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The vertical stabilizer is to provide additional anti torque force to the fuselage once the aircraft has forward motion and airflow across the lifting surface. The design makes use of forward motion and the resulting airflow to create an anti torq...
Vertical CG Envelope. The position of the Vertical CG of the aircraft has an impact on both: longitudinal and lateral stability. â¢ Longitudinal Mainly, static stability is affected. A center of gravity elevation at constant longitudinal position is expected to decrease the static stability in climb.