Pianos

Piano

     A large keyboard musical instrument playe using a keyboard, which is a row of keys that the performer presses down or strikes with the fingers and thumbs of both hands.

How does Piano makes sound :

            A piano sounds quite unlike any other instrument. The confusing thing about a piano is that it's two different kinds of instrument in one. Its a string instrument, because the sounds are made with strings, but it also a percussion instrument because the strings make sounds when some thing hits them. Listen to the music of a composer.

                         Image result for what is a piano
        when pressing the key of paiano the is actually a wooden lever, a bit like a seesaw but much longer at one end than at the other. When you press down on a key, the opposite end of the lever jumps up in the air, forcing a small felt covered hammer to press against the piano strings, making a muscial note. At the same time at the extreme end of the lever behind the hammer, another mechanical part called a damper is also forced up into the air.

Working Condition Of Piano

When a piano key is pressed down, its tail pivots upward and lifts a lever that throws a hammer against the strings for that key's note. At the same time a damper is raised from these strings, allowing them to vibrate more freely. 

The piano key (1) is a lever that pivots on a balance pin (2). When the player depresses the key, the tail rises and the capstan screw (3) in the key pushes up the whippen (4), which is hinged. The free end of the whippen rises, taking with it an L-shaped piece called the jack, or escapement lever (5), and the repetition lever (9).
                      
                                      The jack pushes the knuckle, or roller (6), a roll of felt that is fixed to the hammer shank (7); thehammer thus rises. The jack's upward motion is stopped when its protruding end hits the regulating button (8). The hammer flies up away from the jack and strikes the appropriate strings. The repetition lever (9) also rises, but only until the end where the jack passes through it and touches the drop screw (10); this lever stays raised until the key is released.

The hammer falls back, but only partway. It is stopped by the knuckle (6) hitting the raised repetition lever (9). The jack (5) can thus slip back under the partially raised hammer shank and into its original position. At the same time, the backcheck (11) keeps the hammer from into its original position. At the same time, the backcheck (11) keeps the hammer from rebounding against the strings.

 If the key is partly released, the hammer moves free of the backcheck, and the repetition lever stays raised. If the player again depresses the partially released key, the jack (5) can once more push the knuckle (6) and hammer shank (7) upward. (This system allows rapid repetition of notes before the key and hammer have time to return to their original positions. It was an important improvement over early, simpler piano actions.

Finally here is a brief explanation about how does about piano sounds and how does piano and working condition of piano.




















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