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Tooling cost in a parametric model is most sensitive to

  • A.Wing loading
  • B.The number of crew
  • C.Production rate and weight
  • D.Range and payload

Answer: C

Correct answer: Production rate and weight

Tooling cost in a parametric model is driven by the size of the article to be tooled - hence weight - and by the production rate, which determines how many sets of jigs, fixtures and moulds are needed and how they must be built.

A programme building two aircraft a month can work with fewer, simpler tools than one building twenty, where parallel tooling and higher rates of automation are required. Wing loading, crew complement, range and payload affect tooling only through their influence on the size and complexity of the structure.

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