NAVWEPS OO-EOT-80  TABLE OF CONTENTS  vi  DEVELOPMENT OF AERODYNAMIC PITCHING MOMENTS  Interpretation of the lift equation..  .  . . . . . .  .  Lift cocfficicnt versus angle of attack  Stall speed and angle of attack  Angle of attack versus velocity  Primary control of airspeed  . . _ . . . _ .  mrfou un cnacactectsucs.  . .  .  Section angle of attack and lift coefficient  Ty ical section chvactctistics  E&t  of thickness and cambet  Drag characteristics,  .  . .  . . . .  :.  Drag equation  Drag cocficicnt versus angle of attack  Lift-drag ratio  Power-off glide pctformancc  Airfoil drag chanwteristics..  )  . . .  Section drag cocfficicnt  Ty ical section characteristics  E 2 ect of thickness and cunbcr  Low drag sections  FLIGHT  AT HIGH  LIFT CONDITIONS.  . .  . . .  . .  StaII  speeds.  .  . . . . .  . .  .,.  . . . . . .  Maximum lift cc&cicnt  Stall angle of attack  ..,e  *  . .  ~lrecrorwergnt....................................................  Effect of maneuvering flight,.  .  Load factor ~ets~s  bank angle  Stall spad versus load factor  Effect of high lift devices.,  .  Effect on stall speed  Stall angle of attack and stall recovery. . . .  .  .  HIGH  LIFT DEVICES.  Types of high lift devices.,  .  Plain flap  S  S otted flap  P  lit flap  Fowler flap  Slots and slats  Boundary layer control  Operation of high lift devices.  Flap retraction and extension  Chan  Effect o f  es in lift, drag, and trim  power  PW  23  27  29  33  35  3.5  ::  37  39  39  41  43  Pressure distribution.  .~.  :  .  !  .  :  Center of pressure and aerodynamic center.  Pitching moment coefficient.  .  ,  Effect of camber  Effect of flaps  Relationship between center of pressure, aerodynamic centet, and  moment coefficient  Application to longitudinal stability. .  Stability and trim  Effect of supersonic  flow  a:  49  51 