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Chapter 546 Confidence and confidence!

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    The so-called Levesmann inversion is a helicopter maneuver. After climbing to a certain height at a high angle, the nose of the aircraft changes from upward to downward, and then dives back at the opposite angle. This maneuver is internationally renowned for its thrills.

    This is a highly difficult tactical maneuver. The Levesmann maneuver uses the helicopter to jump up at high speed to get rid of enemy ground fire. When it is about to reach the peak, it rotates 180¡ã around the rotor axis, then turns back and immediately switches to a dive attack.

    This tactic is mainly to quickly switch from disengagement to re-attack under the enemy's ground firepower, reducing the enemy's attack time, forming a huge "Taishan overwhelming" situation, and creating huge psychological pressure on the enemy.  This is also a key tactic to improve combat effectiveness.

    Such an action is not something that ordinary helicopter pilots can perform. No wonder everyone cheers when they see such a wonderful action.

    As one of the test flight commanders and the person in charge of the test flight base, Liu Zhengfeng¡¯s expression changed slightly and he said loudly: ¡°What is this Feng Zhiguo doing? He¡¯s playing the piano randomly!¡±

    An officer nearby saw the political commissar getting angry and couldn't help thinking that Feng Zhiguo always liked to get carried away and deliberately showed off his tricks in front of the chief, and now he was in trouble.

    On the helicopter, Feng Zhiguo felt very happy after completing the Levismann inversion beautifully. He admired the fuel cell and motor rotor system installed on this helicopter. The Levismann inversion he had just completed was very smooth and easy.  Let him have enough fun with Zhang Zhiqiang behind him.

    While being excited, Feng Zhiguo also realized that he had been itching for a moment and had done a Levesmann reverse, and he might have gotten into trouble.

    But he has no regrets. The only fault is that the performance of the motor rotor system is too good and it is really difficult for him to control it.

    Although the weight of this Wuzhi-10 fuel cell stack plus three large and small motors is close to two tons, and its net weight reaches more than six tons, one ton heavier than the Apache helicopter, its maximum take-off weight is close to thirteen tons, and it is not  There will be a situation where the helicopter load decreases as the lift-off altitude increases, providing extremely powerful power for Wuzhishi.

    More importantly, the only noise produced by this Wuzhi-10 comes from the sound of the blades breaking through the air. The noise is almost the same as the sound of a car. People sitting in the cockpit can communicate normally without wearing headphones. This is a great pair for the Wuzhi-10.  Its concealment and combat mission capabilities have been greatly improved.

    After the beautiful Levesmann inverted, the helicopter test flight was completed, and Feng Zhiguo piloted the helicopter to land slowly in the designated area.

    After the rotor speed on the top of the helicopter gradually slowed down and finally stopped, Feng Zhiguo and another test pilot got off the plane one after another, jogged all the way over, and finally stopped and stood at attention in front of Zhang Haiping and others.

    Feng Zhiguo saluted with a military salute and then reported loudly: "Hello, leaders, the test flight has been successfully completed and everything is normal!"

    Liu Zhengfeng glared at Feng Zhiguo. He was very happy and satisfied that the test flight was successfully completed. But when Feng Zhiguo was about to complete the test flight, he had such a Levisman inversion. He didn't know that he should be happy.  You should still get angry.

    It seemed that the chief was very satisfied with this test flight, and he had no choice but to hold back his complaints.

    "Okay, very good!"

    Zhang Haiping said with a smile: "I just saw the difficult moves you two made, which shows that your driving level is very high, and it also proves that this helicopter has very good maneuverability."

    "Reporting to the chief, it is precisely because of the superior performance of this helicopter that we have the confidence to complete these difficult operations."

    Feng Zhiguo puffed out his chest and said loudly.

    Zhang Haiping smiled and said: "Captain Feng, tell me about the test flight just now. The more detailed you can be, the better."

    "Yes, Chief!"

    When Feng Zhiguo saw that the leader did not want to pursue the matter of his unauthorized and very difficult maneuvers, Feng Zhiguo recounted the entire test flight with excitement, and even kept praising how excellent this engine was and how powerful its performance was.  The technical and tactical plans that can be developed after the troops are deployed.

