B787

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The B787 :is designed with advanced stability and control systems to ensure safe and reliable flight operation these systems include


1- Fly by wire control

The B787 utilize flight -by-wire technology where control inputs from the pilots are transmitted electrically to control surfaces

Providing precise and responsive handling characteristics


2- Flight control law

The aircraft is equipped with sophisticated flight control law that help maintain stability and control in various flight conditions these laws automatically adjust control surfaces to prevent stalls maintain desired attitude and enhance overall stability


3- Auto pilot system

The autopilot system in B787 is capable of managing the aircraft flight path altitude and speed . allowing for hands-free operation within certain parameters it contributes to overall stability by maintaining prescribed flight profiles


4- Flight management system (FMS)

The FMS helps the pilot plan and execute their flight efficiently including navigation,route, optimization,and performance management which indirectly contributes to overall stability by ensuring proper flight planning


5- Flight envelope protection

Aircraft systems are designed to prevent the aircraft from entering unsafe flight conditions such as exceeding structured limits or aerodynamic limitions enhancing overall still and safety

These and other features work together to ensure that the B787 maintain stable characteristics under a wide range of operating conditions contributing to it's reputation as safe and reliable aircraft.



Fuel efficiency 


The Boeing 787 Dreamliner is recognized for its impressive fuel efficiency, contributing significantly to its popularity among airlines. Compared to older models like the Boeing 767, the 787 Dreamliner achieves about 20-25% better fuel efficiency. This improvement stems from several key design and technology advancements.

Firstly, the 787's airframe is primarily made of composite materials, which reduce the aircraft's weight and, consequently, fuel consumption. The advanced aerodynamics of the 787, including its raked wingtips and smooth surfaces, further enhance its efficiency. Additionally, the 787 is equipped with high-bypass turbofan engines, either the General Electric GEnx or Rolls-Royce Trent 1000


B787 specifications 



The Boeing 787 Dreamliner is a family of long-haul, mid-size wide-body, twin-engine jet airliners. It has three main variants: the 787-8, 787-9, and 787-10.

Below are the specifications for each variant:

Boeing 787-8


Length: 186 feet (56.7 meters)


Wingspan: 197 feet (60.1 meters)


Height: 56 feet (17.1 meters)


Range: 7,305 nautical miles (13,530 kilometers)


Seating Capacity: 242 passengers (typical two-class configuration)


Maximum Takeoff Weight (MTOW): 502,500 pounds (227,930 kilograms)


Cruise Speed: Mach 0.85 (561 mph or 903 km/h)


Boeing 787-9


Length: 206 feet (62.8 meters)


Wingspan: 197 feet (60.1 meters)


Height: 56 feet (17.1 meters)


Range: 7,530 nautical miles (13,950 kilometers)


Seating Capacity: 290 passengers (typical two-class configuration)


Maximum Takeoff Weight (MTOW): 560,000 pounds (254,011 kilograms)


Cruise Speed: Mach 0.85 (561 mph or 903 km/h)


Boeing 787-10


Length: 224 feet (68.3 meters)


Wingspan: 197 feet (60.1 meters)


Height: 56 feet (17.1 meters)


Range: 6,345 nautical miles (11,750 kilometers)


Seating Capacity: 330 passengers (typical two-class configuration)

Maximum Takeoff Weight (MTOW): 560,000 pounds (254,011 kilograms)


Cruise Speed: Mach 0.85 (561 mph or 903 km/h)


General Features of the 787 Family


Engines: Typically equipped with either the Rolls-Royce Trent 1000 or General Electric GEnx engines.


Composite Materials: Approximately 50% of the primary structure is made of composite materials, contributing to lower weight and higher fuel efficiency.


Cabin Features: Larger windows with electronic dimming, higher humidity levels, improved air quality, and lower cabin altitude to enhance passenger comfort.


The Boeing 787 Dreamliner series is designed to be more fuel-efficient, with advanced aerodynamics and the use of modern materials and technology, making it a popular choice for airlines seeking to reduce operational costs and enhance passenger experience on long-haul flights.



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