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 
ix