A hypothetical wing has a -/+ 5-degree trapezoidal hi-aspect cord and the main spar has a similar 5-degree taper past the landing gear attachment point. The rear spar is full length and tapered forward 5-degrees. Unidirectional carbon fiber is selected, as is a +45/-45/+45/-45 orientation. But is that 45-degree orientation based on the main spar or the airflow?
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