Bidding farewell to this person who makes Yang Hui feel a little familiar, Yang Hui is already full of emotion, although his appearance continues to make Southwest Science and Industry stronger, but it also inevitably squeezes out the luck of some other units, which is a situation that Yang Hui has always wanted to avoid and really can't avoid.

Having said that, the person Yang Hui happened to meet just now happened to be another aero engine manufacturing unit also located in the southwest of the Republic, Jinguancheng 4020 Factory.

If you want to talk about this plant, there are all kinds of endless things, and it is also an aero engine plant built by the third line. If Liyang is to manufacture supporting engines for the fighters of the 011 base, then the 4020 factory can be said to be for the existence of the 132 factory, which is also located in Jinguancheng.

But unfortunately, after all kinds of coincidences, and then on the road of historical development, the 4020 factory slowly moved away from its original intention, not a few years after the plant was completed and put into operation, the Republic launched the Yun 10, H 8 two aircraft, their engines in the special environment at that time must require independent production.

As a result, this was the beginning of the Republic of China's imitation of the American JT3D turbofan engine, to say that the task of copying the JT3D engine, under the special circumstances at that time, was handed over to the two engine factories in the southwest of the Republic, that is, the 4020 factory and the Liyang plant for safety.

In the end, the 4020 factory successfully got the project of copying the JT3D engine and got an official military code name turbofan 8, and at the same time, given that the 4020 factory got the turbofan 8 task, and this task is quite urgent.

The state makes the decision. The production task of the 4020 factory supporting the fighter engine of the 132 factory was handed over to the Liyang factory of the 011 base at that time, which was also located in the southwest, and the Liyang plant supplied the J-7 engine needs of the two places at the same time. That is why in later generations I have not heard of the engine used in the production of the J-7 by the 4020 plant. On the contrary, all the engines of the J-7 series have become the reason for the production of one in the Liyang plant.

It stands to reason that the 4020 factory should concentrate on turbofan 8. It is a very good measure for the Liyang plant to concentrate on vortex jet 7, which maximizes the resources and capabilities of the two plants.

But the fact is that the Liyang factory relied on the work of supporting the engine for the J-7 until the new century, and Yang Hui was still continuing to produce supporting equipment when he had an accident, which made the Liyang factory have been doing quite well, at least there have always been orders.

However, the tragic 4020 factory not only did not have the task of supporting the engine for the J-7 due to other reasons later, but even the turbofan 8 engine was snatched away by the first affiliated factory of the Modu Automobile at that time. That's right, the project was snatched away by the Modu Automobile Factory, which made cars in Modu at that time. Aero engines were built before cars were built

At that time, the magic capital was still very confident, you see that this cloud ten was developed in our magic capital, and it was really inconvenient to put the engine in the western region thousands of miles away. According to the rules of our country, the engine is attached to the aircraft, and it should be matched around the aircraft research and development unit, and this turbofan 8 should be placed in our magic capital.

So, this demon didn't just grab Yun Shi. I grabbed the turbofan 8 again, and in which special era can be described as a spring breeze, but everyone knows the final result, so I won't say more.

Tragedy of the 4020 plant. lived a sad life in this way, but fortunately, there was still a country to raise the factory at that time, so naturally he did not worry about food and clothing. It was not until later that the Republic successively let the 4020 factory participate in the task of imitating the turbojet 15 engine.

This engine is the earliest engine to be used for the No. 10 project, and the situation of the No. 10 project is known to be developed in Jinguancheng. Naturally, the 4020 factory slowly got the turbojet 15 project in hand, but there were unforeseen circumstances. This turbojet-15 engine did not meet the needs of Project 10.

After Yang Hui opened his golden finger to help K8 contact the Soviet Union's Morozov Test Flight Institute, the Republic suddenly warmed up relations with the Soviet Union again, and with the Su-27 in 87 years made public, the Republic aimed at this fighter, which also had another strong contender in the republic's army not long ago to require the introduction of third-generation fighters.

Yang Hui naturally didn't know what the final decision of the country would be due to the special circumstances in this plane, but some news clearly indicated that the Republic had obtained a fighter that could be more suitable for Project 10 than the Turbojet 15.

Because the deputy director from the 4020 factory just now has told Yang Hui a piece of news: the state has launched the turbojet 15, and the No. 10 engineering engine has another machine.

This is another machine can obviously guess that the American engine is definitely impossible, and the Taihang that is now being developed in Fengtian is the genuine engine of the No. 10 project as early as possible, but according to the comparison of the time of the previous face in the Republic of China to get off the horse turbojet 15, it is obvious that the early dismount turbojet 15 is not because of Taihang.

