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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*am 
87 
87 
91 
;: 
92 
96 
$6 
97 
99 
101 
101 
104 
104 
104 
104 
106 
106 
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109 
116