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Chapter 1068 New Medium Thrust Aviation Engine

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    Seeing the confused look on the head of the headquarters, Zhuang Jianye didn't know anything about the two combat modes of the FBC-1A fighter-bomber. The Northwest Aviation Factory has not reported it yet.

    But no matter whether they think the two combat modes are too monotonous and want to add a few more to make the report more beautiful; or they want to give their superiors a big surprise and have some thrilling little accidents, Zhuang Jianye doesn't care.  On.

    Didn't you look at the head of the headquarters' 10,000-word self-reflection? If you don't show off your own capabilities, let alone the funding and policies related to laser products, look at the appearance of the head of the headquarters, can you do the 10,000-word self-reflection?  Whether it can be blocked is still unknown.

    So Zhuang Jianye put the Northwest Aviation Factory aside without saying a word, and nodded at the frowning head of the headquarters: "Yes, chief, it is the Attack Leopard, because compared to the FBC-1A fighter-bomber submitted previously,  In its basic form, the Attack Leopard is equipped with the WD-62suv medium thrust turbofan engine, which is better than the WD-62sm. The thrust-to-weight ratio is increased from 6.5 of the original WD-62sm to 8 of the WD-62suv, making the engine's cruise thrust reach 5.8.  tons, the normal maximum thrust is 6.5 tons, and the afterburner thrust reaches 8.8 tons.¡±

    After a series of indicators came out from Zhuang Jianye's mouth, the head of the headquarters couldn't help but be surprised. Other military leaders who knew a little bit about aero engines were full of disbelief.

    Some leaders even hurried to the rear of the aircraft, or even lay down in the air intake and looked directly in.

    No way, these leaders really want to see what this medium-thrust aeroengine with a thrust-to-weight ratio of 8 looks like.

    You must know that the value of thrust-to-weight ratio 8 contains too many meanings. The most direct thing is that the mass of the entire engine is much lighter than the previously reported wd-62sm.

    Because the afterburning thrust of wd-62sm is 9 tons, although this value is greater than the 8.8 tons of afterburning thrust of wd-62suv, it cannot be said that wd-62sm is stronger than wd-62suv. After all, wd-62sm  The thrust-to-weight ratio is only 6.5, and the weight of the entire machine reaches 1385 kg.

    The weight of the wd-62suv is only a mere 1100 kilograms, which is a full 285 kilograms lighter than the wd-62sm. The weight reduction of the two units is 570 kilograms.

    It is heavier than each GSN-500 joint standoff precision strike weapon.

    In other words, the energy density of the wd-62suv engine is greater and the unit thrust is stronger. Even though the afterburning thrust is 0.2 tons less than that of the wd-62sm, in terms of comprehensive weight reduction and unit efficiency, the two are basically the same.  Not on the same level.

    What's more, in addition to the afterburning thrust, the normal maximum thrust and cruise thrust of the WD-62suv are much higher than that of the WD-62SM. As for the original Spey MK202 turbofan engine of the FBC-1 fighter-bomber, it is even more incomparable.  .

    You must know that the weight of a single engine of the Spey mk202 turbofan engine is as high as 1850 kilograms.

    Compared with the Spey, the weight reduction of the wd-62suv engine alone reaches 750 kilograms, and the double engine is a full 1.5 tons.

    The engine alone can reduce the weight of the FBC-1A fighter-bomber by 1.5 tons compared with the old model, which is tantamount to a plug-in for the aircraft.

    ?This is indeed the case.

    The original version of the fbc-1a fighter-bomber using the wd-62sm aero engine has the ability to carry 8 tons of ammunition. When executing a high-altitude attack profile, the combat radius is 1860 kilometers.

    When executing a low-low, full-super low-altitude attack profile, the combat radius is 1,187 kilometers.

    Don¡¯t underestimate the 8-ton ammunition. The domestic H-6 bomber has a maximum bomb load of only 9 tons, which is what it calls a bomber.

    The Su-30mkk fighter-bomber imported from Russia only has a maximum load of 8 tons.

    Therefore, when the original version of the fbc-1a fighter-bomber using the wd-62sm aero engine was submitted, both the headquarters and the navy and air force were very satisfied with the indicators of the prototype version.