It is more likely that the Republic has already received a high-thrust military turbofan engine in this plane in advance, which is only possible with the Soviet AL31 engine.

For this kind of thing, Yang Hui also had to feel the power of butterfly wings, first through his own instigation to let the Republic of the Soviet Union in the aviation industry two years in advance, and diplomatic thaw, and finally under various reasons unknown to Yang Hui, the Republic got the AL31 engine.

The reason why Yang Hui is not known to Yang Hui actually has a lot to do with Yang Hui, the reason why the Soviet Union is willing to provide AL31 engines to the Republic is because the Republic of China's performance in the 88 naval battle is too eye-catching.

Although it was the younger brother of the Soviet Union who was beaten on the surface, what big reaction could there be when Gorbachev came to power, but it was because the Soviet Union was taken aback by the republic's burst of combat effectiveness, and after re-examining the importance of the republic, it chose a strategy of co-optation and pacification under Gorbachev's instructions.

At this time, although the Soviet Union was still reluctant to sell the Su-27, it was relieved of the republic's unintentional proposal to purchase AL31 engines, which led to various problems later.

These matters related to the arms trade between China and the Soviet Union are naturally not known to Yang Hui, and if he does, I am afraid that this emotion will be even more profound.

These talk about the beginning and end of the military engine business of the 4020 factory, but it sounds a little embarrassing.

The reason why Yang Hui lamented the rise of Southwest Science and Industry and robbed the luck of other units at the same time is related to the years after Yang Hui arrived at Southwest Science and Industry, and the country in the seventies has nothing to do with the task of supporting the J-7 engine of the 4020 factory to the Liyang Plant.

In the previous section, the 4020 plant also did not have any military aircraft engine development tasks in the 90s, but this factory still surprisingly survived, that is because the 4020 factory seized the opportunity after the reopening, and cooperated with GM to get the CFM-56 engine logistics maintenance outsourcing project in the republic, and some other general outsourcing business together survived, and finally let the 4020 factory survive to the new sunny century.

But now the problem is big, the 4020 factory military engine business is gone, and the last face of the 4020 factory depends on the survival of the cooperation with GM, to undertake the maintenance of the CFM56 engine is also because of the exchange of interests between Southwest Science and Industry and GM last time by Southwest Science and Industry was taken by Southwest Science and Industry.

For Southwest Science and Industry, in fact, whether there are these CFM56 engine outsourcing maintenance tasks are not much impact, but what Southwest Science and Industry needs is to maintain the CFM-56 engine, more in-depth contact with the whole life service guarantee method of modern civil aviation engines, and accumulate experience for the future of CG-2000 engines.

Aero engine is not a thing that you sell and then it's all right, it's not that you don't have to care about anything when you get the money, aero engine is a complex industrial equipment, which needs to have a thoughtful life-cycle service guarantee, which is also a major indicator to be considered when civil aviation companies choose engines for their own aircraft.

The reason why so much attention is paid to life-cycle logistics maintenance is because a civil aero engine can't make a lot of money by selling it alone, and the real money is the follow-up maintenance guarantee. For example, the current GM handed over the CFM-56 engine in the Republic to Southwest Science and Industry, but I am very embarrassed, and I still have to go through GM to get it in the middle.

First of all, GM gets the engine that needs to be overhauled from the civil aviation company, and then GM will hand over the engine to Southwest Science and Industry for maintenance, and after repair, Southwest Science and Industry will give the engine to GM, and then GM will look at the maintenance situation to give Southwest Science and Industry a maintenance fund, which will not exceed the cost of GM to repair the engine in the United States.

If GM pays 100,000 US dollars to Southwest Science and Industry, GM will at least ask the civil aviation company to pay 500,000 US dollars for maintenance, and the civil aviation company will not have the slightest resistance.

This model is very profitable, right?

That's right, it looks like GM didn't have to do anything to make the bulk of the $40,000 in it. This kind of thing is well known to the three parties, but the civil aviation company just can't directly find Southwest Science and Industry to let Southwest Science and Industry repair, which must go through the hands of the two dealers of General Motors.

If the rules are violated, then sorry, any accidents with this engine in the future have nothing to do with GM, and you have to pay a large amount of liquidated damages, because when civil aviation companies buy engines, they are generally tied to sign an engine life maintenance contract.

Although it is shameless, aero engine manufacturers all over the world do this, if you don't agree, then you don't use the plane, these are the unwritten rules between the international aero engine three. (To be continued.) )