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Chapter 911 NB-233, the most luxurious machine

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    Yes, Crildo¡¯s face was filled with disbelief at this moment. Not only him, but also the other executives of the Brazilian Aerospace Industry Corporation were shocked by the palm-sized Y-shaped aircraft engine fuel injector in front of them.

    ¡°There¡¯s no way around it, this fuel nozzle is so amazing that they, senior people in the aviation industry, have been knocking on it for a long time but they still can¡¯t figure out how this thing is made.

    You must know that usually, no matter what the shape and structure of an aircraft engine fuel nozzle is, the number of parts is generally between 22 and 28. Although the materials of each part are different, they are basically made of titanium alloy or magnesium alloy.  Quality alloy material.

    Therefore, in terms of weight control, it can only be said to be passable, not excellent.

    But the Y-shaped structure aero-engine fuel nozzle Lin Guanghua gave them was different. Not only was it much lighter than the traditional fuel nozzle, but more importantly, the whole thing was built in an integrated manner, so that it could not be seen on the surface.  There are traces of the assembly of parts.

    What does this mean?

    Starting from a young age, Ascendas Group has mastered a new technology of advanced aviation engine fuel nozzles.

    Speaking more broadly, Ascendas Group has made disruptive innovations in high-end precision manufacturing.

    "This may not be obvious to laymen, but Creerdo and others are veterans who have been in the aviation industry for many years. As the saying goes, laymen see the excitement, and experts know the rules.

    Although aircraft engine fuel nozzles are not as difficult to manufacture as turbine blades, if you want to make something composed of more than 20 parts in an integrated way, the things involved are also unimaginable.

    Not to mention other things, the internal structure of the fuel nozzle is very unique, involving fuel control, pressure output and other components. If not, how could so many giants not know the benefits of integration after studying it for so many years?  As a result, he often oversimplified the complexity and ended up with an assembled product with more than 20 parts?

    It¡¯s not that I don¡¯t want to, it¡¯s that I simply can¡¯t do it. Integrated manufacturing is good, but the question is how to take into account the internal structure?

    It is such a problem that has plagued giants for half a century. Ascendas Group has not only solved it, but also looks at the products in hand. It is very mature. Not only is the appearance impeccable, but the internal structure is also extremely delicate.

    "This is one of the most important supporting products for our Ascendas Group's new generation aeroengine. We call it a laser additive integrated fuel nozzle. Of course, this scientific name is too convoluted, so we gave it a more appropriate name.  It¡¯s called a 3D printing nozzle¡­¡±

    Looking at the shocked and different eyes of Creldo and others, and the desire to explore and learn, Lin Guanghua pulled a knowing smile from the corner of his mouth and began to slowly introduce this 3D printing nozzle.

    In fact, Lin Guanghua is right. The 3D printing nozzle is indeed an important component of the Ascendas Group's new generation aeroengine, but he also has reservations. That is, the Thunderbolt-120 long-endurance UAV using this 3D printing nozzle is actually  It is just a comprehensive test and verification platform for next-generation aero-engine supporting technologies created by Ascendas Group.

    There is no way to do this. The acquisition of an aviation technology must be fully experimentally verified in order to obtain sufficient supporting demonstration data.

    Superpowers like the United States and the Soviet Union are wealthy and powerful and can act unscrupulously on experimental verification machines. China obviously does not have such conditions.

    When it comes to the Ascendas Group, it cannot compare with monsters like the United States and the Soviet Union. The problem is that some aviation demonstrations rely solely on wind tunnel tests, and it is difficult to obtain accurate data through computer simulations. The usual test verification machines are not only expensive, but  The practicality is not strong yet.

    Not to mention anything else, Tengfei Jitu built 5 of the "Science Fiction Star" experimental verification aircraft for the airborne electronic equipment and fly-by-wire control of Project 10 a few years ago, and then nothing more.

    So far, this model is the model with the worst sales performance of Ascendas Group. Apart from its overbearing appearance, it is basically a money-loser.

    If Ascendas Group continues on this path of no return, such a big company will go bankrupt sooner or later.

    Therefore, after careful consideration by Zhuang Jianye and others, Ascendas Group took a different approach and used the large-scale unmanned aerial vehicle platform as the main model for experimental verification, and supplemented it with the existing two "Science Fiction Star" experimental verification aircraft to build an unmanned and manned aircraft.  test verification system.

    In recent years, the flight verification of many large projects of Ascendas Group has basically been completed using the ty-6 large UAV platform. If a special structure is required, it can be quickly modified. In short, for Ascendas Group, which started out as a drone,  Playing with drones is a breeze.

    Take this time to demonstrate the advanced configuration of a new generation of aero-enginesAs for components, Ascendas Group installed many advanced aviation engine components, including 3D printed fuel nozzles, on a wd-48j high-power turboprop engine and integrated it into the ty-6 large-scale  On the drone platform.

    After nearly half a year of testing and adjustment, the wd-48j high-power turboprop engine used for testing has become more mature, especially in terms of fuel saving, reaching a new height, thus allowing the ty-6 large UAV to transform from the original  The battery life of 48 hours has been increased to 120 hours.

    Based on this, the Thunderbolt-120 was born.

    Of course, Lin Guanghua wouldn¡¯t talk about the past of these Thunderbolt-120s as guinea pigs. Otherwise, if such a good experimental product bah, how can it be sold at a high price if it is a customized product that is made with all the effort?

    Therefore, Lin Guanghua¡¯s focus is entirely on the unique performance of 3D printing nozzles, which parts are saved by 95%, which weight is reduced by 84%, which fuel usage is increased by 55%, which comprehensive fuel consumption is reduced by 43%, and which overall performance  An increase of 27% and so on, this 3D fuel nozzle can hardly be said to be a rare treasure that is hard to find in the sky and hard to find on the ground.

    ?????????? I heard that Creerdo and the others were stunned for a while.

    Fortunately, Creerdo is not an ordinary person. Although he was almost fainted by Lin Guanghua who started talking, he still maintained a clear mind in his heart, and relied on this clear mind to firmly grasp the key points of Lin Guanghua's words, and waited for Lin Guanghua to speak.  My tongue was dry, and I filled the thermos cup with wolfberry berries to moisten my throat. I immediately asked: "Mr. Lin, what is the 3D printing equipment you just mentioned? Does Ascendas Group have any finished products?"

    "Ah~~That is a special high-end aviation precision processing equipment that we spent 8 years trying to build. The model is called nb-233!"

    "I wonder if there is any possibility of transfer in Tengfei?" Creldo asked shamelessly.

    "Of course, but" Lin Guanghua nodded without hesitation, but stopped mid-sentence. This made Creeldo a little anxious: "Is there any inconvenience?"

    Lin Guanghua hesitated, but still frowned and said in embarrassment: "No, the main reason is that the production cost of this thing is too high. To use an inappropriate metaphor, if ordinary machines are general supplies, then our nb-233 is the part of the machine.  The most luxurious one among luxury goods, the cost alone cost us US$800 million, alas we can hardly afford it anymore!"

    After hearing this, Creeldo's eyes suddenly lit up and he immediately asked: "Then can we take a look at this nb-233?"

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