How cuckoo clock music is supposed to work
Below you can watch a movie ( visit our YouTube channel! ) with a cuckoo music box functioning properly. Sometimes minor adjustments need to be made to the two arms connecting the clock mechanism to the music mechanism. As you watch the video, pay attention to the two black arms that reach in from the left side. One on top and one in the middle (touching the spinning fan-fly or governor). In the first part of the video you see one cuckoo call and music right away. The second part shows how the music mechanism is first started by the cuckoo mechanism, held while the cuckoo calls, and then released to allow it to play. The thicker, black metal arm on top unlatches the music drum and the music mechanism so that the drum starts to turn. It is abruptly stopped however by the second, thinner wire that touches the brass fan-fly. This stopping wire remains in place until the cuckoo bird has finished its call. If this second wire didn't stop the fan-fly from spinning, the music would play ...