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Boeing 787 -8 to -9 differences
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7/21/2019 B787-8 to B787-9 - Differences.pdf
http://slidepdf.com/reader/full/b787-8-to-b787-9-differencespdf 1/12
787-9 PROGRAM SCOPE
Model PassengersRange
(nM)
Business Case
Forecast (Qty)EIS
-8 210 – 250 7,900 926 3Q 11
-9 250 – 290 8,200 1,177 2Q 14
-10X 310 – 340 7,100 1000 Q1 18
Major Program Milestones – Z24
2010 2011 2012 2013
Flight TestHardware
July
First Flight Aug
A/C CDRSep
A/C Firm Arch.June 30 EIS April
FT HardwareComplete
Feb
2014
18
Systems:
Higher capacity ECS architectureUpgraded Electrical Power System
Mission Improvement Nacelle
787-9 Configuration Features
(Major Changes from 787-8)
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
7/21/2019 B787-8 to B787-9 - Differences.pdf
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UTAS 787-9 INTEGRATED CONTENT MAJOR CHANGES
High efficiency
parallel GalleyCooling System
Weight reduced
Cabin Pressurization
& Control System
Increase capacity
CACTCS packs
Weight reduced,
high reliability
LCS pumps
High capacity
HVDC rack
High powerRFMC with
enhanced control
Weight reduced
ECS fans
Mission
improvement
nacelle
Fuel system:
Fuel quantity indicatorFuel shutoff
NGS distribution
High performance
wheels & brakesLegacy HS
Legacy GR
Increased capacity
Cargo loading
19UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
7/21/2019 B787-8 to B787-9 - Differences.pdf
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AIR MANAGEMENT SYSTEMS PRODUCT OVERVIEW
20
787-9 Unique Parts
• Increased cooling and
heating loads
• RAF increased
motor/speed
New FCAC, ICS, &
PECS Pumps for weightreduction, increased
efficiency, and reliability
Generation 5 (G5)
Liquid Systems
Pumps
Cabin Air Conditioning
Temperature Control
System (CACTCS)
Fan & Strategic motor
controller changes toaccommodate
increased efficiency
and weight reduction
Low Pressure
System (LPS) Fans
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
7/21/2019 B787-8 to B787-9 - Differences.pdf
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AIR MANAGEMENT SYSTEMS PRODUCT OVERVIEW
21
787-9 Unique Parts
• Changes to distribution
system due to newaircraft architecture
changes
Increased functionality
outflow valve to includealternate ventilation
system
Noise reduction
Cabin Pressure Control
System
Nitrogen Generation
System
Increased cooling loads and
parallel system architecturechanges to ICS
Galley Cooling Unit/
Integrated Colling System
Upgrades (ICS)
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
7/21/2019 B787-8 to B787-9 - Differences.pdf
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ELECTRIC SYSTEMS PRODUCT OVERVIEW
787-9 Unique Parts
• Redesigned to support
increased power rating
• Dual RAF feature
incorporation
• Increased reliability
Modified rack with
changes for contactorsand new configuration
RFMC
High Voltage DC RackRAM Fan Motor Controller
(RFMC)
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
7/21/2019 B787-8 to B787-9 - Differences.pdf
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ELECTRIC SYSTEMS PRODUCT OVERVIEW
23
787-9 Unique Parts
P100 contactor configuration
change to accommodate787-9 unique systems
change
Primary Power Distribution
Crown RPDU chassis
configuration for all locationsto gain commonality
Remote Power Distribution
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
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KIDDE PRODUCT OVERVIEW
24
787-9 Unique Parts
• Additional agent for
increased cargo bayvolumes
• Unique mounting rails
for mistake-proofing
Increased flow rate for
increased cargo bay leakage
Unique inlet/outlet fittings for
mistake proofing
Filter RegulatorHRD Extinguisher
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
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AEROSTRUCTURE 787 PRODUCT OVERVIEW
25
Mission Improvement
Nacelle
• Weight Reduction
Program
• Higher rated thrust engine
• Goal no life limited parts
• Reduced Nacelle drag
• Improved acoustic
performance
Thrust Reverser Inlet Cowl & Fan
Cowls
Bumper design, ply
reductions, latch/hinge
beams, latches, cascades,
framing
Sleeve - Ply reductions,
Blocker Doors, Fittings &
Covers
Inlet - Brackets, supports,
framing, fastener type/count,
Inner Barrel structure, Lipskin
machined pockets, bulkheads,
adhesives
Fan Cowl - Adhesives
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
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WHEELS & BRAKES PRODUCT OVERVIEW
26
787-9 Unique Parts
• Larger wheel for
higher weight aircraft
Larger heat sink mass for
increased energyrequirements
Common EBA with 787-8
Conduits sized for larger
787-9 brake
Reduced parts count
Reduced weight
Improved bonding and
grounding
Electric Brake Wire Bundle AssemblyMain Wheel
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
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INTERIORS PRODUCT OVERVIEW
27
Cargo
• Re-layout of the latches
and locks
• Weight reduction efforts
• Visual indicators on
latches to show
positively in “latched
position
Landing Light Change:
Additional mounting hole
added to mounting plate
Wing Illum Light Changes:
Adapter plate and lens
retainer contour to match
787-9 aircraft installation
“Lightweight” standard
cabin attendant seat
version (minor changes
to seat pan, seatpan/backrest inserts and
inertia reel beam)
Lighting Seats
787-9 Unique Parts
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
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SIS PRODUCT OVERVIEW
28
Fuel Quantity
Management
System
• Fit changes to Fuel
Height Sensors andFQIS in-tank and out-
tank harnesses due to
A/C wing changes
Exterior dimension changes
to accommodate A/Cstructure changes
Heated Floor Panels
787-9 Unique Parts
UTC AEROSPACE SYSTEMS -PROPRIETARY. EAR DATA- Subject to the export control restrictions on the first page of this presentation
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UTAS 787 EIS REVIEW
EIS Performance
UTC AEROSPACE SYSTEMS -PROPRIETARY EAR DATA- Subject to the export control restrictions on the first page of this presentation