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Chapter 1503 Word of mouth explosion

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    As soon as these words came out, the executive deputy team leader couldn't help but patted his head: "Oh, the authorities are obsessed with it, the authorities are obsessed with it, look at my brain, how could I forget the D-65F gas turbine, which is currently the most powerful one in the Navy.  Stable gas turbines, when I was in the Navy, I went to inspect the ship detachment, and the front-line turbine officers said more than once that the reliability of the D-65F gas turbine is even better than the American-made LM2500!"

    The words of the executive deputy team leader are not compliments to Zhuang Jianye. In fact, among the gas turbines currently equipped by the domestic navy, the D-65 series naval gas turbines have the highest reliability and the best stability.

    Because of this, this gas turbine is widely used in 037 series submarine hunting missile boats; 081 series minesweepers; 918 series minelayers; 053h series frigates and some ocean observation and other auxiliary ships.

    Among them, the 037 improved submarine hunter is equipped with two D-65b 6-megawatt small gas turbines with a total power of 12 megawatts and 16,092 horsepower. Compared with the original 037 powertrain of less than 15,000 horsepower, it is not only more compact, but also has greater power output.  Therefore, since the late 1980s, the Navy has upgraded the powertrains of more than 30 037 hunting submarines and replaced them with D-65b small gas turbines.

    ??The Type 0372 missile boats equipped by the troops stationed in Hong Kong Island are equipped with D-65b-max naval gas turbines.

    The maximum power is the same as the d-65b, both 6 megawatts, and the key core components are not essentially different from the d-65b. The only difference is that the d-65b control system uses a traditional mechanical hydraulic system, while the d-65b control system uses a traditional mechanical hydraulic system.  The 65b-max marine gas turbine uses a marine gas turbine digital control system developed by China Tengfei based on the digital full authority control system used in aero engines.

    It makes the control more convenient and flexible, especially in shallow water areas, and its maneuverability is no less than that of a small motorboat. Therefore, as soon as it was installed, it received unanimous praise from both inside and outside the navy.

    In particular, the Marine Police Division of the Hong Kong Island Police Department, after visiting and experiencing the driving experience of the Type 0372 missile boat, decisively eliminated the British products and signed a contract with a domestic shipyard to build a maritime patrol boat based on the improved Type 0372 missile boat.  It must be equipped with China Tengfei's D-65b-max naval gas turbine. This order alone allowed China Tengfei to sell 12 D-65b-max naval gas turbines.

    The total value exceeds HK$300 million.

    The Type 081 minesweeper uses a D-65C 8-megawatt naval gas turbine with a power output of more than 21,000 horsepower. The Type 081 minesweeper, with a full load displacement of just over a thousand tons, not only has extremely strong maneuverability and acceleration  , the ocean combat capability has also been greatly improved.

    Similarly, there is an improved 918 minelayer equipped with two D-65e 10-megawatt naval gas turbines. Thanks to different mission requirements, although the improved 918 minelayer has a full load displacement of 2,300 tons, its speed is  The requirements are not large, so two 10-megawatt gas turbines provide 26,000 horsepower, and the speed of 28 knots is more than enough.

    Compared with several other models, the one that has made China take off the most is the D-65f naval gas turbine, because it is equipped with the 053h series guided missile frigates, which are the main force of the navy's frigates.

    From the 053h2g in the mid-1990s to the later 053h3, except for the initial few ships which used four domestically produced high-power medium-speed marine diesel engines, the remaining ship types all used two D-65f 12 MW models.  The marine gas turbine provides a total power of 24 megawatts and a total output of 32,000 horsepower.

    It can propel a frigate with a full load displacement of 2,500 tons to a high speed of 32 knots and a high endurance of 18 knots and 4,500 nautical miles.

    Coupled with the excellent operability and reliability of the D-65f naval gas turbine inherited from the D-65 series, the combat effectiveness of the 053h series guided missile frigates has been greatly improved.

