gyroscope

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gyroscope Symmetrical spinning disc that can adapt any orientation, being mounted in gimbals (a pair of rings with one swinging freely in the other). When a gyroscope is spinning, a change in the orientation of the gimbals does not change the orientation of the spinning wheel. This means that changes in direction of an aircraft or ship can be determined without external references. A gyrostabilizer is used to stablize the roll of a ship or aircraft. See also autopilot

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