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Six Degrees of Motion


The VMS has the only large six-axis motion system in the world with independent control of rotations and translations, known as degrees of freedom. The ICAB, with a pilot inside, can be maneuvered in any of the six ways that an aircraft moves, including three translational degrees of freedom (vertical, lateral, and longitudinal) and three rotational degrees of freedom (pitch, roll, and yaw). The pictures below illustrate these six degrees of freedom in aircraft motion.

longitudinal movement

Longitudinal (forward and backward thrust)

vertical movement

Vertical (aircraft moves upward and downward)

lateral movement

Lateral (aircraft moves from side to side)

pitch movement

Pitch (nose pitches up or down)

roll movement

Roll (wings roll up or down)

yaw movement

Yaw (nose moves from side to side)

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Updated: 04/25/2005  Curator: Rod David  Responsible Official: Wayne Momii