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A rolling pull-out is a demanding load case because it combines

  • A.Zero lift with maximum thrust
  • B.Cabin pressurisation with ground loads
  • C.Engine failure with a landing impact
  • D.A symmetric load factor with a rolling load

Answer: D

Superimposing roll on a high-g pull raises the load on the down-going wing well above the symmetric value, and the aileron loads and wing torsion rise with it. It is one of the cases that most often sizes the outer wing and the aileron attachments.

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