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How does an airplane gyroscope work?


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Wiki User
2014-11-16 18:58:03
2014-11-16 18:58:03

A gyroscope in an airplane is firstly a gyroscope, so it works by maintaining its orientation in space. The instruments in an airplane that use a gyroscope are the attitude indicator, the heading indicator and the turn coordinator. The attitude indicator and heading indicator's gyroscope runs when the vacuum pump on the airplane sucks air in and over the blades to cause the gyroscope to spin. When the gyro spins rapidly (up to 18000rpm) it aligns itself upright and the airplane's instrument aligns itself.

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Gyroscope are used in airplanes for flight attitude instruments, auto pilots and navigation. they maintain a constant attitude regardless of the pitch,roll,or heading of the airplane. They maintain a constant attitude regardless of the pitch,roll,or heading it is making.The heart of the gyroscope is a heavy wheel which is rotated at very high speed, either by an electric motor or by an air jet directed on to cups formed around the edge of the wheel. The wheel behaves like a child`s top in that it in effect stands upright all the time. Unlike a top though, it does not eventually slow down and fall over as it is being continually driven and the instrument pointers or sensors are moved by the change in relationship between the airplane instrument or equipment frame and the wheel by links or gears.


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