Let you take charge of the military academy, the world's number one university?

December 30.

Early in the morning.

Blue Sky Military University.

A large airport on campus.

Hundreds of media reporters gathered to witness the first flight ceremony of the domestic large aircraft "CL920" and "CL930".

Media platforms such as Yang Video, Blue Sky Short Video, Blue Sky Live Broadcast, and Xia Guo News Channel all broadcast live simultaneously.

Above the airport.

A majestic large white aircraft "CL920" is parked on the left runway.

The aircraft, with a fuselage length of 40 meters, a wingspan of 35 meters, a fuselage height of 12 meters, and a maximum take-off weight of 80 tons.

Next to the CL920 aircraft.

Lutai location reporter Bingbing appeared in front of the audience.

She faced the camera and said: "Dear audience, welcome to the special program "The Emergence of Domestic Large Aircraft, Milestones of Xia Guo Aviation" brought to you by Lutai.

Today is a day worth remembering in history, and it is also a day worth writing about.

Just half an hour later.

The CL920, a large aircraft with a domestic production rate of 100% independently developed by Blue Sky Aerospace Group, is about to make its first flight.

As we all know, large aircraft are the culmination of cutting-edge science and technology, and it is difficult to form without pooling the strength of the whole country.

The so-called large aircraft refers to transport aircraft with a maximum take-off weight of more than 100 tons and trunk passenger aircraft with more than 150 seats, which is a common model of international civil aviation.

Whether large aircraft can be manufactured independently determines the comprehensive strength of various countries in the field of civil aviation.

Large aircraft involve cutting-edge disciplines such as material science, metallurgical science, engineering mechanics, aerodynamics, and thermodynamics, even if they are inconspicuous fasteners, are the integration of modern high-end manufacturing.

Therefore, the design, production and manufacturing of large aircraft require support from national forces, which can be called a representative work of a new national system for tackling key core technologies.

To accomplish this goal.

Blue Sky Aerospace Group "357", together with the national scientific research institutions of Blue Sky Military University, as well as some Blue Sky enterprises, a total of more than 100,000 industrial personnel participated in the research and development. "

Speaking of which.

Viewers in front of computers, televisions, and mobile phones were all bright.

After the domestic large aircraft C919, Xia Guo has developed a new domestic large aircraft?

In November 2015, the first C919 passenger aircraft was officially assembled and rolled off the production line at the Pudong base.

On December 25, 2016, the first C919 aircraft was delivered to the flight test center.

At the moment, the C919 has not yet flown a test flight.

Unexpectedly, Blue Sky Aerospace Group later came out on top and developed a large domestic aircraft for Blue Sky.

That's really surprising.

The most exaggerated.

The localization rate of C919 is 60%.

And the localization rate of Blue Sky CL920 has reached an astonishing 100%!

......

Above the runway.

Bingbing Science popularized: "The naming of the blue sky CL920 domestic large aircraft is simple and easy to understand.

C stands for the initials of Xia Guo, and L stands for the initials of Blue Sky Aerospace Group.

The number 9 means long-lasting, durable, and long-lasting.

The number 20 represents a passenger aircraft with a maximum capacity of 200 passengers.

Blue Sky CL920 domestic large aircraft, basic hybrid layout 175 seats, full economy layout 190 seats, high-density layout 200 seats.

It has a maximum payload of 80 tons, a cruising altitude of 12,500 meters, a cruising speed of Mach 0.82, a standard range of 6,000 kilometers, and a maximum range of 6,600 kilometers.

Basic performance aspects.

The Blue Sky CL920 aircraft is better than the CB919 aircraft, the 737 aircraft of the Oyin company, and the A320 aircraft of the Air Dragon company.

In terms of maximum range.

Across the territory of Xia Country, it only takes more than 5,000 kilometers.

Even on standard ranges.

Blue Sky CL920 aircraft, departing from major cities in China and landing in neighboring countries, will not have any problems. "

Between words.

Duan Zhou, general manager of Blue Sky Aerospace Group, appeared in front of the camera.

After Bing Bing and Duan Zhou said hello, they formally conducted the interview.

She asked: "Mr. Duan, the blue sky CL920 domestic new generation jet large passenger aircraft, the localization rate is 100%, did not purchase materials from other countries' enterprises?" "

"Nope!"

Zhuang Tong shook his head and said, "All the materials or configurations of the Blue Sky CL920 come from various scientific research institutions of Blue Sky Series enterprises or Blue Sky Military University.

All kinds of steel for the aircraft come from Blue Sky Industrial Group.

All kinds of components of the aircraft come from Blue Sky Electric Group.

All kinds of parts of the aircraft come from Blue Sky Industrial Group.

The composite materials, aluminum alloys, titanium alloys and other materials of the aircraft come from the National Institute of Materials of Blue Sky Military University.

The components and instruments of the aircraft come from Blue Sky Electric Group, Blue Sky Electronics Group and Blue Sky Chip Group.

