The pins are in a pinblock which has to withstand many tons of tension, up to 20 tons on a larger grand piano. The strings vibrate at different pitches, they are each tightened to a particular tension to give pitch which is achieved by turning the tuning pins. I haven’t been able to show the dampers here because the celeste rail is in the way. There are dampers sat on the strings which lift off allowing the strings to vibrate, when the key is released the damper goes back on the string to stop the sound. To make a piano sound, we press the keys which are themselves sat in a key bed, these in turn activate the action to push the hammers to hit the strings. Once again, apologies about the handwriting, I have tried using a different ‘pen’ which I hope has made it a bit neater… Here’s the followup naming some of the inner parts of an upright piano. Last month the post named the outer parts of the cabinet of an upright piano.
I hope you have had a good start to the year.
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