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The Boats of the Early
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Navigational Systems |
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The Bernardis 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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