Lost motion refers to the amount of movement that is not transferred between different parts of the piano action when it is engaged. It is usually because a small gap is present between different components. Because the energy is not transferred, it is referred to as ‘lost’. Function: This space is designed between mechanisms to […]

Key height is the height above the key bed that the key is set to best perform the task of transferring the energy of the player to the hammer. This in turn strikes the string, reed or tine. it is essential for proper regulation of a piano because even key height allows all other parts […]