Pratt

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Pratt Whitney Geared Turbofan Engine Marek
Darecki President, Pratt Whitney Poland
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Evolution in Bypass Ratio EfficiencyRoad to
Next Generation Product Family
Turbojet
Turbofans Low bypass
Turbofans High bypass

• Lower fuel consumption and
• - Lower CO2
• Lower NOx
• Lower Cost

GTF Engine
Ultra high bypass
1990
2000
1950
1960
1970
1980
2010
2020
Engine certification date
3
PW GTF PurePower Engine AdvantageEnabling
Technologies lead to paradigm shiftTALON X
Combustor enables lower emissions
High
ATF (direct drive turbofan) Increasing weight of
low-RPM LPT contributes to increasing fuel burn
Noise
Fuel Burn
Better
Advanced Turbofan (ATF)
5-10 dB lower noise
Geared Turbofan (GTFTM) Engine
Lower fuel burn
Low
Fan Diameter
Low Bypass Ratio Higher Fan Pressure Ratio
High Bypass Ratio Lower Fan Pressure Ratio
Not subject to the EAR per 15 C.F.R. Chapter 1,
Part 734.3(b)(3)
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Flota samolotów pasazerskich wedlug typów
Tys. szt.
Szerokokadlubowe
Waskokadlubowe
Regionalne odrzutowe
Turbosmiglowe
Zródlo Flightglobal Insight
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Bombardier C
Airbus 320
A 320 NEO
MC 21
Boeing 737
Comac 919
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PurePower PW1100G EnginePowering the Airbus
A320neo aircraft
PurePower PW1100G EnginePowering the Airbus
A320neo aircraft
Not subject to the EAR per 15 C.F.R. Chapter 1,
Part 734.3(b)(3)
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GTF
LEAP X
Rotor
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Concept
PurePower Engine
Fewer stages, fewer parts Lower temperatures,
lower cost Lower fuel burn, lower noise
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Three Interlocking Enabling Technologies Proven
in Extensive Ground and Flight Testing
Advanced Nacelle
Very Light Weight Reliable High Horsepower Gear
Light Weight Extra Efficient Fan
2 2 2 15 Improvement in Fuel Burn
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PurePower Engine Significantly Reduces Noise
Munich Noise Footprint
Munich Noise Footprint
LaGuardia Noise Footprint
LaGuardia Noise Footprint
Geared TurbofanTM Engine (72 reduction)
Existing turbofan

• Potential Benefits to Much Lower Noise
• Lower Noise Fees
• Direct Flight Paths
• Shorter Curfew
• 2-3 Reduction in COC (cash operating cost)

Source Wyle Lab Analyses
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A 2B Investment in Technology Innovation
25 Years to PW1000G PurePower Engines
40K Demo engine
11K Demo engine
Entry Into Service
30K Flight demos
A320neo
C Series
GTF Demo
2000
1990
2008
2013
2015 /16
MC-21
MRJ
Entry Into Service
Flight weight design
30K Ground and Flight demo
Gear Test Rigs
Bombardier and C Series are registered trademarks
of Bombardier Inc. or its subsidiaries
Thrust in thousands of pounds (K)
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PW COMMERCIAL ENGINE BUSINESSNext Generation
Product Family Common scalable core
40k thrust
A320
MC-21
Embraer NG
CSeries
MRJ
10k thrust
Captured program
Bombardier and C Series are registered trademarks
of Bombardier Inc. or its subsidiaries