Pedal

When pedal ( neo-Latin vocabulary from pedalis = " belonging to the foot " ) can refer to any mechanical device, in principle, to be operated with the foot (see for the manual operation also Manual).

Particularly common are pedals in the following areas:

Music

In musical instruments, the term is used for the pedal of organs and other keyboard instruments since the 16th century. Today, two different types occur: as a single pedal or in the form of complete keyboards.

Individual pedals

  • The piano and the vibraphone serve them to the highest sonic quality
  • Harpsi pedals are used to change the register
  • When the pedal harp pedals are operated for rapid tuning the strings to one or two semitones during the game
  • When the pedal timpani will affect the pitch by changing the tension of the skin is changed

Full keyboards

Full keyboards for your feet can be found in organs and formerly at the harpsichord, clavichord and wings, see pedal (organ).

Technology

  • When the car fußgesteuerten lever for clutch, brake and gas.
  • When cycling, the term has prevailed for the apparatus for transmitting power from the feet. But here he describes only the parts that serve as supports for the feet, see pedal ( bike).
  • Pedal boat, the term as well as the bicycle, the device for transmitting power from the feet.
  • When aircraft the rudder is with two located in the footwell of the cockpit pedals controlled. Here, this is deflected in the direction of the pressed pedal, while the opposite pedal - due to mechanical coupling - moved counter to the direction of flight to the pilot. Moreover, the tilting of a single pedal causes many aircraft braking the wheels on each main landing gear. Because said tilting movement usually happens at the top of the pedals using the toes of the human foot, this variation of the braking operation is also called Toebrake. But there are also aircraft type, in which the wheel brakes are actuated by separate pedals ( eg Piper J- 3 Cub ).
  • The vertical axis controls - When the helicopter is equipped with two located in the footwell of the cockpit pedals in general - like an airplane. The implementation depends on the particular configuration of the helicopter. In the classic tail rotor configuration, therefore, is with the pedals ( here engl. Anti torque pedal ) adjusted the thrust of the tail rotor indirectly via adjustment of the collective setting angle.
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