text: Stall angle of attack and stall recovery.  . . .  .  . 
  
  HIGH LIFT DEVICES. 
  
  Types of high 
  Plain flap 
  lit flap 
  S 
  S otted flap 
  P 
  Fowler flap 
  Slots and slats 
  Boundary layer control 
  Operation of high lift devices. 
  
  lift devices.,  . 
  
  Flap retraction and extension 
  
  Chan 
  Effect o f  es in lift, drag, and trim 
  power 
  
  DEVELOPMENT OF AERODYNAMIC PITCHING MOMENTS 
  
  . 
  Pressure distribution. 
  Center of pressure and aerodynamic center. 
  Pitching moment coefficient. 
  
  .~.  :  !  .  : 
  
  a: 
  49  .  , 
  
  Effect of camber 
  Effect of flaps 
  Relationship between center of pressure, aerodynamic centet, and 
  moment coefficient 
  
  Application  to longitudinal stability. .  51 
  
  Stability and trim 
  Effect of supersonic flow 
  
  vi 