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gyroscope |
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gyroscopeMechanical instrument, used as a stabilizing device and consisting, in its simplest form, of a heavy wheel mounted on an axis. The direction of the axis is stable; if it is displaced, the gyroscope tends to resist the change. Applications of the gyroscope principle include the gyrocompass, the autopilot for automatic control of an aircraft, and gyro-directed torpedoes. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Occupying a critically important space between its ancestral roots (the primitive lodestone) and its late 20th-century descendents (the gyrocompass and GPS technology), the magnetic compass, born of the need for a reliable means of negotiating treacherous sea routes around the globe, has been an indispensable sailor's guide. On 21 March 1919, a gyrocompass developed for the Navy was tested in an aircraft, marking the first recorded instance of tests of a device that would become an invaluable navigational instrument for long-range flight. Unlike a conventional gyrocompass that typically must operate for an hour or more before it can provide useful information, the GPS compass is usually ready for use in less than five minutes. |
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