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Chapter 1429 Yun-15Mini carrier-based multi-purpose transportation platform

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    As soon as these words came out, everyone present could no longer hold back. There was no way around it. The amount of information in Tang Lili's words was too great. Many experts in the expert group and leaders of the Navy had been feeling a little out of their minds.  .

    However, Tang Lili ignored these and continued: "I just said that the core machine used by the WD-72e heavy-duty aeroengine to be applied to the FC-23 heavy carrier-based fighter is hx-30-27-c  Model is just the entry-level version of the hx-30-27 series.

    Although h-zb-600 series ceramic matrix composite materials are also used; a new nickel-based titanium rhenium niobium hafnium alloy, namely China Tengfei's Alloy  But because the core of our positioning of the WD-72e heavy-duty aeroengine is high reliability and long service life, the materials and manufacturing processes we use are mature products that have been tested for many years or are partially widely used.

    Because of this, the hx-30-27-c type does not pursue the ultimate performance, but uses the entry-level indicator of 1800 Kelvin to be used on carrier-based aircraft with extremely high reliability requirements.

    As the real backbone model of the hx-30-27 core machine, the hx-30-27-e type, the temperature in front of the turbine will further increase by 1973 Kelvin, which is 1700 degrees Celsius. We are developing an improved version of the wd-72e heavy-duty aeroengine, wd  ¡ªThe 72g cruise thrust will reach 10 tons, the afterburning thrust will be increased to 14.8 tons, the engine mass is 1.4 tons, the thrust-to-weight ratio is 10.5, and the tail nozzle is equipped with a three-dimensional vector device, which can fully meet the requirements of the next generation combat aircraft and the third generation  Requirements for the use of combat aircraft!  "

    "Comrade Tang Lili, China Takeoff has started to develop the WD-72g engine?" A navy chief asked in surprise. Not only this chief, but almost everyone else present stared at the stage with disbelief.

    Although people in the industry have been clamoring for the aviation industry to be powered first over the years, shouting slogans is one thing, whether it can be achieved is another matter. Because of this, although the industry has been focusing on increasing the development of next-generation aero engines.  They talk about it, but no one actually takes action.

    After all, some domestic units today cannot even produce ordinary high-thrust aero engines, let alone the next generation of heavy-duty aero engines with higher technical levels. Compared with such a high-investment, high-risk, long-term implementation,  Not only is it easy to talk, but it can also gain the favor of leaders and public opinion, so why not do it.

    In such a tense atmosphere, China Tengfei suddenly said that it had begun substantive development work on the next generation of aero-engines. This made many so-called experts and scholars present feel as if they had seen a ghost, and their heads were buzzing.  .

    Someone is actually investing heavily in the next generation aero-engine?

    Actually, someone really deployed to play with his mouth, but was a stuffy operation?

    ????????????????????????????????????????????????

    Oh my god, what kind of monster is China Takeoff!

    Facing the surprised looks from the audience, Tang Lili was like an insulator, completely turning a blind eye. Instead, she shook her head at the navy chief who asked the question: "In fact, we have already started the development of the WD-72g engine.  For example, for the blisk technology used in this engine, China Tengfei developed the linear friction welding process as early as fifteen years ago.

    There is also the Alloy  5870 hours.

    With the new cooling film structure created by high-temperature-resistant ceramic coating and 0.08mm ultra-precision film cooling hole technology, the wd-72g engine can operate continuously for more than 8,000 hours at a turbine front temperature of 1,700 degrees Celsius.  It can also ensure better fuel economy. According to our actual calculations, the fuel consumption rate of the wd-72g engine in the cruising state is 0.47 kilograms per hour, and the fuel consumption rate in afterburner thrust is 0.88 kilograms per hour.

    However, this is not the best fuel economy among the series of aero engines we have developed based on the hx-30-27 core aircraft. It is on the Y-15mini carrier-based multi-purpose transport platform built by our carrier-based aircraft development team for the aircraft carrier formation.  The cruise fuel consumption rate of the wd-70j-neo turboprop engine used is 0.27 kilograms per hour, but the maximum power reaches 5800 kilowatts, or 7885 horsepower; the continuous output power also has 4200 kilowatts, or 5710 horsepower.

    Of course, because of the increased power, the wd-70j-neo turboprop engine is heavier than similar models, weighing 1.2 tons. Fortunately, our power-to-weight ratio is well controlled, at 4.8, so it is completely possible.  At the remote take-off and landing point of the Kuznetsov-class aircraft carrier, it can easily rely on two wd-70j-neo turboprop engines to transport the Y-15mini carrier-based multi-purpose transport platform with an empty weight of 18.75 tons and a maximum take-off weight of 32.84 tons.  Full of oilTake it to the blue sky"

    "Comrade Tang Lili, I have to interrupt you again" Before Tang Lili could finish her words, the old expert who was the first to ask the question and who was sitting in the center of the evaluation expert group interrupted with a look of astonishment.  Tang Lili continued to introduce, and then she was a little unbelievable but more of an uncontrollable excitement. She stared at Tang Lili and asked very carefully: "The Y-15mini carrier-based multi-purpose transport platform you just mentioned  What is it used for?¡±

    "It depends on the specific plan of the Navy. Anyway, our Y-15mini carrier-based multi-purpose transportation platform is an extremely niche aviation product. Its basic positioning is similar to the U.S. Navy's C-2 Greyhound carrier-based  Transport aircraft are similar, and their adaptability is not high, so we just made a multi-purpose platform and did not carry out in-depth development. After all, we also have to consider the cost. Of course, if the target customers are willing, the Y-15mini carrier-based multi-purpose transport platform  It can fully meet the following needs"

    With that said, Tang Lili walked to the laptop in front of her, changed to a new ppt, and then pressed the remote control in her hand. The large screen behind her quickly switched between several screens, and soon it was on a short and thick body.  The real picture of the aircraft with straight wings and an integrated tail structure with four small vertical tails stopped on the screen, and then a row of small characters appeared on the screen.

    A few people with sharp eyes in the audience quickly read the fine print: "The fuselage is 18.9 meters long, the wingspan is 26.6 meters, the height is 5.56 meters, the empty weight is 18.75 tons, the maximum take-off weight is 32.84 tons, the practical ceiling is 12,000 meters, the maximum  The level flight speed is 687 kilometers per hour, the maximum range is 3,200 kilometers, and the maximum endurance time is 7.5 hours. The platform is safe and reliable. In the future, it can be used as a ship-based early warning aircraft, ship-based aerial tanker, ship-based transport aircraft, ship-based anti-submarine patrol aircraft and other special ship-based aircraft.  Aircraft modification platform"

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