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Chapter 418 Model: Yun 6

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    "After research, we found that your new model of aircraft is very suitable for flying in high-altitude areas." After entering the lounge and taking a seat, several servicemen brought several cups of hot tea. Wu Changcheng took a sip before continuing the introduction.  Regarding the situation of the troops: "Our Air Force believes that once this aircraft can be successfully developed, it will qualitatively improve our army's logistics support capabilities in plateau areas, especially in Tibetan border areas"

    Then Wu Changcheng talked about the intentions of the Air Force chief and the thoughts of several of their review expert groups.

    Tibetan areas, especially the border areas in the south of Tibetan areas, are not only often affected by border situations, but also have extremely backward economic levels. Take the southernmost counties for example. It has been more than 30 years since the founding of the People's Republic of China. There is not even a road to the outside world.  nothing.

    This has resulted in frequent shortages of supplies for the border officers and soldiers stationed here all year round, and it has also been difficult to ensure the livelihood of local residents.

    It¡¯s better in the summer, as mules, horses and livestock can transport some salt, grain, medicine and other supplies from the hinterland of Tibetan areas along the winding mountain roads.

    But in winter, heavy snow closes the mountains, and several counties in the southern region are completely cut off from transportation links with the hinterland of Tibetan areas.

    Normally, it doesn¡¯t matter. I am just afraid of uncertain events such as natural disasters and man-made disasters. Let¡¯s not talk about man-made disasters. I am located on the border. You can make up your mind. As for natural disasters, they happen from time to time. Cutting off land transportation at this time is equivalent to cutting off land transportation.  Life channel.

    Therefore, air transportation has shouldered the important task of maintaining connections in the southern region and opening up life channels.

    But it is precisely this problem that has troubled the country for a long time. The reason is that there is really no aircraft in the country that can fly over mountains 7,000 meters above sea level and land accurately in southern Tibetan areas.

    Therefore, since the 1960s, China has been using the legacy of the external self-defense counterattack to deter man-made disasters; but it is really powerless to deal with natural disasters.

    It was not until the introduction of the S-70 "Black Hawk" helicopter from the United States in the 1980s that it was able to deliver winter supplies to southern Tibetan areas for the first time.

    But having it does not mean that it can completely solve the problem. The first S-70 "Black Hawk" helicopters introduced were only 24 in total, which was insufficient in quantity.

    Secondly, although the S-70 "Black Hawk" helicopter can fly on the plateau, it is based on a powerful turboshaft engine, but the other supporting facilities do not meet this condition. The most typical one is the supply of the S-70 "Black Hawk" helicopter.  Oxygen and heating facilities are so scarce that the pilots of the S-70 "Black Hawk" helicopters have to wear thick aviation suits and oxygen masks to fly over high-altitude mountains of more than 7,000 meters to and from southern Tibetan areas.  and the hinterland of Tibetan areas.

    Finally, no matter how powerful the S-70 "Black Hawk" helicopter is, it is still a helicopter. Not only does it have a short natural range, but it is also not very capable of resisting turbulence in high-altitude mountainous areas. Therefore, each mission requires several transitions before it can reach the destination.  Enter the mission advance base.

    During the execution of the mission, great risks were taken. There was even an accident in which a plane crashed and killed two people the year before last, causing great losses.

    All these factors make the Air Force urgently need a vehicle that can carry a certain amount of cargo, has a certain long-distance flight capability, has the basic performance of flying over high-altitude mountainous areas with a practical ceiling of more than 8,000 meters, and can take off freely on a simple runway of several hundred meters.  Landing fixed-wing, low-cost, multi-purpose small transport aircraft.

    As the main aircraft type for supply transportation to southern Tibetan areas.

    If these requirements are placed inland, Laoyun 5 can easily complete them, but once they reach the plateau, these indicators are not as demanding.

    You must know that meeting these conditions at the same time cannot be solved by simply increasing the engine horsepower. If it were that simple, the Allied Hump Route during World War II would not be called a death transport line by pilots.

