Discussion
Consider the following statements about unconventional configurations:
1. Historical regressions offer little guidance for them.
2. Physics-based estimation carries greater uncertainty than regression for conventional types.
3. Technical merit alone is sufficient to secure investment.
Which of the statements given above is or are correct?
Answer: B
Correct answer: 1 and 2 only
Statements 1 and 2 are correct and together describe the real difficulty of unconventional work: the statistical shortcut is unavailable, and the physics-based estimate that replaces it is less certain than a regression would have been for a conventional aircraft. Statement 3 is wrong. Investment follows commercial and risk judgements as much as technical merit, and many technically sound unconventional configurations have never been funded.
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