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Lofting in aircraft design refers to

  • A.Selecting the engine
  • B.Defining the external surface geometry
  • C.Lifting the fuselage during assembly
  • D.Estimating the aircraft's weight

Answer: B

Correct answer: Defining the external surface geometry

Lofting is the mathematical definition of the aircraft’s outer mould line - the fuselage cross-sections, the wing surface, the fairings and their blends. The name comes from shipbuilding, where full-size lines were drawn out on the loft floor above the yard. Today it is done with parametric surface models, and the loft is the common reference from which aerodynamics, structural layout, systems routing and tooling all work.

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