Tuesday, June 16, 2015

List features of the Boeing 787 Dreamliner and describe how the customer benefits from each.

The Boeing 787 Dreamliner represents a quantum leap in
aircraft design.  It incorporates composite materials instead of predominantly aluminum,
and is equipped with revolutionary systems that make it the leader in the long-haul
aircraft category.


Features and their resulting advantages
to the customer are as follows:


Structural Composites:  The
use of these materials result in lightweight, fuel economy and extended
range.


Electromechanical Brakes:  Compared to older
hydraulic brakes, these are lighter and have increased
reliability.


Large size:  The aircraft can carry more fuel,
cargo and passengers.


Pressurization:  Because of the
composite technology, less pressurization is needed than in conventional aircraft.  The
result is that passengers feel less of a sense of jet
lag.


Spaciousness:  The cabin design incorporates increased
legroom and added amenities such as
lounges.


Environmentally “Green”:  The Dreamliner used 20%
less fuel per passenger.  This results in fewer carbon emissions and quieter takeoffs
and landings.


Structural Superiority:  Compared to aluminum
designs, composite technology provides improved structural strength and durability.  The
result is longer aircraft life, less maintenance, corrosion resistance and less
susceptibility to structural fatigue.


Systems powering: 
The Dreamliner has far less reliance on bleed-air powering of onboard systems.  Instead
of bleeding hot air from the engines to provide power, the 787 has converted these
systems to a largely electric architecture.  This results in improvements in engine
start, auxiliary power, de-icing, cabin pressurization and hydraulic
pumps.


Computing Systems:  An advanced maintenance control
system improves troubleshooting.


Selective Paint
Stripping:  The composite body allows chemical stripping of paint from the aircraft skin
(no longer requiring hand sanding).


Electrochromic Dimmable
Windows:  Providing added passenger
comfort.


Interchangeable Engine Types:  The composite wing
design facilitates interchange of engine types to the specifications of the
customer.


Quick Reparability:  The composite materials
allow quick repair in the event of minor damage, allowing quick repairs at the
gate.


High-intensity LED Interior Lighting:  Provides
improved interior lighting with lower energy
consumption.


Reduced Maintenance:  Design permits overall
reduction in required scheduled maintenance:  Compared to earlier aircraft, the 787
offers a 30% reduction in airframe and system maintenance requirements (and
costs).

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