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Volume 1 090 Flying Leopard Completely Transformed into Three Generations

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    Qi Yiming didn't tell him why he was invited to Xifei before he arrived, but he was completely shocked after he went there.

    XAC is now the busiest among all aircraft companies, and it is also the company that has diverted the most red-alert engineers from Qi Yiming. Not only do they have to complete the digestion and absorption of Feibao, they also have to complete the work of Yun-8, Yun-8 and  The production of Y-9, Y-12, Y-20 and other types of transport aircraft is coupled with the development and absorption of special aircraft such as early warning aircraft, tankers, anti-submarine aircraft, etc. The company is extremely busy.

    Among the state-owned enterprises that have obtained the various technical information provided by Qi Yiming, the ones that have made the fastest progress are the R&D enterprises of heavy industrial equipment such as the first and second heavy industrial equipment. They have certain technical reserves and the difficulty of imitation is relatively low.  Red Alert engineers check the standards and have begun to provide large presses, smelting equipment, etc. to many companies.  Next in line is the 617 Factory, an enterprising army equipment enterprise. The Rhino tanks they produce have begun to be delivered to other countries for use. On this basis, they have begun to develop the light tank Grizzly and the MBT-2000 heavily modified Rhino II tank.  developed.

    And Xi Fei has always been quiet, but this time Qi Yiming's eyes almost fell out of shock.

    They actually transformed Fei Bao themselves.  Moreover, they were carrying out this work with the support of the Air Force. Qi Yiming had almost never heard of this news before.

    A large number of Red Alert engineers with full technical experience, together with the engineering and technical personnel who originally worked on XAC's Flying Leopard, were not satisfied with copying the Flying Leopard from the beginning. The Air Force Equipment Department also issued a warning on the Flying Leopard very early.  Modify the technical requirements of Feibao to differ from HNA version.  The Flying Leopard has obvious maritime characteristics since its birth. Its main combat advantage lies in its ability to mount a variety of anti-ship missiles and skim seas at low altitudes to raid large enemy fleets. Its relatively conservative design is suitable for use in relatively complex terrain.  The weather conditions are not so advantageous for the Air Force.

    From Qi Yiming¡¯s timeline, it can be seen that Feibao served as a warrior after entering Hainan Airlines, and he had been involved in major accidents under the Air Force one after another.

    At the beginning, the Air Force Equipment Department hoped that XAC could make the Flying Leopard into a two-seat parallel fighter-bomber. If possible, add a variable sweep wing system to improve its low-altitude performance, and use better engines to improve performance.  Bomb load and range.  At first glance, this seems to be an imitation of the Su-24, and according to Qi Yiming's evaluation, it goes against the times.  He admitted that there were many problems with the design of the Flying Leopard, but precision strike outside the defense zone was the only way out for the future development of combat bombers. It was unbelievable that some people actually wanted to go back and develop a two-seat parallel connection and variable sweep wings.

    However, this request was stopped after Qi Yiming provided the Air Force with the first batch of 16 H-6Ks, with a combat radius of 3,500 kilometers, a bomb load of 12 tons, and the ability to carry 6 Changjian-10 cruise missiles with a range of 2,000 kilometers.  missiles, and the Changjian-10 is also capable of carrying nuclear warheads, so the Air Force wisely believes that it is meaningless to build a two-seat parallel flying leopard with variable sweep wings.

    The Air Force had a lot of funds, and after the reorganization and layoff of personnel, it felt that it was relatively surplus. There was no point in keeping it, so the restless Air Force Equipment Department once again flew west and issued a second improvement plan for the Air Force version of the Flying Leopard.  , the goal is still to distinguish HNA Feibao, the specific significance is questionable.  This time the Air Force is a little more fashionable and wants to develop a dual-mission heavy-duty Flying Leopard.

    Hainan Airlines will definitely begin to equip the heavy air superiority fighter F-14 in 2086. Qi Yiming is still vague about the Air Force version of the heavy air superiority fighter. The J-10 is powerful and can conquer the world, but after all, it is a bit small.  Compared with the F-14, it is still a bit weaker. The Air Force, which does not want to lose its momentum, does not have the strength to develop a new heavy-duty air superiority aircraft, but it should not be a problem to make some magic modifications with the help of the Feibao platform.

    It turned out that XAC¡¯s engineers didn¡¯t know what a dual-mission fighter looked like, so they went to consult the red alert engineers who had recently joined the company.  Red Alert engineers pulled out some information on the F-15E and Su-30 directly from the database, and put it in front of everyone and said that this is a dual-mission fighter.

    Huang Dawei, general manager of XAC, felt as if he had found a treasure and immediately made the decision: "Compared with these two aircraft, let's change it to the Flying Leopard!"

    To modify the dual-mission aircraft, the Feibao was almost chopped into pieces and reassembled. The workload was quite heavy, but everyone at XAC was very motivated and the project went relatively smoothly.

    Our country's North Korean engineers are very capable of reverse engineering and copycatting. In the past, there was no one to imitate, so the starting point was low. Now a group of engineers, large and small, are comparing the F-15E and Su-30 to modify the Flying Leopard. Although it sounds quite ridiculous, but people  It really happened.  Many people think that enlarging the airframe and grafting aircraft parts is a mockery of engineering, but in fact this kind of thing happens frequently.  Let¡¯s not talk about it remotely, let¡¯s just say that the F-20 Tiger Shark fighter jet is actually the product of this kind of grafting, and the Super Seven, which is no longer possible in this dimension, is actually the plan of grafting the J-7 to other aircraft.

