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The Stall
The Stall
A condition of an aerofoil or aircraft when the airflow is so obstructed
that lift is lost
What we are going to look at
What we are going to look at
1. What is happening to our glider at the stall / why it is happening
What we are going to look at
1. What is happening to our glider at the stall / why it is happening
2. The telltale signs or clues
What we are going to look at
1. What is happening to our glider at the stall / why it is happening
2. The telltale signs or clues
3. Finally, how to recover to normal flight condition
The Stall
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The Stall
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The Stall
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The Stall
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The Stall
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Symtoms of the approaching stall
• Nose above the normal attitude
Symtoms of the approaching stall
• Nose above the normal attitude
• Airspeed slow and reducing
Symtoms of the approaching stall
• Nose above the normal attitude
• Airspeed slow and reducing
• Air noise changes
Symtoms of the approaching stall
• Nose above the normal attitude
• Airspeed slow and reducing
• Air noise changes
• Ailerons become effected
Symtoms of the approaching stall
• Nose above the normal attitude
• Airspeed slow and reducing
• Air noise changes
• Ailerons become effected
• Glider buffets
Symtoms of the approaching stall
• Nose above the normal attitude
• Airspeed slow and reducing
• Air noise changes
• Ailerons become effected
• Glider buffets
Elevator will not raise the nose
The recovery
The recovery
• Ease stick forwards
The recovery
• Ease stick forwards
• Regain flying speed
The recovery
• Ease stick forwards
• Regain flying speed
• Return to normal flying attitude
Unaccelerated stall
Unaccelerated stall
Mushing stall
Mushing stall