    ¡°It¡¯s actually because the Himalayas are not only high in altitude, but the internal turbulence is also extremely complex, and you may be involved if you are not careful.

    At the least, it can make the flight attitude of the aircraft unstable, and in serious cases, it can directly freeze the moving parts of the aircraft. If there is no efficient and fast de-icing system, the aircraft will immediately fall like a lump of ice.

    In addition, due to the low temperature and lack of oxygen in high-altitude areas, how to solve the basic oxygen supply and temperature control is also a problem.

    Of course, there is also a highly adaptable short take-off and landing capability. The hinterland of Tibetan areas is okay. The terrain in southern Tibet is complex and materials are scarce. At most, a sandy and gravel flat land of several hundred meters long can be leveled, and this is still in summer.

    In winter, the mountains are closed by heavy snow, and even such flat land is difficult to find, so you can only take off and land on the snowfield.

    This requires the aircraft to be extremely adaptable.

    Such a difficult indicator is difficult to achieve not only in China, but also in the world., either it has short take-off and landing capabilities, but its carrying capacity and practical ceiling are not up to standard; it is a medium-sized runway that can easily exceed 10,000 meters in flight altitude, but has a take-off and landing distance of at least one thousand meters.

    ¡°In short, there is no one that can meet the requirements of the Air Force.

    Just when the Air Force was preparing to wait for another two years to see if there would be a suitable aircraft model to perform this task in the 1990s, Wu Changcheng, Ding Laixiang and others submitted the basic information of the improved Y-5 to the Air Force.

    Several air force chiefs took a look and realized that this is what they have wanted over the years. It has a load capacity of 1.8 tons, a maximum flight distance of 1,500 kilometers, and a practical ceiling of 7,500 meters.

    The most important thing is that the improved Y-5 pioneered the application of key technologies for plateau flight such as rapid de-icing of the wing, pressurized cabin and air circulation.

    What¡¯s even better is that this aircraft has completely inherited the excellent short take-off and landing performance of the Lao Yun 5, which is enough to take off and land on the complex terrain in southern Tibetan areas.

    Of course, although the basic performance of the improved Y-5 satisfies the Air Force chiefs, some detailed indicators still make them feel a little unsatisfactory. The first is the practical ceiling. 7,500 meters is not low, but if you know the same southern Tibetan area  Many of the mountains in China have an altitude of over 7,000 meters. This practical ceiling is a bit childish, so it is best to be able to reach over 8,000 meters, so as not to fly against the top of the mountain.

    The second is the range. 1,500 meters is still a little short. If it can be increased to more than 2,200 kilometers, you can fly directly from the capital of Tibetan areas to Medog in the southern Tibetan areas without refueling.  Take off easily and return to the Tibetan capital.

    "If these two points can be achieved, then the troops can reduce the investment in military stations along the southern Tibetan area, and can take off directly from the capital of the Tibetan area to provide support to the southern Tibetan area. Based on this, we feel that the improved Y-5 has already followed the lead.  The Y-5 doesn¡¯t have much to do with it, so when the Air Force chief came over for investigation not long ago, several of us proposed that the improved Y-5 be officially renamed the Y-6, and the Air Force chief agreed in principle.¡±

    Wu Changcheng looked at Zhuang Jianye opposite: "For this reason, the Air Force is preparing to transfer funds to assist your Ascendas Corporation in further improving the Y-6 research. If everything meets the requirements of the Air Force, I cannot guarantee that the purchase of forty aircraft will be  I think the scale is not a problem.¡±

    The models were all renamed, and the funds were given very happily. The most important thing was that they did not shy away from the purchase quantity. What could Zhuang Jianye say? He simply patted his chest and said righteously: "Air Force chiefs, please rest assured. I represent Ascendas Airlines."  The manufacturing company has made a statement to ensure that the development of the Y-6 is completed with quality and quantity in accordance with the requirements of the Air Force."

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