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The Boats of the
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Navigational Systems |
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The Bragadin were equipped with a gyrocompass with repeaters installed in
various compartments. There was also a magnetic compass.
The gyrocompass received its directive from a high speed spinning gyroscope
driven by electric motors. Its directive action is based on the mechanical
laws governing the dynamics of rotating bodies. When any object is spinning
rapidly it tends to keep its axis pointed in the same direction. The
gyrocompass consists of a spinning gyroscope, made north-seeking by placing
a weight below the axis, which is mounted in gimbals so that the movements
of the submarine do not effect its position. A dial mechanically connected
to the gyrocompass has the points of the mariner's compass marked on it and
indicates the submarine's true course. |
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