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Aerofoil selection for a wing is normally made

  • A.After the structure has been designed
  • B.Only for military aircraft
  • C.Separately for root and tip, then blended
  • D.Once, using a single section across the whole span

Answer: C

A thicker, higher-lift section at the root suits the structural depth available and the loading, while a thinner tip section delays local shock formation and helps stall behaviour. The transition is lofted smoothly between them.

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