Introduction to Stability & Control

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During sideslip, a relative wind flows from right to left: Lateral Static Stability A similar downwash occurs on the left wing, reducing lift Lift As a result, the aircraft rights itself, and recovers from the roll! This wind has a component normal to the wing on the right, viewing from the front This is an upwash. The upwash increases lift on the right wing
Anhedral is bad for lateral stability Anhedral If the wing dips down from root to tip, it has an anhedral
Page 1 and 2: Introduction to Stability & Control
Page 3 and 4: A system is stable if it can recove
Page 5 and 6: Alpha Aircraft is in steady level f
Page 7 and 8: Alpha, Degrees Aircraft may be stat
Page 9 and 10: Nondimensionalization Lift and pitc
Page 11 and 12: How can a Designer Ensure Longitudi
Page 13 and 14: Relaxed Static Stability • For im
Page 15 and 16: Air Transports, Boeing 747-400 Can
Page 17 and 18: Stability and Control Augmentation
Page 19 and 20: Saab Gripen (JAS-39B) Digital Fly-b
Page 21 and 22: Freestream comes from pilot’s rig
Page 23 and 24: Rudders Rudders: B747
Page 25: What happens when the aircraft unde
Page 29 and 30: High/Low Speed Ailerons: B747 Low S
Page 31: …and then it gets complicated

Introduction to Stability & Control

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