed change will be close too. Use the following rules to adjust the PENDULUM NUT; If the clock is running slow, turn the pendulum nut clockwise to increase the rate.