TM55-2840-251-23
GLOSSARY
Section I ABBREVIATIONS
A
Amperes
AC
Alternating Current
AR
As Required.
CW
Clockwise
CCW
Counterclockwise
DC
Direct Current
gal
Gallon
hr
Hour
in
Inch
ITT
Interturbine Temperature
MAX.
Maximum
MIN.
Minimum
Nf
Power Turbine Speed
Ng
Compressor Turbine Speed
Np
Propeller Shaft Speed
Ns
Output Shaft Speed
°C
Degrees Celsius
°F
Degrees Fahrenheit
Pa
Ambient Pressure, Barometric
Po
Returned Fuel to Pump Inlet
ppm
Parts per Million
PSI
Pounds per Square Inch
PSIA
Pounds per Square Inch,
Absolute
PSIG
Pound per Square Inch, Gage
Px
Acceleration and Enrichment
Pressure
Py
Governor Pressure
P1
Fuel Pressure at Pump
P2
Metered Fuel Pressure
P2.5
Interstage Compressed Air
Pressure
P3
Compressor Discharge Air
Pressure
RPM
Revolutions per Minute
SFC
Specific Fuel Consumption
SHP
Shaft Horsepower
T1
Air Inlet Temperature
V
Volts
Wf
Fuel Flow
G-1/(G-2 blank)