5 interesting facts about Boeing 787 Dreamliner .

The Boeing 787 Dreamliner, which first flew in December 2009, is the company’s “technological marvel” and the result of hundreds of engineers from around the world working together. This aircraft is particularly impressive to Aversan because of its creativity and how it employs technology to improve the cabin experience, environmental friendliness, and other essential considerations.

1. The Dreamliner is Boeing’s most ecologically friendly airliner for two reasons. First and foremost, this is Boeing’s most fuel-efficient airliner, with a 20 percent fuel efficiency advantage over the 767.

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2. Ease the pressure : The aircraft’s fuselage is made of carbon fiber, which makes it stronger and allows the cabin pressure to be maintained at a lower level. This increases the amount of oxygen and humidity in the cabin, reducing the effects of jet lag and making the flight more comfortable for passengers and crew.

3. The Boeing 787 is a 100% bleed-free aircraft. This implies it lacks a method for removing air from the engines’ compressor stages. Bleed air is mostly required for the following purposes:

• An anti-icing system:  To prevent ice from forming on the wings and engines, most aeroplanes use hot bleed air from the engines. The B787, on the other hand, uses electro-thermal system to keep the edges of the wings warm and prevent ice from forming.
• Air conditioning systems:  Instead of using bleed air from the engines, the B787’s engines power an electrically driven compressor, which then powers the plane’s air conditioners.
• Engine start: most planes use high-pressure bleed air from the APU. However, instead of bleed air, B787 uses powerful electrical motors to spin the engines’ compressors at first.This means the engines are used only as a source of propulsion and nothing else. This is the main reason why the B787 is more fuel-efficient.

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4. The Dreamliner’s new windows are made of two thin layers of glass :

The windows on the 787 are the largest ever seen on any plane, measuring 47 by 28 centimetres (19 inches high). The 787’s windows are 65 percent larger than any previous aircraft window, according to Boeing.

Instead of traditional pull-down shades, the Dreamliner’s windows feature a specific mid-layer that can be dimmed using a switch. An electrical current is routed through a transparent gel containing minerals capable of creating color using electrochromic technology. When the passenger clicks the darkening window button, the current rises, causing the gel to darken. It’s also not an all-or-nothing situation. The passenger can block sunlight from entering the cabin while still seeing out the window by adjusting the tint to the desired level.

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5. Wing :

The 787’s raked wingtip, where the wing sweeps upwards at the end, is one of its most distinctive features. Its purpose is to improve the aircraft’s fuel efficiency and allow it to climb more efficiently. This is most likely the first time we’ve seen something like this in a commercial service.