Retreating blade stall

Definitions

• A stall that begins at or near the tip of a blade in a helicopter because of the high angles of attack required to compensate for dissymmetry of lift.
• A stall that begins at or near the tip of a blade in a helicopter because of the high angles of attack required to compensate for dissymmetry of lift. In a gyroplane the stall occurs at 20 to 40 percent outboard from the hub.

References

• Helicopter Flying Handbook, Federal Aviation Administration, 2019
• Rotorcraft Flying Handbook, Federal Aviation Administration, 2000