Flight and Space

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Across
  1. 2. A measure of the curvature of the airfoil.
  2. 4. The width of an airfoil or wing.
  3. 5. The controlling surface that regulates an aircraft’s roll.
  4. 6. The angle between an aircraft wing and a horizontal line.
  5. 9. Resistance of the air (technically a fluid) against the forward movement of an airplane.
  6. 10. As the speed of a fluid increases, its pressure decreases.
  7. 12. The acute angle between the direction of the relative wind and the chord of an airfoil.
Down
  1. 1. The ratio between the wingspan and average chord of a wing.
  2. 3. The rate of change of velocity with respect to time.
  3. 7. A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion.
  4. 8. The tail assembly of an aircraft, including the horizontal and vertical stabilizers, elevators, and rudder.
  5. 11. The controlling surface that regulates an aircraft’s pitch.