OnACanonArticle

A control momentum gyroscope, abbreviated to CMG was a type of highly sensitive gyroscope utilized in starship gyrocomputers. CMGs consisted of a spinning rotor, mounted to one or more tilting gimbals and placed inside a frame that was fixed parallel to the starship's "horizontal" position relative to a planet's terrain. When the starship changed position in either of its axis, the gyroscope would maintain the same plane and tilt, changing its angular momentum and causing a gyroscopic torque. Data from the CMGs' movement was then fed to specialized sensors in the gyrocomputer's exterior to assist the main navigation computer's function.[1]

Behind the scenes

Control momentum gyroscopes were first mentioned in current Star Wars canon in the twenty-fifth issue of De Agostini's Star Wars: Build the Millennium Falcon magazine,[1] published around June 24, 2015. The same issue also featured a diagram of their function.[2]

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