OPERATION
MANUAL
Product: Document#: Rev: Page:
MODEL8000GYRO 90141 3 3of11
Section1:SYSTEMOVERVIEW
Seakeeper gyro precession is actively controlled by an electronic controller and a hydraulic brake
throughout each roll cycle so the gyro supplies the maximum anti‐roll torque and does not make
mechanicalcontactwithhardstopsthatlimitthemaximumgimbalangletravelto+/‐60
o
.
There is a large torque about the gimbal axis when the gyro is precessing.
Therefore, the gyro should be housed in a compartment or installed in a cage so
personnelcannotcomeintocontactwiththegyrowhileitisprecessing.Ifitisever
necessary totouch the gyro
while the flywheelis spinning, the Lockbutton on the
Keypad must be depressed to stop the gyro from precessing.Gyro maintenance
should not be attempted unless the gyro is locked and the flywheel has stopped
spinning.
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