![]() ![]() The period of a pendulum is the time it takes to go from one side to the other and back again. They are a weight at the end of a string or pole, with a pivot at the opposite end of the weight. This allows the energy of the weight to be spread over a period of time so you are not winding the clock every 2 minutes. The pendulum swings back and forth moving the escapement lever in and out of the escape gear, causing the gear to stop spinning. The escapement is built out of the escape gear, escape lever, and the pendulum. This escape mechanism also creates the "Tick Tock" that you hear from clocks. ![]() From the word escape, it allows the energy of the weight to escape in a slow manner, as to not use up the energy at once. We need some way to allow this energy to escape slowly. If it is placed on the hour hand, you can easily get by with winding once a day. The farther down on the gear train, the slower it will unwind. You want it farther down the gear train so you aren't winding the clock every 4 hours. Placement of the weight and cord is a little critical. This isn't very practical unless you want to pretend you are in a time machine. If this was just the weight and gears, when the weight was released, the gears would spin for a few seconds and the weight would hit the floor. As it pulls down, it rotates the gears causing the minute and hour hands to rotate. The weight is wound around one of the axles. It uses a weight as the energy source, and a pendulum to regulate how fast this energy escapes. ![]() These have been in existance since the mid 1600's. The clock I have designed is a basic pendulum clock. ![]()
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