    It is believed that the emergence of a domestic fighter-bomber that can carry up to 8 tons of bombs, has an average combat radius of 1,500 kilometers, can perform a variety of ground attack missions, and is completely autonomous and controllable will be of great help to the navy and air force's aviation capability building and multi-mission execution.  Ability plays a decisive role.

    What I didn¡¯t expect was that what was originally supposed to be a wd-62sm engine turned out to be a wd-62suv aero engine, and the maximum bomb load of 8 tons increased to 12 tons.

    From this, two models were formed, the so-called prototype version and Attack Leopard.

    To be honest, if he hadn¡¯t seen it with his own eyes and heard it with his own ears, it would be difficult for the head of the headquarters to believe that all this is true.

    Not to mention the head of the headquarters, even Zhuang Jianye did not expect that the prototype version of the project would come out to be the Attack Leopard. There was no way, it was not that they really wanted to hide a big surprise for their superiors, but the high-end version of Ascendas Group's second-generation core machine.  The 11-megawatt core engine achieved a breakthrough, and the new generation of medium-thrust engine developed on this basis immediately became a new benchmark.

    In contrast, usingThe second-generation low-end version of the 6-megawatt core machine, the wd-62sm, is actually just an improved version of the Spey mk202.

    The fan, compressor, and even the afterburner are all copied from the SPEI mk202. However, the combustion chamber and the high and low pressure turbines use Ascendas Group's 6-megawatt core engine, which increases the temperature in front of the turbine, thus achieving the same results as SPEY.  While the thrust of the original mk202 was increased, the quality of the entire machine was significantly reduced.

    In addition, the indicators of wd-62sm are not much higher than those of Spey mk202. It is no exaggeration to say that wd-62sm is the domestic imitation version of Spey mk202.

    Because of this, the main production plant of wd-62sm was placed in the engine production plant affiliated to Northwest Aviation Plant. Ascendas Group did not produce large-scale production, but was only responsible for the manufacturing of supporting 6-megawatt core engines. At best, it was only important for wd-62sm.  Just an accessories supplier.

    In contrast, the wd-62suv aero engine is different.

    This is the core military engine of Ascendas Group at present, and it is the main driving force for many military combat aircraft developed by Ascendas Group, including JJ-7MAX, jzb-119, Zhenlong, etc.

    Even when the third-generation core aircraft matures, part of the third-generation core aircraft technology will be transplanted to the wd-62suv aero engine, striving to increase the thrust-to-weight ratio to 9 or even 11, thus providing power for the next generation of medium-sized combat aircraft.  lay the foundation.

    Therefore, WD-62suv can be said to be the biological son of Ascendas Group.

    Since the biological son has been born, wd-62sm, which was passed on to others, should give way.

    Although the Northwest Aviation Factory expressed objections to Ascendas Group¡¯s idea, after all, replacing a combat aircraft with an aero engine is not like changing a wheel on a toy car. It requires a lot of engineering rationalization calculations.

    Thanks to the Ascendas Group's preparations, the size and size of the engine are not much different from those of the wd-62sm. It can be successfully installed on the fbc-1a fighter-bomber without much modification to the aircraft.

    ¡°Then¡­Then the Northwest Aviation Factory was captured again by the law of truth.

    The fbc-1a fighter-bomber equipped with wd-62suv immediately experienced a qualitative improvement. Not only did the bomb load increase from the previous 8 tons to 9.5 tons, but thanks to the excellent fuel consumption control of wd-62suv, the range was also increased compared to the original model.  32%.

    Because of this, the Strike Leopard has a combat radius of up to 2,200 kilometers when performing full-fuel, full-load, high-altitude, long-range profile attack missions.

    When the entire flight is at ultra-low altitude, the combat radius is 1,364 kilometers.

    Of course, depending on the mission, the amount of ammunition and fuel can be slightly increased or decreased. After all, the internal fuel of the FBC-1A fighter-bomber can reach 6.2 tons when fully loaded.

    Reducing the amount of fuel by 1.5 tons and adding it to the weapon load to reach a full load of 12 tons is just a mounting model of combat mode.

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