Illustration of a Wind Turbine Blade

  1. Root
  2. Windward (also known as the pressure side)
  3. Trailing edge
  4. Profile
  5. Leading edge
  6. Leeward (also known as the suction side)
  7. Pitch axis
  8. Tip
  9. Centreline
  10. Torsion / Pitch
  11. Edge Direction
  12. Flap Direction