    Of course, it also made China Takeoff a lot of money.

    After all, as the main force of the navy, the number of ships built is very large, and the number of gas turbines used is naturally not a small number. Because of this, since the late 1990s, the production line of the naval gas turbine production plant of China Tengfei Aviation Power Co., Ltd.  It has never stopped and has been operating at nearly full capacity.

    Until the launch of the domestically produced 4,000-ton large-scale frigate in the past two years, the power performance of the D-65 series naval gas turbines could not keep up. The required 20-megawatt large-scale marine gas turbines were still not available.  The market was once again occupied by high-power marine diesel engines.

    Thus ending the ten-year glory of the D-65 series.

    Although it is somewhat regrettable, it is undeniable that the experience of using the D-65 series for more than ten years has left a very deep impression on the navy.

    In particular, China Tengfei's astonishing iteration speed and technological upgrades are absolutely visible to the naked eye. From D-65b to D-65f, it was completely step by step, and finally built a full series of medium-sized aircraft ranging from 500 tons to 2500 tons.  Complete line of marine gas turbines for small surface vessels.

    ?When the navy-related troops use it, it is like the first time a goddess uses a auntie towel with side leakage and night leakage prevention. Apart from describing it with a thoughtful and thoughtful sentence, there is really no other word that can sum it up.

    The reason for this is very simple. Not only are most of the parts used in the entire D-65 series of naval gas turbines, the related production lines also come from the same place, which makes the maintenance of the entire series of products very friendly.

    Take a certain naval exercise as an example. The power system of the Type 053h3 guided missile frigate of a certain frigate detachment suddenly failed. It was obviously too late to dock at the port for repairs. So the chief engineer had a whim and sent a 918 that was docked in the port to be returned to the factory for overhaul.  The accessories of the D-65e 10-megawatt gas turbine on the mine-laying ship were removed and used temporarily.

    Once I tried it, it turned out to be feasible.

    In the subsequent exercises, the missile frigate successfully completed various tasks and was commended by its superiors. The chief engineer who used D-65e parts to repair the D-65f was awarded second-class merit for his outstanding performance at this time.

    There are many similar situations within the Navy, so much so that many old navy engineers are as familiar with the D-65 series as the old masters at the auto repair shop are with the old Jiefang Automobile. They are as familiar with it as their own wives. What's the point?  You don't have to look to see what's wrong. You can tell where the problem is by listening, smelling, and touching.

    But precisely because of this, when the Navy's 052 guided missile destroyers and the subsequent 052b series entered service, the chief engineers who were transferred from the past were very uncomfortable.

    This is just like the crazy output of the old warm man and his wife who are used to all kinds of tacit understanding. Suddenly he is replaced by a tsundere young lady. Not to mention a look or a movement, there is no way for the other party to get it, even if she coaxes her with sweet words and is passionate.  The other party acted like a blind man, turning a blind eye to everything.

    Anyone in this situation would be particularly depressed.

    Naturally, I want to use the products of Chinese steaming in China, and one look at the tacit understanding of the car directly. Then I bring it.

    Because of this, China's D-65 series is not generally good in the navy, it is simply so good that it explodes.

    The executive deputy team leader, a professional cadre in naval leadership, naturally knows better than anyone else, but it is clear that even if the D-65f has a power of 12 megawatts, it seems to be insufficient for a large surface ship of 80,000 tons.  A little warmer.

    Before the executive deputy team leader could ask the question, Zhuang Jianye added meaningfully: "That's it. At present, we have upgraded a D-65f-plus naval gas turbine based on the D-65f. The main improvements are  The point is to increase the power, from the current 12 megawatts to 15 megawatts. Four d-71m and four d-65f-plus can provide a total power of 200 megawatts and a total output of more than 268,000 horsepower.  This level is roughly the same as the powertrain of the US Navy's 'Kitty Hawk' class aircraft carrier, which fully meets the power requirements of a large surface ship of the 80,000-ton class!"

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