NAWEPS 00-801-80
TABLE OF CONTENTS
Supersonic engine inlets. . 238
Internal and external comprcsrion inlets
Inlet performance and powerplant matching
Supersonic configurations. 240
AERODYNAMIC HEATING. 242
Ram temperature rise.. _. 242
Effect on structural materials and powerplant performance. 242
CHAPTER 4. STABILITY AND CONTROL
DEFINITIONS
STATIC STABIL .ITY. ...............................................
DYNAMIC STAB1 ‘LITY ....................................
TRIM AND CONTROLLABI ,LITY ..........................
AIRPLANE REFERENCE AXES. ...........................
LONGITUDINAL STABILITY AND CONTROL
STATIC LONGITUDINAL STABILITY. .........................
Generalconsiderations:. .. :,_~. ...... . .... . ............... .:..1... ...
Contribution of the component surfaces ..............................
Wing
Fuselage and nacelles
Horizontal tail
Power-off stability. ..................................................
Powereffects .......................................................
Control force stability. .............................................
Maneuveringstability ...............................................
Tailoring control forces. ...........................................
LONGITUDINAL CONTROL. ....................................
Maneuvering control requirement. ..................................
Takeoff control requirement. .......................................
Landing control requirement. .......................................
LONGITUDINAL DYNAMIC STABILITY. .....................
Phugoid ...........................................................
Short period motions ...............................................
MODERN CONTROL SYSTEMS. .................................
Conventional
Boosted
Power operated
DIRECTIONAL STABILITY AND CONTROL
DIRECTIONAL STABILITY. ......................................
Defimtuxu ....................................................... ...
Contribution of the airplane components ............................
Vertical tail
Wing
Fuselage and nacelles
Power effects
.. Crawal conditions. ................................................
DIRECTIONAL CONTROL ....................... >. ...............
Directional control requirements. .................. ................
Adverseyaw .......................................................
-25’0.
NAVWEPS 00-BOT-80
TABLE OF CONTENTS
Spinrecovety..; ...................................................
Slipstream rotatmn. ................................................
Cross wind takeoff and landing. ...................................
Asymmetrical power. ...............................................
LATERAL STABILITY AND CONTROL
LATERAL STABILITY, ...........................................
Definlttons ...........................................................
CONTRIBUTION OF THE AIRPLANE COMPONENTS.
Wing.........~.........~
Fuselage and wmg powton, ...................................................................................
Sweepback .........................................................
Vertical tail. ........................................................
LATERAL DYNAMIC EFFECTS, ................................
Directional divergence
Spiral divergence
Dutch roll
CONTROL IN ROLL ..............................................
. . Rolhsg motmn of an airplane. ......................................
Roliing performance, ..............................................
Critical requirements. ..............................................
MISCELLANEOUS STABILITY PROBLEMS
LANDING GEAR CONFIGURATIONS .........................
Tail wheel type
Tricyde type
Bicycle type
SPINS AND PROBLEMS OF SPIN RECOVERY ................
Principal prospin moments
Fundamental principle of recovery
Effect of configuration
PITCH-UP., .........................................................
Definition
Contribution of the airplane components
EFFECTS OF HIGH MACH NUMBER..
Longitudinal stability and control
Directional stability
Dynamic stability and damping
PILOT INDUCED OSCILLATIONS.. _.
Pilot.control system-airplane coupling
High q aed low stick force stability
ROLL COUPLING.
Inertia and aerodynamic coupling
Inertia and wind axes
Natural pitch, yaw, and coupled pitch-yaw frequencies
Critical roll rates
Autorotative rolling
Operating limitations
HELICOPTER STABILITY AND CONTROL.
Rotor gyroscopic effects
Cyclic and collective pitch
Lon
itudinal, lateral, and directional control
Ang e of attack and velocity stability
Dynamic stability