The engine of our domestic aircraft was sanctioned again.
Although this time it was sanctioned, it was not a domestic large aircraft C919, but it is also worthy of our attention, because if you cannot fully realize the domestic production of the engine in terms of civil aircraft, you cannot fully realize the domestic production of the engine.Then Chinas large aircraft may never develop forever.
1. Xinzhou 700 urgently needs "Chinese heart"
This time, the domestic aircraft that was sanctioned by the engine was Xinzhou 700.
This is a turboprop branch passenger plane. It was developed by the aviation industry to the west.60 two technologies with very mature branch passenger planes.
Xinzhou 700 is relatively larger, more environmentally friendly, and more economic. It is the famous Q400 passenger aircraft of Bombardier, Canada.
Xinzhou 700 actually completed the static test as early as four years ago!It is to let the passenger aircraft simulate flying on the ground, so as to verify the structural strength of the passenger aircraft. When the static test is completed, then the next test flight test.
Four years have passed, but the Xinzhou 700 is unable to fly first. Do you know why?
This is because the aviation engine of Xinzhou 700 was stuck around the neck. In the beginning, Xifei and Canada The engine company talked about the engine procurement contract. At that time, the PW150C turboprop engine was used.
However, when Hewlett -Packard was preparing to implement the contract, the engine company was acquired, and the acquisition was the United States Thor.
Thunder God is a US military engineering complex. It is the American politician standing behind it. Because of this, the United States has delayed the delivery of the PW150C turbine engine indefinitely.
Because Xinzhou 700 is a model that focuses on environmental protection and economic benefits. If you want to achieve the above two points, you must install an excellent aviation engine, the PW150C turbine engineIts the most suitable choice.
Xinzhou 700 can take up to 86 people at most, and can sail 2700 kilometers farther.So Xinzhou 700 is a very promising branch passenger aircraft.
Xinzhou 700 takes six years for research and development. When this model performs a static test, Xifei has ordered PW150C turbopoly engine to include inclusive companies.
To know that at that time, HP has not been acquired by Thor, and everyone must know that Canada is a hardcore younger brother in the United States.
The difficulty of buying aviation engines from Canada is not only purchased directly from the United States. Because of the safety review problem, the PW150C turboprop engine procurement plan has been delayed multiple times.Dragged and dragged to the end of HP into Thors assets. Through the method of equity replacement, it was finally merged into a large company. This is the American Ray Shen technology.
Seeing this, I believe many people must be confused. In recent years, Chinese domestic aviation engines have improved their rapid progress, even C919 has been, and even C919 is all.Its about to get on CJ1000A, so why dont Xinzhou 700 use a domestic engine?
The answer to this question is simple, because the turboprop engine has a technical barrier. If you want to achieve technical breakthroughs, you can do it if you talk about it!
2. Core key technology of the turboprop engine
The turboprop engine is the propeller engine that we often call. In everyones impression, the turbine aircraft seems to be the product of the last century.
Yes!In 1903, the first human aircraft was born, and it was a propeller aircraft.
It has a long history and does not mean that technology is backward. With the development of the times, coriander engines are also developing and progressing, and have achieved great achievements.Many people will have such misunderstandings that propeller aircraft are not as good as jet aircraft. This is actually a wrong point of view. The structure of the two is different and the application scenarios are different. Naturally, there is no comparability.
In fact, the working principle of the turboprop engine and the jet engine has some similarities. Of course, the most important part of the former is the turboprop.Proportion, so that the new boat 700 can soar in the blue sky.
Most of the branch aircraft used to use coriander, because it is the best cost-effective.
my countrys coriander engine starts late, the technology is backward, and my countrys turbofan engine has strong technology, but the turboprop engine is relatively weak.
This is also related to the development path of turboprop engine. The main development direction of my countrys aviation engines in the early days is the turboprop engine, but as the turbofan engine becomes more and more It is important, the priority of the turb engine is lowered.
In addition, my country first developed its own coriander engine family through imitation Soviet products, such as types of turboprop five and coriander six.However, the Soviet turbopher engine itself is not as good as that of Europe, America and Western countries, so from the beginning, the turboprop engine in my country is backward. The most important thing is that this backward gap is quite large.
3. Chinas AEP500 turboprop engine
Domestic-producedThe AEP500 turboprop engine was first debuted in 2022. At that time, the engine was still in the technical verification stage and was still in PPT state.From research and development to production from R & D 500 engine, from test flight to obtaining aviation certification, it takes at least six years. The AEP500 turboprop engine will only be available in about 2028.
In this way, the fate of my countrys Xinzhou 700 passenger aircraft is much bumpy than C919. Although they have used Western engines, C919 has not been stuck in the neck.
Xinzhou 700 has been released, but it has been unable to be commercial. It has to be said that in order to curb Chinas development, the United States really does not spare no effort and cant wait to close the country!
C919s engine problem is the same. C919 uses turbofan engines, which originally used in Europe and the United StatesThe technology itself is stronger than the turboprop engine, so the progress of the CJ1000A is faster than the AEP500 turboprop engine.
In 2008, the Yangtze River 1000A has been ignited. The technical aspect has been fully verified. Two years ago, the 1000A turbofan engine of the Yangtze River began to work for availability.
The average time of the engine evidence collection is two to three years. If there are special circumstances, it is also possible for four or five years.It is about to come out.
At that time, it was when the domestic large aircraft C919 used the "Chinese heart". As for the "China Heart of Xinzhou 700", I still need to wait patiently for a while!
So what do you think about this, please leave a message in the comment area and talk about your point!
