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The name comes from the Greek γύρος ( gyros, 'circle' or 'turn'). It is a calque of the Turkish döner, from dönmek, also meaning "turn". [7] In Athens and other parts of southern Greece, the skewered meat dish elsewhere called souvlaki is known as kalamaki, while souvlaki is a term used generally for gyros, and similar dishes. [8]
A modern, closed-cabin, pusher-propeller autogyro in flight. An autogyro (from Greek αὐτός and γύρος, "self-turning"), or gyroplane, is a class of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. While similar to a helicopter rotor in appearance, the autogyro's unpowered rotor disc must have air flowing ...
A gyroscope. A gyroscope in operation, showing the freedom of rotation in all three axes. The rotor will maintain its spin axis direction regardless of the orientation of the outer frame. A gyroscope (from Ancient Greek γῦρος gŷros, "round" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation ...
Honda Gyro X, base model. This first Gyro was introduced in October 1982. It has front and rear tie-down racks, small low-pressure tires combined with a limited slip differential for good performance on slick surfaces like snow and mud, and a "one push" parking brake. 135,226 were sold by May 2002.
Eurocopter EC 225. Eurocopter EC 635. Eurocopter EC 725. Eurocopter Ecureuil. Eurocopter Fennec. Eurocopter Panther. Eurocopter Super Puma. Eurocopter Tiger. Eurocopter UH-72 Lakota.
Design. Inertial navigation is a self-contained navigation technique in which measurements provided by accelerometers and gyroscopes are used to track the position and orientation of an object relative to a known starting point, orientation and velocity. Inertial measurement units (IMUs) typically contain three orthogonal rate-gyroscopes and ...
A control moment gyroscope ( CMG) is an attitude control device generally used in spacecraft attitude control systems. A CMG consists of a spinning rotor and one or more motorized gimbals that tilt the rotor’s angular momentum. As the rotor tilts, the changing angular momentum causes a gyroscopic torque that rotates the spacecraft.
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