    Zhang Haiping also nodded frequently.

    After introducing the test flight situation, Zhang Haiping smiled and said to Liu Zhengfeng: "Continue the test flight, we must test the maximum performance of this WZ-10, provide a large amount of flight data for the development unit, and also provide flight preparation for the combat training department.  ."

    "Yes, chief. Next we will conduct a test flight in a plateau environment." Liu Zhengfeng said.

    At this time, Du Changhai, the chief designer of Wuzhishi, held Yang Jie's hand with excitement and said enthusiastically: "?Comrade Yang Jie, I am very grateful to your company for providing so much advanced equipment, so that we have such an advanced Wuzhi-10.  "

    "Mr. Du, these are all the contributions of everyone. Without Mr. Du's rich experience in aerodynamic design and the cooperation with other domestic units, it would not be possible to have such an excellent weapon and equipment. I also hope that we can work together in the future to design  Create more types of helicopters and provide more advanced weapons and equipment for our country¡¯s national defense.¡±

    Yang Jie does have such confidence. Now Huaxing Group's second-generation fuel cell technology has matured. In addition to the significant improvement in the power density of the fuel cell, the power density can now reach 3.8 kilowatts per liter.  The size and weight of the battery have also been reduced to a certain extent.

    At the same time, the electrochemistry laboratory is developing new electrode catalysts with lower iridium-cobalt alloy content. At the same time, in order to extend the life of the electrode and avoid carbon monoxide poisoning in the electrode, certain technologies have also been developed for carbon monoxide filtering catalysts at the original hydrogen inlet and air inlet.  Breakthroughs, lower-cost proton exchange membranes are also being developed, and the structure and drainage system of the fuel cell have also been optimized.

    At the same time, the electrochemical laboratory is also constantly developing hydrogen oil technology. Now 100 liters of hydrogen oil can store 12 kilograms of hydrogen. At this level, a medium-to-large car filled with 70 liters of hydrogen oil can completely run for a long time.  1000 kilometers is no problem.

    In addition, the Machine Tool Research Institute has made rapid progress in permanent magnet synchronous motor technology based on its strong technical strength in electric spindles over the years, and has made a permanent magnet motor with the highest power-to-quality ratio at this stage, which now reaches 5 kilowatts per hour.  Kilogram, the two parallel 1300 kilowatt motors installed in Wuzhishi are very small.

    It is precisely because Huaxing Group Co., Ltd. has such strong technical strength support that Wuzhishi has such a strong driving force.

    Du Changhai said happily: "Yes, with the technical support of your Huaxing Group Company, I believe we will produce more advanced helicopters!"

    Zhang Haiping heard the conversation between the two and said with a smile: "It's best if you have such confidence. Now the military needs a lot of advanced weapons and equipment."

    Armed helicopters are often called the backbone of the army, and China¡¯s domestic army needs to stand up its own solid and powerful backbone.

    And the current progress of Wuzhishi is so smooth, which really fills Zhang Haiping with strong confidence.

    In the next few days, the flight test base also conducted many test flights and completed a series of test flight subjects. The armed helicopters all showed excellent performance, which made Yang Jie very satisfied.

    After staying at the flight test base for a few days, Yang Jie also communicated with the designers of the flight test brigade and Wuhan Zhishi, especially on technology.

    Many of Yang Jie¡¯s technical insights and advanced ideas are of great interest to Du Changhai, and Yang Jie¡¯s technical attainments are extremely impressive to everyone.

    Yang Jie also visited Changhe Aviation Group Company after leaving the flight test base.

    In the huge final assembly workshop, several WZ-10 prototypes are undergoing final assembly, and the scene is spectacular.

    A helicopter flight test prototype requires at least three or more prototypes for various tests. As Wuzhishi performed well during the test flight, the military is also in urgent need of this excellent helicopter, and the helicopter manufacturer is operating at full capacity.  , full production.

    Yang Jie also personally sat in the two cockpits of Wuzhishi and felt it, which greatly satisfied his wish. Like most men, he has a strong feeling for these advanced weapons and equipment, not to mention this helicopter.  The above equipment is still provided by our own company.  (Remember the website address: www.hlnovel.com
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