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Chapter 538 Top Service

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    After all, the verification of the fly-by-wire control system cannot be completed in a day or two. It requires little exploration through theoretical calculations combined with the actual flight data of the aircraft. Therefore, if we want to speed up the development progress, in addition to the calculation and design of the project team day and night,  The most important thing is to conduct multiple test flights of the actual model aircraft regardless of cost, to demonstrate its performance to the best of its ability, so that these data can be used to form a real flight envelope and be entered into the fly-by-wire control system.

    The country is naturally aware of the importance of the telex system, but it has too few advanced aircraft on hand. It can only allocate two J-7s to Guo Xiaobo's team for experimental research.

    However, due to various reasons, the maintenance of the two J-7s is very complicated, the attendance rate is not high, and they cannot bear the high-intensity test flight work. As a result, Guo Xiaobo's theory cannot be verified even if it is made.

    So after much thought, he found Zhuang Jianye, hoping that Ascendas Group could provide a Y-6a business jet, which would be used for daily flight envelope verification flights with its good attendance rate, and the two J-6A aircraft were difficult to maintain.  7 is designed specifically for high-maneuver action flying.

    In this way, even if the J-7 dies, the fly-by-wire control system project team led by Guo Xiaobo cannot be shut down due to lack of experimental verification aircraft.

    There is no way. The field of aviation scientific research is a comprehensive discipline that pays equal attention to theory and practice. Although fly-by-wire control is a sub-project in the general category of aviation scientific research, it cannot escape this iron law.

    Because of this, the aviation platform used for experimental verification is not important, but very important.

    ¡°Even in a sense, the number and level of experimentally verified aviation platforms can reflect the strength of a country¡¯s aviation technology.

    This can be seen from the various experimental verification machines of the United States and the Soviet Union. Without the paving the way for these crazy and seemingly useless experimental verification machines, the United States and the Soviet Union would not be able to possess the F-15.  , F-16; Su-27, MiG-29 and other aviation industry crystallizations that subvert imagination.

    From this aspect, there is a big gap between domestic verification and foreign aviation industry powers. Not to mention building dedicated verification machines, there are very few platforms suitable for modification.

    Zhuang Jianye was naturally aware of the current situation in the country, so Guo Xiaobo came to find him. Zhuang Jianye did not hesitate at all and agreed to provide the top-end version of Yun-6a to the Flight Control Research Institute for free.

    Not only is the flight platform free of charge, Zhuang Jianye also provides RMB 30 million in technology research and development funding for the Flight Control Research Institute. In addition, once the fly-by-wire control system based on the Yun-6a is successfully put into commercial service, the Flight Control Research Institute can also start from the future  10% of the agreed share will be extracted from the sales revenue.

    What the Flight Control Research Institute needs to pay is to study the fly-by-wire control system of Project 10 and at the same time help understand the fly-by-wire control system of the Yun-6a used for experimental verification.

    Neither Guo Xiaobo nor the Flight Control Research Institute had the slightest objection to Zhuang Jianye's request. Ascendas Group provided money and provided the aircraft platform for free. For this favor alone, they helped build a telex system for free.  The operating system should also be used.

    What's more, for them, the fly-by-wire control system of small aircraft is not difficult. You must know that Guo Xiaobo's team is developing a fly-by-wire control system for third-generation fighter jets. The small passenger and cargo aircraft platform has no mobility or performance.  The method is comparable to that of a fighter jet. In addition, as a verification platform, it must be equipped with a fly-by-wire control system for testing and verification. With slight modifications, it can be applied to the Yun-6a.

    Of course, there is no problem for the Flight Control Research Institute to install a fly-by-wire control system for the Y-6a. However, there are gaps in some aspects between the Y-6a and certain indicators required by the Flight Control Research Institute.

    Then there is nothing to say. If there is any gap, just change it. It just so happens that some key technologies of the advanced light transport platform held by Ascendas Group also need to be tested and verified, so we simply made a two-in-one, and the changes to the Y-6a began.  .

    The first is the wing. At first, the support rods fixed to the fuselage were removed, and then the sweep angle and winglets were increased. Later, the fuselage was simply re-optimized, and a small central wing box was added to the lower belly of the fuselage to connect the upper  Single wing changed to lower single wing.

    The second is the tail, because the advanced light transport platform plans to use a T-shaped vertical tail to reduce the structural weight and increase the loading and unloading flexibility of the tail rear hatch.

    However, Ascendas Group has never had a T-type vertical tail in previous aircraft models. Now that it has Y-6a for verification, it is simply added.

    After such changes, there is no trace of the Y-6a on the entire aircraft. It can be said to be a brand new aircraft. It is obviously inappropriate to use the Y-6a as the code name, but I can't think of anything else at the moment.  The name was first replaced by Plateau Eagle pro.

    Of course, this process has not been smooth sailing. It has experienced many twists and turns. After all, too many methods have been adopted.Due to the new technology, the stability of the aircraft was not high in the early stage. Coupled with the preliminary test of the fly-by-wire control system, it encountered many failures at the beginning.

    The most serious incident was that not long after the plane took off, the fuselage began to shake uncontrollably. Fortunately, the test pilot stayed calm and made an emergency landing in a farmland not far from the airport. This did not cause a major accident.  .

    As for the minor faults, there are countless. Otherwise, it would take Ascendas Group almost two years to complete the optimization of the entire model.

    By the time it is designated as a cooperative model by the Royal Thai Aerospace Industries Corporation, the parameters obtained have been roughly determined:

    The fuselage is 14.4 meters long, the wingspan is 16.2 meters, the height is 4.2 meters, the maximum take-off weight is 4.9 tons, and the maximum load is 2.3 tons.

    It uses a 1,200 shaft horsepower Soar Power d-40ml turboprop engine, or a Pratt & Whitney pt6 turboprop engine of the same power, giving it a maximum flight altitude of 9,452 meters and a maximum flight speed of 443 kilometers per hour.

    The maximum range when empty is 3,200 kilometers, and when fully loaded with fuel, the maximum range is 2,480 kilometers.

    The interior of the cabin adopts a modular design, which can be arranged according to different mission requirements: a 14-seat passenger type; a nine-seat business type; an eight-seat business type with a bathroom; and a six-seat luxury type with a bathroom.

    And other different types of mixed passenger and cargo transport and pure cargo transport.

    Not to mention the flight quality, the use of Honeywell's avionics system and the fly-by-wire control system specially developed by the Flight Control Research Institute makes the entire aircraft very maneuverable. After being driven by the Thai Royal Highness for the first time  In his original words: "It's very light, very soft, and provides quick feedback. In some aspects, it is not inferior to some fighter jets."

    Now, what has just completed its rolling motion in the sky is the top version of the TM-9 Siamese Eagle ordered by His Royal Highness the Crown Prince of Thailand. Seeing that all the expected flight display actions are completed, the two pilots Xue Qiang and Qin Yibin will fly  As the car of His Royal Highness the Crown Prince of Thailand returned and landed, Zhuang Jianye took a long breath, turned to look at Alondo beside him, and nodded slightly.

    Alondo smiled tacitly, and immediately turned around and left the stands. When the car of His Royal Highness the Crown Prince of Thailand landed on the runway and slowly parked on the apron nearby, Alondo immediately stood in front of the plane, facing the crowd of people surrounding it.  The media reporter cleared his throat: "I am here to announce something important. Just an hour ago, Royal Thai Airways reached an agreement with us to invest US$150 million to purchase twenty TM-9 aircraft.  That is to say, in the near future, ordinary people in Southeast Asia will also be able to enjoy top-notch services on high-end private business jets.¡±

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