NAVWEPS 00-801-80
TABLE OF CPNTENTS
PARASITE DRAG.
Sources of parasite drag. .
Parasite drag coefficient.. . . .
Parasite and induced drag.
Mi.li$z’.?1 p”‘““ite dr2g CxEciczt
Airplane efficiency factor
Equivalent parasite area
Effect of configuration.
Effect of altitude.,
Effectofspeed......................................................
AIRPLANE TOTAL DRAG..
Drag variation with speed
Induced and parasite drag
Stall speed
Minimum drag
Specific performance conditions
Compressibility drag rise
CHAPTER 2. AIRPLANE PERFORMANCE
REQUIRED THRUST AND POWER
DEFINITIONS.
Pan&e 14 ;n&Ced drw _ _.-__._ _._- _- Thrustandpowerrequir~~:::::::::::::::::::::::::::::::::::::::::
VARIATION OF THRUST AND POWER REQUIRED
Effect of gross weight.
Effect of configuratmn.
Effect of altitude.
AVAILABLE THRUST AND POWER
PRINCIPLES OF PROPULSION.
Mass flow, velocity change, momentum change..
Newton’s laws,
Wastedpower...............................:.....................
Power available.
Propulsion efficiency.
TURBOJET ENGINES
Operatingcycle....................................................
Function of the components.
Inlet or diffuser
Compressor
Combustion chamber
Turbine
Exhaust nozzle
Turbojet operating characteristics.. :_
Thrust and power available
Effect of velocity
Effect of engine speed
Specific fuel consumption
Effect of altitude
Governing apparatus
Steady state, acceleration, deceleration
Instrumentation
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NAVWEPS 00-SOT-80
TABLE OF CONTENTS
Pam
Turbojet operating limitations 124
Exhaust gas temperature
b&pr~$or stall or surge
Compressor inlet air temperature
Engine speed
Time limitations
Thrust augmentation. 129
Afterburner
Water injection
The gas turbine-propeller combination. 132
Equivalent shaft horsepower
Governing requirements
Operating limitations
performance characteristics
THE RECIPROCATING ENGINE, 135
Operating chatacterlsucs. . . 135
Operating cycle
Brake horsepower
Torque, RPM, and BMEP
Normal combustion
Preignition and detonation
Fuel qualities
Specific fuel consum tion
Effect of altitude an supercharging 8
Effect of humidity
Operating limitations. 144
Detonation and preignition
Water injection
Time limitations
Reciprocating loads
AIRCRAFT PROPELLERS
Operating characteristics, 145
Flow patterns
Propulsive cficiency
Powerplant matching
Governing and feathering
Operating limitations.. 148
ITEMS OF AIRPLANE PERFORMANCE
STRAIGHT AND LEVEL FLIGHT. 150
Equilibrium conditions
Thrust and power required
Thrust and powec available
Maximum and minimum speed
CLIMB PERFORMANCE. 150
Steady and transient climb. 150
Forces acting on the airplane
Climb angle and obstacle clcarancc
Rate of climb, primary control of altitude
Propeller and jet aircraft
Climb performance. 156
Effect of weight and altitude
Descending flight
NAWEPS 00-801-8~
TABLE OF CONTENTS
RANGE PERFORMANCE. :;
General range performance. 158
Specific range, v&city, fuel flbw
Specific endurance
Cruise control and total range
Range, propeller driven airplanes. 160
Aerodynamic conditions
Effect of weight and altitude
Reciprocating and turboprop airplanes
Range, turbojet airplanes. :. 164
Aerodynamic conditions
Effect of weight and altitude
Constant altitude and cruise-climb profiles
Effect of wind oh ‘PY~C........,.................................... 168
ENDURANCE PERFORMANCE. 170
General endurance performance.. :. . 170
Spxific cndurancc, velocity, fuel flow
Effect of altitude op endurance, : . . . . . . 170
Propcllcr driven airplanes
Turbojet aitplaocs
OFF-OPTIMUM RANGE AND ENDURANCE. 172
Reciprocating powered airplane.. 172
Turboprop powered airplane, , . . . 173
Turbojet powered airplane... . . I.. . 175
MANEUVERING PERFORMANCE. 176
Relationships of turning flight. . . . . . . 176
Steady turn, bank angle and load factor
Induced drag
Turning performance.. . . 178
Tom radius and turn rate
Effect of bank aaglc and velocity
Tactical performance, . 178
Maximum lift
FhZZF%3:~2:; pfOt”l~“CC
TAKEOFF AND LANDING PERFORMANCE.. .~, 1132
Relationships of accelerated motion. . 182
Acceleration, vclocit distance
Uniform and nonum arm acceleration ,J
Takeoff performance.. . . . 164
Forces acting on the airplane
Accelerated motion
Factors of technique
Factors affecting takeo# performance. . 187
Effect of gross weight
Rffcct of wind
Effect of runway slope
F’qxt takeoff vcloclty.
Effect of altitude and tempcraturc
Handbook data