Aerospace

5 interesting facts about Boeing 787 Dreamliner .

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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.

Charitha

Aerospace

Indigo will soon launch Air Taxi Service in India

Image:Archer Aviation

InterGlobe Enterprises, the parent brand of IndiGo, is set to revolutionize travel in India with its upcoming air taxi service.

Scheduled for a potential launch in 2026, this innovative venture promises a seamless journey for passengers between two bustling hubs. Delhi and Gurgaon in Haryana. The forthcoming service is projected to revolutionize the daily commute, offering passengers a swift aerial journey covering the distance in a mere 7 minutes.

This remarkable efficiency contrasts starkly with the conventional 90-minute drive, underscoring the immense time-saving potential for commuters. The anticipated fare, ranging from Rs 2,000-3,000, makes this innovative mode of transport not only swift but also remarkably competitive in pricing.

At the heart of this ambitious endeavor lies a strategic partnership with Archer Aviation, a pioneer in electric vertical takeoff and landing (eVTOL) aircraft technology. Under this collaboration, Archer will supply 200 state-of-the-art eVTOL aircraft, representing an investment of US$ 1 billion. These cutting-edge aircraft, capable of accommodating up to four passengers alongside the pilot, epitomize the future of sustainable air travel.

Powered by six battery packs, Archer’s eVTOL aircraft boast rapid charging capabilities, enabling a swift turnaround between flights. With a charging time of just 30-40 minutes, these eco-friendly aircraft ensure minimal downtime, maximizing operational efficiency.

Similar services are anticipated to be introduced by the joint venture in Bengaluru and Mumbai as well. Nevertheless, the service rollout period has not yet been made public by the company. Next year, it is anticipated to get its certification. Following this, the company will start the certification procedure with the Directorate General of Civil Aviation (DGCA).

Aerospace

Which is bigger 777x or 787 aircraft ?

The 777X is a new series of the Boeing 777 family and is designed to be larger and more efficient than its predecessor. It features two variants: the 777-8 and the 777-9, being the larger of the two.

The Boeing 777X emerges as the larger sibling within the Boeing family, representing a significant leap forward in both size and efficiency. Comprising two variants, the 777-8 and the 777-9, the latter takes the crown as the larger of the two. With its expansive fuselage and impressive wingspan, the 777X is tailored for long-range journeys and boasts a substantial passenger capacity.

On the other hand, the Boeing 787, affectionately known as the Dreamliner, occupies a niche in the market as a smaller yet formidable aircraft designed for medium to long-range flights. Its distinguishing feature lies in its composite fuselage, a technological marvel that renders it lighter and more fuel-efficient compared to conventional aluminum counterparts. The Boeing 777X is larger than the Boeing 787 aircraft.

When it comes to passenger capacity, the 777-9 reigns supreme, typically accommodating a sizeable contingent of 400-425 passengers in its standard configuration. In contrast, the 787, with its more modest dimensions, typically carries between 240-290 passengers, depending on the variant and layout.

One of the remarkable innovations introduced with the 777X is its folding wingtips, a feature designed to address the logistical challenges of accommodating such a large aircraft in conventional airport gates. These folding wingtips enable the 777X to retract its wings, allowing it to fit into gates designed for smaller aircraft while still reaping the benefits of an extended wingspan during flight, thereby enhancing fuel efficiency and operational flexibility

Aerospace

China Secures Production Certificate for Mass Production of Pilotless eVTOL Aircraft

EHang

The first passenger-carrying pilotless electric vertical takeoff and landing (eVTOL) aircraft in the world, the EH216-S, has received the Production Certificate for its eVTOL aircraft from the Civil Aviation Administration of China (CAAC).

This is a significant milestone for EHang Holdings Limited, the leading UAM technology platform company in the world. This outstanding accomplishment is another big step towards mass manufacturing for the eVTOL aircraft and the ensuing commercial operations, building on the ground-breaking acquisition of the Type Certificate and the Standard Airworthiness Certificate for the EH216-S.

The PC is a crucial certificate that the aircraft maker receives from the CAAC, the country’s aviation authority. By obtaining this certificate, EHang has demonstrated that it has set up a quality management system for mass production that satisfies the airworthiness regulation standards set forth by the CAAC, and the company has been given permission to continue producing mass quantities.

It is also a strong guarantee of the calibre of the goods made by EHang. Raw materials, supplier management, manufacturing organisation, production quality control, aircraft pre-delivery test, after-sales repair and maintenance, etc. are all included in the mass production quality management system for the EH216-S.

To ensure that every aircraft and its components that roll off the production line strictly adhere to the approved type design and safety requirements, the system sets clear guidelines and documentation for every step in the production procedure. This ensures comprehensive traceability and safety control.