    ? ?First, a group of engineers adjusted the flat head of the Flying Leopard to be larger, and the canopy was also changed to a two-trunk type to improve the aircraft's visibility.  The basic model even eliminates the back seat. When viewed from the side, the cockpit has undergone relatively big changes and appears fuller.  In addition, the F-15E's adjustable external pressure four-wave air inlets are installed on both sides of the nose. The wing is still an upper single wing, but the dihedral angle is canceled due to the unstable layout.  What¡¯s even more unscrupulous is that because the original Flying Leopard¡¯s wing root has fillets, the outer wing has aerodynamic twisting, and the wing blades and leading edge serrations are very conservative and backward designs, the wings of the new Flying Leopard are basically grafted  For the Su-30's wing, the large area vertical tail has also been changed to two 90-degree double vertical tails. The flat tail area has also been increased and changed to a full-motion type. Almost everything is for aerodynamics.  In Qi Yiming's view, the new aerodynamic shape is somewhat of a trap. It does not absorb the excellent wing-body fusion of the Soviet fighter jets, nor does it have the fixed-curvature leading-edge tapered twist of the F-15. It is relatively safe and practical.  designed.

    The two Spey engines were abandoned and replaced directly with two WS-10D (a simplified version of WS-10A, which reduced its own weight and thrust, with a thrust-to-weight ratio of 120 kN and a thrust-to-weight ratio of 7.6).  In addition, the modifications to the belly position are relatively large. This is because the masters of the copycat project have integrated the F-15 pylon design.  Two light-load hardpoints are arranged under the inlet, mainly for hanging pods. A pair of bulging conformal fuel tanks are also attached to both sides of the inlet. A total of 6 light-load hardpoints are installed on them, mainly for hanging pods.  Various weapons under 250kg.  The center of the air inlet is the heavy load mounting point for the auxiliary fuel tank.  The two main wings are also heavy-load mounting points near the conformal fuel tanks. With the composite pylon, one auxiliary fuel tank plus two air-to-air missiles can usually be hung.  Because the Modified Flying Leopard has wingtip pylons, two short-range air-to-air missiles can also be hung there.

    This kind of bomb-mounted layout is almost a complete copy of the F-15E. Compared with the HNA version's main parallel-mounted under-wing layout, the tandem-mounted resistance is much smaller.  However, relatively speaking, the HNA version of the Flying Leopard is stronger for carrying large anti-ship missiles. Basically, this new type of modified Flying Leopard is mainly used to mount small and medium-sized guided bombs under 500 kilograms during ground attacks.  It is not designed to carry anti-ship missiles.

    Changing the engine, changing the bomb layout, changing the aerodynamics, adding conformal fuel tanks and other improvements have directly enabled the new Flying Leopard to have a maximum range of 4,200 kilometers, a maximum load of 10.5 tons, and a maximum airspeed of 2.2.  Mach.  The larger radar also provides the new Feibao with greater room for improvement of the avionics system. There was originally an idea to install the same AESA as the J-10, but considering the cost issue, the prototype used the domestically produced 1474 all-weather multi-purpose Doppler.  Le pulse radar, targeting targets with RCS = 5 square meters, has an upward-looking detection range of 180 kilometers and a downward-looking detection range of 110 kilometers. The parameters are not much worse than the F-15 using APG-63.  It is said that XAC originally planned to obtain the more powerful AWG-9 radar from Hughes Company by leveraging Shenyang Aircraft's style of improving the F-14. However, as the funds were still insufficient, XAC chose the 1474 radar.  Fortunately, because the electronic level of the new base-produced radar is relatively high and the degree of digitization is better, the response is faster than the current radar of the APG-63 family.

    Of course, because the changes were too drastic, the Modified Leopard was sent back to the wind tunnel just like a new aircraft, and everything had to be redone.  Fortunately, the level of a group of Red Alert engineers is relatively high, and some of the technologies brought by the Red Alert base are also very mature. From avionics to flight control systems, engines to weapon systems, they are all ready-made, and there is no need for designers to  No matter what kind of exploration was carried out, most of the flaws that emerged were small flaws that were relatively easy to improve, and there were not as many twists and turns as the original Feibao from design to completion.

    It can be seen that in the aviation industry, technical reserves and R&D experience are very valuable assets. With a group of technical personnel and a large amount of reserve information provided by the Red Alert Base, the country's aviation industry can quickly form a set of specifications and condense  Come up with your own model.

    Since a large number of designs came from copycats, coupled with the paperless, all-digital design environment, it only took more than seven months from the new design drawing to the prototype. Qi Yiming had to work for Xi  The efficiency of Feiyi designers is amazing.

    When Qi Yiming came to Yan Liang's test airfield and saw this magically modified fighter jet codenamed "Flying Cloud Leopard" and model JH-7B, he had a deeper understanding of the power of the Red Alert engineers.

    Leopard B looks almost incompatible with Leopard A. Its appearance is already a standard third-generation aerodynamic shape, and the concept of conservatism has been forgotten. I don¡¯t even know who is so heartless.  The prototype was painted in leopard print, which made Qi Yiming's balls ache.

    The test flight of the prototype went very smoothly. After the Leopard B took off, it simply performed some routine maneuvers in the air without retracting its landing gear. It seemed relatively smooth and there were no major problems.  Qi Yiming also feels that this aircraft is basically a thing built by a group of people with mature technology. It is not considered brand new, and the progress will be relatively fast.

    It¡¯s just that Qi Yiming didn¡¯tIt turns out that there is no technical difficulty, but new troubles have arisen in other aspects.
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