1. AAE 251 Vehicle of the Week: Boeing 787 Dreamliner
TEAM PM13 1

2. Overview Configuration Features Use/Mission Flight Performance
Significant Achievements
Innovative Technologies
Lessons Learned 2

3. Configuration 3

4. Configuration cont. Vertical Wing Location: Mid Wing (Low Mounted)
Dihedral Angle:
Dihedral
Tail Arrangement:
Conventional
Wing Planform:
Swept, approx. 32.2°
Cruise Speed:
Mach 0.85
Range:
8-8,500 miles (14,800-15,700 km)
Maximum Take-off Weight:
480,000 lbs.
Maximum Passengers:
330 people 4

5. Use/Mission of Vehicle
787-8 Dreamliner is abig commercial aircraft. Boeing wants to use it to replace the ER and ER.
Also wants to expand into non-stop markets where larger planes would not be economically viable.
The was the first of the Dreamliner series to enter commercial service.
Through October 24, s have been ordered, and 197 of those have been delivered.
Flown over 100,000 revenue and over 20 million passengers.
Boeing 787 Orders and Deliveries (cumulative, by year): 5

6. Use/Mission of Vehicle cont.
Boeing’s mission with the Dreamliner was to enhance passenger experience:
designed to make hours in flight more pleasant for passengers
cheaper to fly for owners fighting for profit with the rise of low cost carriers
windows that are 30% bigger, that can be dimmed electronically
seat-to-seat
bathrooms equipped with bidets
bigger touch screen entertainment panels 6

7. Flight Performance
Dreamliner uses GEnx engines, which are capable of producing 69,800 lb of thrust
Turbofan engine with an bypass ratio of 9
Cruises at .85M
Noise canceling nacelles create a noise footprint 60% smaller than similarly sized aircraft 7

8. Significant Achievements
Range of 8,300 nautical miles (15,372 kilometers) is enough to make a non stop commercial flight from New York City to Hong Kong while being at least 20% more fuel efficient than similarly sized aircraft
No bleed air system allows for a more efficient, and lighter aircraft with lower maintenance costs 8

9. Composite Materials 50% is formed of carbon fiber-enforced polymers
Great manufacturing efficiency
Greater fuel efficiency
Greater use by airline industry
For comparison, 777 is 50% aluminum and 12% composites
Fuselage is fashioned as several one-piece barrels
Eliminated the need to bolt 1,500 sheets of aluminum together, which also means between 40,000 and 50,000 fewer nuts and bolts, which would otherwise be holding the plane together, were drilled
20 percent decrease in fuel consumption and 20% fewer emissions
45% more cargo revenue capacity
Cabin pressure corresponding to an altitude of about 2.4 km decreased to 1.8 km 9

10. Elimination of Bleed Air
Bleed Air normally used for useful flight tasks
Those tasks are now handled by electrically driven compressors
Decreases weight of plane
Increases fuel economy of engines
Modern jet engines normally “bleed” hot, compressed air from the engine and put it to work on useful tasks such as de-icing the wings, running pneumatic actuators, and pressurizing the cabin
Normally: bleeding off air compressed by the engines, which is then cooled by air conditioners and pumped through ductwork around the plane
Electrical Generators will run the air supply system
No need to cool air super-heated in the engines to a breathable temperature
Eliminated many pneumatic components and ducting and pipework associated with bleed air 10

11. Lessons Learned Composite shell Better cabin conditions
Higher humidity
Resulted in improvements in other aircraft(777) 11

12. Lessons Learned cont. Battery Design 2 incidents resulting in fire
Lithium aerospace battery improvements 12

13. Lessons Learned cont. Supply chain issues Outsourcing
Multiple tiers of supply
Faulty power panel integration 13

14. Summary Configuration Features Use/Mission Flight Performance
Significant Achievements
Innovative Technologies
Lessons Learned 14

15. Sources
File:ANA_Boeing_787-8_Dreamliner_cabin_LED_show.jpg 15

16. Questions? 16