CIVIL JET AIRCRAFT DESIGN

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Appendices
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Data B : Engine Data File : CFMI and IAE (International Aero. Engines)

CFM International (CFMI) is a joint venture company between. General Electric (USA) and Snecma (France) formed in 1974 to provide a customer interface for the CFM56 engine programme, This range of engines covers a thrust range of 82 to 151kN and is suitable to power the mid-size, twins (typically B737 and A320). There are several feeder version of this engine with the CFM56-7 been the latest. It was initially certified in 1996/7) and selected for the new B737 series.

International Aero Engines (IAE) involves a joint venture between four companies (P&W, RR, MTU and JAE). This company manages and markets the V2500 range of engines in the 97 to 147kN thrust range. These power the A320 and MD90 series of aircraft.

Download Excel File

Company

CFMI

CFMI

CFMI

CFMI

IAE

IAE

IAE

IAE

Engine Type

CFM 56

CFM 56

CFM 56

CFM 56

V2500

V2522

V2533

V2525

Engine Model

3C1

5A1

5C2

7B20

A1

A5

A5

D5

TO (ISA SLS)
Thrust (lb)

23500

25000

31200

20600+

25000

22000

33000

25000

Flat rating (C)

30.0

30.0

30.0

30.0

30.0

30.0

30.0

Bypass ratio

4.80

6.00

6.40

5.40

5.00

4.60

4.80

Pressure ratio

25.70

26.50

31.50

29.40

24.9

33.40

27.70

Mass flow (lb/s)

710

852

1065

781

738

848

784

SFC (lb/hr/lb)

0.33

0.33

0.32

0.36

0.35

0.34

0.37

0.36

Climb:
Max Thrust (lb)

5540

5670

7580

5620

5550.0

6225

6061

Flat rating (C)

ISA+10

ISA+10

ISA+10

ISA+10

Cruise:
Altitude (ft)

35000

35000

35000

35000

35000

35000

35000

Mach number

0.80

0.80

0.80

0.80

0.80

0.80

0.80

Thrust (lb)

5070

5185

5725

5773

Thrust lapse rate

0.202

0.2

0.174

0.231

Flat rating (C)

ISA+10

ISA+10

ISA+10

ISA+10

Sfc lb/hr/lb

0.667

0.596

0.545

0.581

0.574

0.574

0.574

Dimensions:
Length (m)

2.362

2.510

2.616

2.499

3.200

3.204

3.204

3.204

Fan diameter (m)

1.600

1.830

1.945

1.651

1.681

1.681

1.681

1.681

Basic eng.wt. (lb)

4301

4860

5700

5234

5210

5252.0

5230.0

5252.0

Layout:
Number of shafts

2

2

2

2

2

2.0

2

2

Compressor

1+3LP 9HP

1+3LP 9HP

1+4LP 9HP

3LP 9HP

1+4LP 10HP

1+4LP 10HP

1+4LP 10HP

1+4LP 10HP

Turbine

1HP 4LP

1HP 4LP

1HP 5LP

1HP 4LP

2HP 5LP

2HP 5LP

2HP 5LP

2HP 5LP

Eng.Cost ($M)

3.20

3.50

4.55

Aircraft

B737-400

A320

A340

B737-600

A320

MD90-10/30

A321-200

MD-90-30

B737-500

700

A319

A319

MD-90-30ER

In service date

Dec 1986

Aug 1987

Oct 1994

1997

May 1989

Feb 1993

Jan 1994

Oct 1994