Systems - Powerplant (IAE)

Question 1

Engine model and thrust?

Answer 1

IAE V2500
Up to 26,500 lbs / 117 kN

Question 2

How many spools?

Answer 2

2, N1 and N2 (low and high pressure)

Question 3

Number of compressor/turbine stages?

Answer 3

N1 rotor (low pressure spool):
1 x fan then 4 stage low pressure compressor, 5 stage turbine.

N2 rotor (high pressure spool):
10 stage compressor, 2 stage high pressure turbine

Question 4

Number of fuel nozzles?

Answer 4

20

Question 5

Number of FADEC units?

Answer 5

1 x per engine, with 2 channels each

Question 6

EGT Limits, TO/GA, MCT, Staring?

Answer 6

TO/GA:
AEO = 635°C for 5 min
OEI = 635 °

MCT = 610°C

Staring (on ground & in flight) = 635°C

Question 7

Usage/speed restriction of reverse thrust for normal operations?

Answer 7

Max not below 70kt, idle can be used until stopped.