indication systems monitor some of the important engine conditions.
Pressure Ratio (EPR).
- Low Rotor
Speed (N1) shown as percentage of RPM.
- High Rotor
Speed (N2) shown as percentage of RPM.
Gas Temperature (EGT) 'C.
- Fuel Flow
Rate Thousands per hour in lb/hr or kg/hr, some aircraft fuel used.
- Oil Temperature
- Oil Pressure
(PSI) also low oil pressure light.
- Oil Quantity
in quarts, gallons or litres.
- There was
a provision for engine vibration but these have been removed from
most if not all aircraft.