The fuselage, wings, tail, landing gear, interior, engines, nacelles, etc. of the aircraft are all from our Blue Sky Aerospace Group.

The aircraft's electromechanical system, flight control system, fuel and hydraulic system, communication and navigation system, environmental control system, etc., also come from blue sky enterprises or scientific research institutions. "

Hear this.

Bing Bing nodded in understanding.

Blue Sky CL920, although it does not have the power of the country, but it is also the power of the Blue Sky Military University!

The existence of Blue Sky enterprises and Blue Sky Military University solves the worries of the domestic large aircraft Blue Sky CL920.

Bingbing asked again: "President Duan, as far as I know, our Xia Kingdom has many unconquered technologies in the aviation field.

For example, aero-engine nacelles.

The nacelle is the cabin where the aircraft engine is placed, which is the core component of the aircraft engine, and the cost accounts for about 25% of the total engine.

This technology has long been monopolized by foreign manufacturers.

For example, aero-engine design.

How to improve the level of manufacturing and assembly process?

How to avoid damage to the engine caused by resonance?

How do you design a large fan with lighter blades and resistance to centrifugal force?

These problems have not yet been solved by the domestic aviation community.

How does the Blue Sky CL920 overcome these technologies? "

There is a saying in the industry.

The value created per unit weight is numerically.

Ships are 1, cars are 9, computers are 300, regional aircraft are 800, and aircraft engines up to 1400 are called the "crown jewel" of the world's industrial products.

Once Xia Guo can conquer the aircraft engine.

That domestic aircraft are qualified to compete with the aircraft of the American Boeing Company.

Bingbing would like to know.

Blue Sky Aerospace Group, how to conquer aircraft engines.

Duan Zhou said truthfully: "Originally, the most important thing for aero engines was the problem of materials.

Aero engines, not only to withstand oxidation and corrosion, but also to withstand high temperatures and high pressures.

The material used in the United States is carbon fiber.

The material used by Xia Guo is aluminum alloy.

Carbon fiber materials are much better than aluminum alloy materials.

After the establishment of the State Key Laboratory of Carbon Fiber of Blue Sky Military University, it has conquered the high-end carbon fiber production process.

After having high-end carbon fiber.

The material problem of our Xia Guo aircraft engine has been solved.

Not only that.

Our group and various scientific research institutions of Blue Sky Military University have worked together to tackle key problems and finally developed a domestic aircraft engine belonging to Xia Guo! "

"So it is!"

Bingbing nodded first, and then asked: "President Duan, the domestic large aircraft C919 developed by Xia Guo is about to fly for the first time.

Why do you Blue Sky Aerospace Group independently develop Blue Sky CL920? "

Duan Zhou said in a condensed voice: "China has major deficiencies in medium-range narrow-line passenger aircraft models.

The development of C919 marks the official journey of Xia Civil Aviation passenger aircraft and fills the gap in this field in China. (Read violent novels, just go to Feilu Fiction Network!) ）

However, the current world mid-range airliner market.

Sound, with a global share of 40.9%.

Holstein, with a global share of 34.4%.

Experts predict that Xia Guo will need 7,690 passenger planes in the future, which will become the world's largest single aviation market, forming a market of at least $1.2 trillion.

That's why.

Xia Guo only has the model of C919, and it cannot compete with the Laoyin Company and the Empty Dragon Company.

The advent of the Blue Sky CL920 passenger aircraft will compete with the C919 in the future with the empty jaw of the A head and the sound of the B head.

By then, the aircraft market will form an ABC intertwined flight grid.

The purpose of Blue Sky Aerospace Group's research and development of passenger aircraft is to help Xia Guo win this business war at the highest altitude! "

Bing Bing nodded.

She finally asked: "Mr. Duan, what links are involved in today's first test flight of CL920?" "

Duan said bluntly: "Blue sky CL920, the first flight time will take 90 to 120 minutes.

From its takeoff to its landing, there are 15 test sites, divided into multiple stages.

These phases are ground inspection phase, climb phase, level flight phase, simulated approach, landing and go-around phase, and landing phase.

During the first flight.

Blue Sky CL920, flying at a maximum altitude of 10,000 feet and a maximum speed of 170 knots, is accompanied by another aircraft. "

......

After the interview.

The time has come to 9 o'clock sharp.

The domestic large aircraft Blue Sky CL920 took off from the first runway of the airport in the Blue Sky Military University.

Under the attention of media reporters and netizens watching the live broadcast.

The blue sky CL920 flew into the sky smoothly and gradually disappeared from view.

Meanwhile.

In the aircraft, test pilots and flight engineers coordinate and cooperate to complete the scheduled tasks and check the status and performance of the aircraft.

During the test flight.

Experts from Lutai are also popularizing specific test flight tasks to netizens.

The blue sky CL920 that flew today is mainly responsible for test flight 0 in terms of performance, structure, maneuverability, etc.......

Subsequently, more than 1,000 test flights will be carried out such as avionics, lighting, cabin environment control, cabin systems, high temperature and cold, and functional reliability.

