Lateral Stability (Rolling)

[Ref. Pilot’s Handbook of Aeronautical Knowledge, FAA-H-8083-25B Page 5-17]

Lateral Stability (Rolling)
– about longitudinal axis
– restore to its original flight attitude.


4 main design factors of lateral stability :

  1. Dihedral
  2. Sweepback   (Lateral stability > Directional stability)
  3. Wing location
  4. Weight distribution (keel effect )

 

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# Directional stability > Lateral stability

# Lateral stability > Directional stability

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