![]() While the cuckoo is calling, you’ll notice that the right weight descends fairly quickly to power the animation. On the left and right walls, about a third from the roof and near the back, are two sizeable holes for the bellows to release their sound. Behind the chains is the pendulum, which hooks onto a bottom loop from the movement, and the night shut-off knob is to the left of the chains. It’s a one-day movement, so the clock needs to be hung about 1.8 metres off the floor to get the full 24 hours. The first and third chain have hooks for the metal weights, which look like black fir tree cones, and the second and fourth are pulled to wind them back up. Underneath, in front of the pendulum, are four holes where the stainless steel chains descend from the movement. Many clocks have a night-time shutoff, which silences the bird either by a switch on the side or a push/pull mechanism at the bottom (some even have light-sensing switches). The pendulum has a counterweight near the bottom that can be moved up or down to adjust the timekeeping – up makes it faster, down makes it slower. Winding is achieved by pulling the adjacent chains to return the weights to the bottom of the clock. Eight-day clocks are the same but can endure for eight days, while music/animated clocks have three weights. One-day clocks have two weights and chains long enough for a 24-hour descent before hitting the floor. Unlike a watch with a mainspring and balance wheel, hanging weights and a pendulum power most cuckoo clocks (there are exceptions for tabletop clocks). There are four types of movements/clocks, broken up into two main categories: one-day and eight-day, with or without music (and twirling figures like dancers, bell ringers, etc.). Original clocks had wooden gears, but modern movements are brass and relatively unchanged for over a century. A typical view of the Black Forest region, Baden-Württemberg in southwest Germany – source: Wikimedia Although intricate clocks existed prior to this, with animated dancers and such, Ketterer’s was the first with twin bellows to create the familiar cuckoo call coupled with a carved wooden bird. A handful of other descriptions appeared in handbooks and illustrations, but it was German clockmaker Franz Anton Ketterer who made the first official German cuckoo clock in the village of Schonwald. In 1629, a description of a “coo coo clock” was attributed to Prince Elector August von Sachsen by a German nobleman. The origins of clockmaking in the Black Forest are a bit murky but go back to the mid-17 th century. BackgroundĪ mountainous region in southwest Germany (bordering France) is known as the Black Forest, densely populated with a variety of tree species and open pastures offering panoramic views. Specifically, a walnut bird house model from clockmaker Rombach & Haas, established in 1894. So, let’s take a look at one of the most famous clock styles from the Black Forest region of Germany – the mechanical cuckoo clock. In the same vein, we also dip our toes into the world of mechanical clocks, covering haute horology pieces like the creature-inspired MB&F TriPod Table Clock and futuristic De Bethune x Dream Watch 6. The vast majority of what we cover are mechanical wristwatches, although every now and then we’ll highlight something intriguing like the quartz Citizen Calibre 0100 with an accuracy of +/- 1 second per year. They have to be connected to one another somewhere though.Monochrome is all about watches, of course. I am starting to see that the movements have 2 seperate functions, one to drive the Cuckoo sounds and bird, and one to keep time. With my limited knowledge I will wait to see what you guys say before touching it any more. I am guessing that the minute hand is driving 2 gears, one to drive the Cuckoo part, and it gets driven by another gear in the time part of the movement that must not be engaging it. It feels like the time part of the movement is not driving it. It just stays wherever I stop turning it. It sets off the Cuckoo part as it goes around but it does not move around to keep time. The minute hand spins around like it is not turning anything inside. I have never had any of the movements I have fooled with have a problem like this. Hi again guys, this is the first Hurbert Herr Cuckoo clock I have worked on but it pretty much looks like the Regula movements. ![]()
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