From the first flight of the Blue Sky CL920, to the subsequent acquisition of the type certificate, and then to the official commercial use.

In fact, it takes a long time.

......

In the live broadcast screen.

Ice Bing, an exterior reporter, appeared on the runway on the right side of the airport.

In the background behind her is a brand new large white airliner.

The airliner was named Blue Sky CL930.

Bingbing spoke: "Dear audience, the Blue Sky CL930 domestic large aircraft behind me is a long-range wide-body passenger aircraft independently developed by Blue Sky Aerospace Group with a domestic production rate of 100%.

Its naming is equally simple and easy to understand.

C stands for the initials of Xia Guo, and L stands for the initials of Blue Sky Aerospace Group.

The number 9 means long-lasting, durable, and long-lasting.

The number 30 represents a passenger aircraft with a maximum capacity of 300 passengers.

Blue Sky CL930 domestic large aircraft, length 55 meters, height 17 meters, wingspan 45 meters, maximum passenger capacity of 300 seats, cruising altitude of 10,000 meters, cruising speed of Mach 0.82, standard range of 12,000 kilometers, longest range of 12,800 kilometers.

It adopts advanced aerodynamic design, a large number of composite materials, and is equipped with a new generation of large-bypass turbofan engines to improve the comprehensive performance index of the aircraft, and has lower direct operating costs than similar models.

Another 10 minutes.

Blue Sky CL930 domestic large aircraft will also make its first flight at the airport of Blue Sky Military University! "

Bing Bing looked at Duan Zhou and asked, "President Duan, what does the first flight of the Blue Sky CL930 domestic large aircraft mean?" "

Duan Zhou said truthfully: "Xia Civil Aviation aircraft has a three-step strategy.

The so-called three-step approach refers to the gradual construction of ARJ21 regional passenger aircraft, C919 small trunk passenger aircraft and CR929 large trunk line passenger aircraft.

These three types of passenger aircraft are currently in the stage of commercial use, imminent first flight, and prototype manufacturing.

Blue Sky Aerospace Group, the research and development of Blue Sky CL920 small trunk airliner and Blue Sky CL930 large trunk airliner, is also to follow the footsteps of Xia Civil Aviation.

The first flight of the Blue Sky CL930 large trunk airliner means that the technology that soars into the blue sky of Xia Guo is the advent of the era of localization.

In addition, the advent of CL930 has important historical significance for Xia Guo aviation, which can open a new era of Xia Civil Aviation!

At the same time, the birth of long-range wide-body passenger aircraft will drive the improvement of China's overall industrial manufacturing capacity and level, and accelerate the leap of Xia Guo from a manufacturing country to a manufacturing power! "

Hear this.

Bing Bing nodded solemnly.

The widest in the world is the ocean, wider than the ocean is the sky, wider than the sky is the glory and dream of the great rejuvenation of the Xia nation soaring with a large plane!

......

9:30 a.m.

The domestic long-range passenger aircraft Blue Sky CL930 took off from the 8th runway of the airport in the Blue Sky Military University.

5.0 Under the attention of media reporters and netizens watching the live broadcast.

Blue Sky CL930 flew smoothly into the blue sky and gradually disappeared from view.

Similarly, during the first flight, test pilots and flight engineers complete scheduled tasks to check the status and performance of the aircraft.

Subsequently, the Blue Sky CL930 will also complete various flight test stages.

......

After the first successful flight of the Blue Sky CL920 and Blue Sky CL930.

The whole network is talking about these two large domestic aircraft.

"Ward Day! Blue Sky Aerospace Group won the god of the first battle! "

"Don't stop anyone, I'm going to play ca11 for blue sky CL920 and CL930!"

"100% localization rate! Blue Sky Aerospace Group and Blue Sky Military University are simply bullish to the sky! "

"The students of the Civil Aviation College of Blue Sky Military University are so cool! In the future, they will be able to fly the blue sky domestic large aircraft and fly the blue sky! "

"I have long said that the people of Xia Country will definitely be able to build their own big plane, and no one wants to stop the progress of Xia Country!"

"Yes, the existence of Blue Sky Military University and Blue Sky Enterprises has made Xia Guo have a complete industrial system and a complete industrial chain, and now two domestic large aircraft have come out, which is really a prestige of our country!"

"Xia Guo has a huge market of 14 people, has the largest processing and manufacturing complete supporting basic industrial chain, and has a mechanism and system guarantee to concentrate on doing big things, as long as the country attaches importance to it, domestic large aircraft must become another beautiful business card of the country like high-speed rail, and take off wings for Xia Guoan, proud of the world!"

"That's right! Although Blue Sky CL920 and CL930 will be followed up by testing the ultimate load of the static test of the whole aircraft, accepting various complex meteorological conditions and a series of high-risk flight test subject challenges, special flight tests, test flight certification, airworthiness certification, commercial test flights, etc., it will take more than six or seven years to officially put into commercial use, but we are willing to wait and can afford to wait! "。