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7 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The very thin layer of air lying over the surface of the wing is called |
The Boundary |
Transition Boundary Turbulent Laminar |
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Conventional Airfoils are generally ticket at ___ % of the cord. |
25% |
15% 25% 50% 60% |
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Laminar flow airfoils reduce drag by maintaining the_______________flow of air throughout a greater percentage of the___________ |
Laminar, Chord |
Turbulent, Chord Turbulent, Span Laminar, Chord Laminar, Span |
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Aspect Ratio is calculated by: |
Dividing the span by the average cord. |
Dividing the span by the average cord. Dividing the average cord by the span. Dividing the weight by the coefficient of lift. Dividing the weight by the coefficient of drag. |
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Decreasing the angle of incidence at the wing tip is called: |
Wash-Out |
Wash-In Wash-Up Wash-Out Wash-Down |
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Which of the following is not a wing tip modification designed to increase lift/reduce drag? |
Wing fences |
Wing-tip fuel tanks Winglets Drooping the wingtips Wing fences |
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Auxiliary airfoils that move out in front of the leading edge at high angles of attack are called? |
Slats |
Slats Flaps Wing fences Slots |
