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Which of these is NOT a purpose of computing moments of inertia?

  • A.Supporting handling qualities analysis
  • B.Supporting flutter analysis
  • C.Predicting roll and pitch response rates
  • D.Determining maximum take-off weight

Answer: D

Correct answer: Determining maximum take-off weight

Moments of inertia describe how mass is distributed about the axes, and so govern how quickly the aircraft responds in roll and pitch, how it behaves in a handling qualities assessment, and where its structural modes lie for flutter analysis. Maximum take-off weight is a matter of structural strength and performance, and follows from mass alone, not from its distribution.

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