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The ship gyroscopic stabilizer typically operates by constraining the gyroscope's roll axis and allowing it to "precess" either in the pitch or the yaw axes. Allowing it to precess as the ship rolls causes its spinning rotor to generate a counteracting roll stabilizing moment to that generated by the waves on the ship's hull.
A Gyroscopic stabilizer is a control system that reduces tilting movement of a ship or aircraft. It senses orientation using a small gyroscope, and counteracts rotation by adjusting control surfaces or by applying force to a large gyroscope. It can be:
In 1915 the gyroscopic stabilizer was mounted on US destroyer USS Worden (DD-16). [4] The World War I transport USS Henderson , completed in 1917, was the first large ship with gyro stabilizers. It had two 25-ton (23 t), 9-foot (2.7 m) diameter flywheels mounted near the center of the ship, spun at 1100 RPM by 75 HP AC motors.
Gyro stabilizers consist of a spinning flywheel and gyroscopic precession that imposes boat-righting torque on the hull structure. The angular momentum of the gyro's flywheel is a measure of the extent to which the flywheel will continue to rotate about its axis unless acted upon by an external torque. The higher the angular momentum, the ...
The benefit of this gyroscopic motion is that it counteracts the missile's undesirable tendency to rotate about its central axis, dynamically stabilizing its flight. [7] In addition to stabilizing against roll , a similar effect can also be provided for yaw and pitch as well.
The gyroscopic stabilizer idea was later developed further by the US American inventor Elmer Ambrose Sperry but this system could hold the ship at an extreme angle for prolonged periods. [3] By the time these stabilizers were abandoned, gyroscopes had already found their place in ship navigation as gyrocompasses and in control systems.
The recalled gyro kits have a use by date of 12/24/2024 through 1/6/2025, which means that many people probably still have the product in their fridge. The kits include gyro meat, pitas, tzatziki ...
While the SeaKeeper 1000 was active, the National Oceanic and Atmospheric Administration and the U.S. National Weather Service utilized the SeaKeeper 1000 on many of their NOAA vessels to better monitor oceanographic changes. [2] The International SeaKeepers Society discontinued the SeaKeeper 1000 in October 2013.
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