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Trusted to deliver excellence
A brief history of the Jet
Engine
Corporate Jet Investor Conference
Miami 2015
Steve Friedrich
2
Trusted to deliver excellence
The Past
A brief history of the Jet Engine4
• Whittle vs. Ohain
• First modern use of a turbojet
engine
• First Commercial application
• Evolution of the Turbofan
Trusted to deliver excellence
The Present
6
7
What do Parts Cost?8
Required
Description Cost per engine Total
Fan Blade $14,227.20 24 $341,452.80
Fan Disc $264,406.00 1 $264,406.00
LPT Blade $5,746.80 100 $574,680.00
Annulus Fillers $5,205.60 24 $124,934.40
LPT NGV $6,150.00 22 $135,300.00
HPC Stg 1 $3,980.40 31 $123,392.40
HPT Stg 1 $7,430.40 74 $549,849.60
HPT Stg 2 $5,097.60 55 $280,368.00
Trusted to deliver excellence
The Future
Research & Technology10
Modern turbofan design considerations
• Thrust
• Weight
• Fuel Consumption
• Emissions
• Maintainability
Reliability is a given
11
Questions?
12
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