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So he said: "Mr. Wang! To be honest, when designing this aircraft of Civilization, the first thing we considered was to use electricity as an energy source, that is, a rechargeable light helicopter.

"However, after we learned about the battery capacity and safety issues in the current market, we dispelled the idea in this regard. Not to mention, the energy density per kilogram of the current battery is simply unable to provide aircraft with long-term flight power. However, in terms of safety, most of the high-energy-density batteries currently on the market simply cannot meet our requirements.

After all, we are using it on the plane, not on the car on the ground. Once the plane is in flight and there is a problem with the plane, then things will be troublesome.

If the car on the ground has a problem with the battery, it can stop immediately, and the people in the car can also abandon the car and escape immediately.

However, helicopters are different. Helicopters fly in the sky. Once the battery fails, the possibility of surviving the people on the plane is basically zero.

Therefore, in the end, we did not use batteries as the power of the aircraft, but still used traditional engines as power. " Du Haili said.

"Mr. Du! Since I said it, it means that our Tiangong Technology has the technology to solve this problem, and it can meet the requirements of light helicopters in terms of safety and battery capacity. But now I just want to ask, Mr. Du, is your company interested in this aspect.

Of course, Mr. Du, I know that you will definitely not be able to give me the answer for a while. Mr. Du, you can discuss it with the shareholders or technical personnel of your company. If you have the answer and are interested, you can contact me, Mr. Du. We'll be chatting about the specifics then. "Wang Bin said.

"Okay, then I'll go back and discuss with our company's technical staff and listen to their opinions." Du Haili said.

As for what Wang Bin said about discussing with shareholders, it is not necessary for Du Haili at all, because their Kunlun Aircraft, like Wang Bin and Tiangong Technology, is a private enterprise, or a private enterprise is more appropriate. It is also the so-called unlimited company, so their company has no shareholders at all except themselves.

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Then, after the three of them chatted for a while, Mr. Lin checked the time and found that it was almost time for them to prepare for the test flight. Therefore, Wang Bin and the others immediately carried out the test before the test flight of this drone. Final checks, also started fueling the drone.

After all, it is impossible to refuel the UAV during transportation, so the fuel can only be refueled when it comes to the test flight field.

"Call test pilot No. 3, call test pilot No. 3, this is the control tower of Shifen Field, is it ready, is it ready!" Just as Wang Bin and the others had just carried out the final inspection of the drone, At the same time, when the fuel injection had just been completed, the pleasant voice of the control tower staff at the test flight field came from the intercom they received.

"Report to the control tower, the Tiangong No. 001 UAV on the third runway is ready and ready to take off at any time." After hearing the words from the control tower, Jia Jie, who was the test pilot this time, immediately replied.

At the same time, Wang Bin and others immediately turned on the various devices they were carrying and began to detect various data of the aircraft.

Sure enough, after Jia Jie answered the tower's words, the tower's voice came again from the intercom.

"Tiangong No. 001 UAV, here is the control tower. There is no aircraft in the airspace for the test flight. You can take off. Your test flight area is within 1000 meters and 50 kilometers away from the sea. I wish you a complete success in the test flight! "The pleasant voice rang through the intercom again.

"Thank you!" Jia Jie said again.

After speaking, Jia Jie turned his head towards Wang Bin, and when he saw Wang Bin nodding, he immediately pressed the button to start the plane.

As he pressed the button, the engine of the aircraft started to rotate under the traction of the internal motor, and after reaching a certain speed, it was ignited directly, and then the engine of the drone began to emit jets. the distinctive sound of the engine.

At the same time, as the sound of the jet engine began to sound, everyone in the test flight field looked at Wang Bin and the others, even the staff of the Kunlun Aircraft who were inspecting the helicopter. not excluded.

After all, because Wang Bin's drone is a jet-type large drone, when Wang Bin's drone started test flight, the test flight work of other teams was temporarily stopped by the control tower.

"Tiangong No. 001 called the tower. Tiangong No. 001 has been prepared and requested to take off." Just after the drone's engine started, Jia Jie turned on the walkie-talkie again and called the tower!

"Tiangong 001 can take off!"

Following the tower's order, Jia Jie gradually increased the fuel output of the drone, and at the same time the sound of the drone's engine also gradually increased, and the drone began to slide forward slowly, speaking more and more. Faster and faster, when the drone's sliding distance reached more than 200 meters, the drone raised its head and flew towards the sky at an almost 60-degree angle.

After all, the fuel in their Tiangong 001 UAV was not full at this time, not even one-fifth, and there was no load on board, so the plane took off naturally very easily .

As the height and speed of the drone increased, Wang Bin and his team quickly lost sight of the whole picture of the drone in the sky with the naked eye, leaving only a small black spot.

So Wang Bin and the others immediately took out the binoculars that had been prepared a long time ago, and began to use the binoculars to observe the situation of the drone. At the same time, they also looked at the screen of the laptop on the table in front of Jia Jie to check the status of the drone.

Of course, since this is the first test flight of their drone, there are no too complicated actions, just some routine operations.

Fortunately, Wang Bin's plane is a drone. If it is a manned plane, then the first test flight does not need to think about going to the sky, at most it will be a ground taxiing test.

When Wang Bin and his drone conducted a routine test flight for about five or six minutes, Wang Bin and Lin Zonggong did not find any condition of the drone, and everything met the requirements of the design data. , Wang Bin said: "Jia Jie, start flying at supersonic speed and see how this aircraft performs at supersonic speed!"

"It's Mr. Wang!" After finishing speaking, Jia Jie increased the fuel output of the aircraft again, and the thrust of the drone's engine increased again. Even at this time, the drone was already tens of thousands of meters away, ten kilometers away. At high altitude, Wang Bin and the others could also clearly hear the roar of the engine when the drone was flying.