Boeing 787/7E7 Dreamliner

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Specifications

There will initially be three different variations of the 787.

They are:

B 787 – 3 Range 2,500 to 3,050 nautical miles (4,600 to 5,650 kilometres), accommodating 290 - 330 passengers.(initially ordered by All Nippon Airways for single class domestic routes.)

B 787 - 8 Range 7,650 to 8,200 nautical miles (14,200 to 15,200 kilometres), accommodating 210 - 250 passengers.

B 787 – 9 Range 8,000 to 8,500 nautical miles (14,800 to 15,750 kilometres), accommodating 250 - 290 passengers.

As well as bringing large jet ranges to a medium sized jet, the 787 will also match the speeds of larger jets, being a cruise of Mach 0.85. This will be delivered with an environmentally friendly fuel saving in the area of 20%.

Key to delivering this efficiency is a suite of new technologies

Weight is being reduced by the fact that up to 50% of the aircraft is built using composite materials, including the fuselage and wings. To put this in perspective, compare Boeings current Aircraft the 777.

Boeing 787
Composite Materials50 Per Cent
Aluminium20 Per Cent
Other Materials30 Per Cent
Boeing 777
Composite Materials12 Per Cent
Aluminium50 Per Cent
Material Breakout of Boeing 787
Composite Materials50 Per Cent
Aluminium20 Per Cent
Titanium15 Per Cent
Steel10 Per Cent
Other5 Per Cent

The fuselage is constructed using a single piece barrels joined end to end instead of multiple panels. This reduces the need for around 40,000—50,000 fasteners. Additionally it increased strength allowing for higher cabin pressures.

787 will carry self monitoring systems that will be able to report to ground based computer systems on the state of health of the aircraft and it’s systems.One third of the efficiencies will come from the new technology engines. Boeing has chosen two engines to launch with; the General Electric GEnx and Rolls-Royce Trent 1000. Both engines will move from the old ‘bleed air systems of powering aircraft systems such as; air conditioning and start-up to electrical, thus moving to more electrical aircraft. This is weight saving as well as less power drain on the engines. Both engine types will have an identical interface allowing operators to fit either type of engine when required. The engine nacelles will also feature chevroned trailing edges of the casing to reduce engine noise. For the first time Pratt and Whitney have not had a launch product, as it is believed they could not make the business case work to develop this kind of engine. An Active Gust Alleviation system, similar to the system that Boeing built for the B-2 bomber, improves ride quality. Boeing, as part of its "Quiet Technology Demonstrator project, is experimenting with several engine noise-reducing technologies for the 787. Among these are a redesigned air inlet containing sound-absorbing materials and redesigned exhaust duct covers whose rims are tipped in a toothed pattern to allow for quieter mixing of exhaust and outside air. Boeing expects these developments to make the 787 significantly quieter both inside and out.

A special toilet has been designed to accommodate wheelchair passengers, a 56 inch by 57 inch lavatory has a moveable wall so that two lavatories can be converted to one to allow access.

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Boeing 787 Dreamliner
Variant787-8787-9787-10
Milestones
  Maiden Flight15 December 200917 September 2013Yet to fly.
  Launch Delivery25 September 2011Target Mid 20142018
  Launch AirlineAll Nippon AirwaysAir New ZealandSingapore Airlines
  Unfulfilled Orders (as at Aug 2013)41538850
  Aircraft Delivered (as at Aug 2013)83--
Dimensions
 Fuselage
  Fuselage Length56.7 Metres (186 Feet)62.8 Metres (206 Feet)68.3 Metres (224 Feet)
  Fuselage Height
5.97 Meters (19 Feet 7 Inches)
  Fuselage Width (outside)
5.77 Meters (18 Feet, 11 Inches)
  Max. Cabin Width
5.49 Meters (18 Feet)
 Wing
  Wing Span
60.1 Metres (197 Feet, 3 Inches)
  Wing Area
325 Square Metres (3,501 Square Feet)
  Wing Sweep Back
32.2 Degrees
 Tail Fin
  Aircraft Height
16.9 Metres (55 Feet 6 Inches)
 Under Carriage
  Number of Nose Wheels
2
  Number of Main Wheels
2 x Bogies of 4
Engines x two
General Electric GEnx-1B or Rolls-Royce Trent 1000
  Thrust64,000 lbf (280 kN)71,000 lbf (320 kN)76,000 lbf (340 kN)
Cabin
  Seating242 (3 class)280 (3 class)323 (3 class)
  Seats Abreast
Typical 9 seats abreast in 3-3-3 configuration with seat width of 43.7cm(17.2in) at armrest level
Weights
  Maximum Take Off Weight228,000 kg (502,500 lb)
251,000 kg (553,000 lb)
  Maximum Landing Weight172,000 kg (380,000 lb)193,000 kg (425,000 lb)202,000 kg (445,000 lb)
  Maximum Zero Fuel Weight161,000 kg (355,000 lb)181,000 kg (400,000 lb)193,000 kg (425,000 lb)
  Operating Empty Weight Weight118,000 kg (259,500 lb)TBATBA
Fuel Capacity Litres126,210 Litres (33,340 US gal)
138,700 Litres (36,641 US gal)
Speeds
  Vmo/Mmo Velocity/Mach Max Operating speed
Mach 0.90 (593 mph, 515 knots, 954 km/h at 35,000 ft/10,700 meters)
  Cruise Speed IAS/Mach
Mach 0.85 (567 mph, 490 knots, 913 km/h at 35,000 ft/10,700 m)
Ceiling
43,000 Feet (13,100 Metres)
Range7,650–8,200 nmi (14,200–15,200 km; 8,800–9,440 mi)8,000–8,500 nmi (14,800–15,700 km; 9,210–9,780 mi)7,000 nmi (13,000 km; 8,060 mi)
Cargo Capacity137 m3 (4,826 cu ft) 28× LD3 or 9x (88x125) pallets or 8x (96x125) pallets + 2x LD3172 m3 (6,086 cu ft) 36× LD3 or 11x (88x125) pallets or 11x (96x125) pallets"175 m3 (6,187 cu ft) 40× LD3 or 13x (88x125) pallets or 13x (96x125) pallets
Take Off distance at MTOW at sea level (ISA)10,300 ft (3,100 m) High Thrust Rating: 8,500 ft (2,600 m)TBATBA
Variant787-8787-9787-10
Introduction
 
History
 
Specifications
 
Assembly
 
Interior
 
Deliveries