CIVIL JET AIRCRAFT DESIGN

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Appendices
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Data B : Engine Data File : Various Small Engines

Allied Signal Engines produce a range of low power (16 - 32kN) engines for regional and business jets.

Allison Engines (part of the RR group) mainly produce turboprop engines but also make the AE3007 turbofan used for smaller aircraft (eg. EMB145). CFE is a joint venture company (Allied Signal and GE) to market the CFE738 engine used on business jet aircraft.

Pratt & Whitney Canada (P&WC), now part of the United Technology Corp., are mainly known for their PT6 turboprop series of engines. They also produce small 10-20kN thrust turbofan engines used to power the Cessna business jet aircraft.

Download Excel File

COMPANY

ALLIEDSIG

ALLIEDSIG

ALLISON

CFE

P&W Canada

P&W Canada

P&W Canada

P&W Canada

Engine Type
Engine Model

LF507

ALF502R-5

AE3007

CFE738

JT15D

PW305B

TO (ISA SLS)
Thrust (lb)

7000

6970

7150

5918

3045

5266

Flat rating (C)

23.0

15.0

30.0

21.0

25.0

Bypass ratio

5.60

5.70

5.3

3.3

4.5

Pressure ratio

13.80

12.20

24

23

13

23

Mass flow (lb/s)

256

240

75

180

SFC (lb/hr/lb)

0.406

0.408

0.39

0.369

0.56

0.391

Climb:
Max Thrust (lb)
Flat rating (C)
Cruise:
Altitude (ft)

25000

40000

40000

40000

Mach number

0.70

0.8

0.8

0.8

Thrust (lb)

2250

1310

2414

1113

Thrust lapse rate

0.323

Flat rating (C)
Sfc lb/hr/lb

0.414

0.720

0.645

0.541

0.675

Dimensions:
Length (m)

1.620

1.620

2.705

2.514

1.55

2.083

Fan diameter (m)

1.272

1.272

1.105

1.219

0.69

1.11

Basic eng.wt. (lb)

1385

1336

1581

1325

632

993

Layout:
Number of shafts

2

2

2

2

2

Compressor

various

1+2L 7+1HP

1+5LP+1CF

1+1LP+1CF

1+4LP+1HP

Turbine

2HP 2LP

2HP 2LP

2HP 3LP

1HP 2LP

2HP 3LP

Eng.Cost ($M)

1.66

Aircraft

BA146-300

BA146-100

EMB 145

Falcon 2000

Citation

BAe 1000

Avro RJ

BA146-200

Citation 10

Beech

In service date

1991

July 1982

1992

1983

1990