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It is precisely because the 929 is still under development at this time, so in fact, Wang Bin and his team only have the large transport aircraft of the military left for the test flight of this engine.

But in fact, there are not many models available to the military at this time. In addition to the No. 20 transport aircraft that China has just developed, it is also the 76 large military-civilian transport aircraft from the Arctic country. As for the transformation of imported civil aviation Wang Bin still didn't have this plan in mind at this time for a large airliner.

In other words, in fact, there are only two flight test subjects for Wang Bin to choose.

Thinking of this, Wang Bin didn't think too much anymore. After all, it was no longer his choice. It depended on which aircraft the military wanted to use as a test flight object, but Wang Bin still had a certain premonition in his heart. It is very likely that Fang will use the No. 20 transport aircraft produced by Huaxia itself as the object of the test flight.

But then Wang Bin felt that it was impossible. After all, the number produced by the No. 20 transport aircraft is still very high priority, so it is impossible to let it install the s003 turbofan engine for verification and test flight, so the object of the final possible test flight is still from Airplane 76 of the Arctic State.

However, within a few days, when Wang Bin was waiting a little anxiously, the test aircraft that Wang Bin was looking forward to finally arrived, and this time the aircraft that was going to be installed with Tiangong Technology's s003 turbofan engine , not the No. 76 transport plane that Wang Bin had thought before, but the No. 20 transport plane that was completely made in China.

This made Wang Bin very surprised. After all, even if the Huaxia military itself does not have many such aircraft, even if it is used by itself, it is not enough. They will actually separate one for the test flight of their Tiangong Technology's s003 turbofan engine. .

"Qiu Tuan! Unexpectedly, you are really willing to use the No. 20 aircraft for the test flight. Are you worried about any accidents?" When the plane stopped on the airport runway today, Qiu Tuan, the flight crew and several technicians When getting off the plane, Wang Bin said to Qiu Tuan in a very unexpected way.

"Mr. Wang! Originally, we planned to use the No. 76 aircraft for verification and test flights, but considering that the No. 76 aircraft is not a domestic aircraft, and its design life is already a bit long, the most important thing is that many core data of the aircraft, We also don't fully understand it, so the risk of using the No. 76 transport aircraft for verification test flights is still very high.

But this No. 20 transport aircraft is different. Since this aircraft is completely designed and manufactured by ourselves, we know all the data and performance of this aircraft clearly, so compared to using No. 76 transport aircraft The risk of using the No. 20 aircraft is much less if the proof test flight is carried out.

The most important thing is that although our No. 20 aircraft has entered the mass production stage, and the domestically produced turbofan engine with a large bypass ratio specially built for this aircraft has also entered the small-scale mass production stage,

However, its production capacity is still very limited, which greatly restricts the production speed of this aircraft. Even if some high-thrust turbofan engines with high bypass ratio are imported from abroad, it is still far from enough.

In addition, whether it is our own turbofan engine that has entered small-scale mass production or the engine imported from the Arctic country, there are some problems. After all, they will not sell their most advanced engine to Wang Bin. At the same time, in terms of price, it is outrageous.

That's why we simply took this aircraft as the test flight object for this test flight verification. As long as this engine of your Tiangong Technology can successfully test flight,

And the data has met your expected requirements, which will greatly reduce the pressure on the engine of our aircraft.

At that time, the production capacity of this aircraft will be greatly improved. It is with this in mind that we will use this aircraft for test flights.

At the same time, in order to ensure the state of the aircraft during installation and test flight, we also specially asked the manufacturer of this aircraft to send a number of technicians to cooperate with you to install the engine. "Qiu Tuan said.

With the arrival of the No. 20 transport plane, Wang Bin and the others naturally began to dismantle the original engine for this plane and install a new one. The bypass ratio turbofan engine, and the strength of the engine pylon and the wings are also sufficient, so for this aircraft, it is not necessary to carry out the inspection on the aircraft itself like the tg-s002 installed on the No. 9 aircraft. Improve.

Moreover, since this aircraft is the latest transport aircraft independently developed by Huaxia, even if Wang Bin and his Tiangong Technology want to have any thoughts about this aircraft, the military will absolutely not allow it.

It was at least a simple engine replacement. It took only three days for Wang Bin and the others to complete the replacement of the four engines of this plane.

After the installation of these engines was completed, the technicians brought by Wang Wangbin and Qiu Tuan conducted a comprehensive inspection of the aircraft, and after confirming that there were no problems, they began to test the aircraft.

As the test flight of this aircraft began, people noticed the engine of this aircraft quickly. After all, there are many people who pay attention to this aircraft, although it has been several years since this aircraft came out. But there are still many people who are paying attention to this aircraft.

So, all of a sudden, the No. 20 aircraft that was being tested for flight appeared on the entire Internet.

At the same time, many news media on the Internet, even the official news, have reported this matter one after another.

"Oh my god! What did I find? The No. 20 transport plane has actually replaced the engine, and the diameter of this turbofan engine seems to be much larger than before. At the same time, when flying, the sound of this engine , it seems to be smaller, so I don’t know the performance of this engine.”

"Yes! However, I still know a little about the manufacturer of this engine. After all, the hood of this engine obviously has the words and trademarks of Tiangong Technology, so it is obvious that this engine must be from Tiangong Technology type products."

"No! This engine is really a product of Tiangong Technology. I just went to the official website of Tiangong Technology to check it out, and found that this is really an engine developed by Tiangong Technology, and some of the engine's basic data."

"Yes! I have also seen it. According to the data of Tiangong Technology, the model of this engine is a tg-s003 turbofan engine, and the service life of this engine is very long. The first repair time can reach at least 15,000 More than 45,000 hours, the full life of the engine can reach at least 45,000 hours.

At the same time, the thrust of this engine is also very large, reaching an astonishing 30 tons or more. Although the official website does not publish the specific data of this engine, but according to the published data of more than 30 tons, it can be speculated that this The thrust of the engine is at least 31 to 32 tons.

If all these are true, then as Tiangong Technology itself said, the performance of this engine has definitely reached the level of the world's top engine. "

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