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Two months later, a huge monster with a length of more than 80 meters, a wingspan of less than 60 meters, and a height of 15 meters stopped quietly at the starting point of the runway of the Great Desert Space Center. At the same time, nearly a hundred people Our expert technical and ground handling teams are inspecting the aerospace plane in all aspects to ensure the condition of the plane.

That's right, this behemoth is the product of their Tiangong Technology's in-depth transformation of the Phoenix-2 aircraft in the past two months, the Phoenix-kt2 medium-sized aerospace plane.

Like the previous Phoenix-kt1, this aerospace plane can take off and land from the ground like a normal plane, and fly like a normal plane in the atmosphere, and it can also break through the atmosphere and enter space.

And due to Tiangong Technology's technological progress in pulse detonation rocket engines and plasma and isotope engines, the design data of this aircraft is already higher than the data previously scheduled by Tiangong Technology.

Take the highest orbit that this aerospace plane can reach as an example. With full fuel and full power, it can completely reach the height of the forbidden orbit of the earth, that is, the height of 36,000 kilometers. If you install more If it can carry more electricity, its flying altitude will be higher, even if it directly reaches the lunar orbit, it is not difficult.

In addition, the carrying capacity of this aerospace plane is also very powerful. It can transport up to about 120 tons of cargo to the low earth orbit, and the carrying capacity of the medium orbit is that of Tiangong Technology. The orbiting plane where the Ziwei space station is located can transport up to 70 tons of materials. As for the high orbit, that is, the geosynchronous orbit, it can transport up to 40 tons of goods at one time.

In addition, in addition to the cargo compartment, this aerospace plane also has a huge passenger cabin, just behind the cockpit, which has ten seats, that is, in addition to carrying cargo, plus the cabin in the cockpit Three astronauts, this aerospace plane can carry 13 astronauts into the sky at one time.

At this time, Zhao Feng and the other two astronauts, who were wearing an exoskeleton-style spacesuit, were confidently walking towards the Phoenix-kt2 medium-sized aerospace plane developed by Tiangong Technology. The first test flight will be done by them.

Of course, the same as the previous test flight of the aerospace plane, this Phoenix-kt2 aerospace plane, for the first time test flight, will not directly conduct space flight. Like other aircraft, the first test flight will only test the normal take-off and landing of this plane. ability.

Only after the take-off and landing capabilities of this aircraft are confirmed, more difficult test flights will be carried out, such as various actions when flying in the atmosphere, and then supersonic and supersonic flight, and limit speed flight in the atmosphere, etc. .

Only when all these subjects are completed, will the more difficult aerospace flight be carried out.

But even if all the flight test subjects in the atmosphere are completed,

This aircraft will not directly conduct test flights in medium and high orbits, but will conduct test flights in low orbits first, and then test flights in medium and high orbits.

In short, like the previous test flight, the test flight of this aerospace aircraft is also gradual.

As the best astronaut of Tiangong Technology, Zhao Feng is also the best test pilot. Of course, he will do his part to work on such a test flight.

Soon, the inspection of the aircraft was completed, so under the command of the control tower, he directly turned on the pulse engine horsepower to the maximum, and the aerospace plane immediately began to taxi, and at the same time, two downward jets Flame's auxiliary engine, or vertical take-off and landing engine, also started to work.

Although this aerospace plane has been equipped with two vertical take-off and landing engines thanks to the efforts of Tiangong scientific and technological personnel, but because the weight of this aerospace plane is too large, it is impossible to carry out operations when it is on the earth. Vertical take-off and landing, but when the plane is taking off and landing, especially when taking off, these two vertical take-off and landing engines can greatly shorten the running distance of the plane.

According to the calculations of the research and development personnel of Tiangong Technology, if these two vertical take-off and landing engines are not used, the taxiing distance of this aircraft must reach at least six to seven kilometers. The sliding distance can be shortened by at least half.

In other words, with two engines, this aerospace plane can take off as long as it runs about three kilometers.

However, after the plane took off, the speed of the plane reached the level of subsonic speed in just one or two minutes. However, since there was no supersonic flight test subject in the flight test subjects, after reaching subsonic speed, Zhao Feng had to let The plane maintained this speed, and then according to the flight test subjects, it began to circle over the East China Sea. After a few minutes, it became a phoenix.

Of course, when landing, due to the existence of the vertical take-off and landing engine, Zhao Feng clearly felt that the landing of the plane became more stable and easier to control.

Most importantly, its running distance after landing is also shorter, which makes him trust Tiangong Technology's technology even more.

After the first test flight, Wang Bin and the others immediately conducted a series of inspections on the aircraft, and completed the inspection of the aircraft in just one night. After the inspections showed no problems, a new flight test was arranged immediately the next day. Like the first test flight before, this test flight was still conducted by Zhao Feng and his crew.

In the next few days, Zhao Feng would carry out the flight test almost every day, while Wang Bin and others would inspect the plane every night. In less than two weeks, Wang Bin and the others completed all the test flights in the atmosphere. suject.

The completion of the flight test subjects in the atmosphere means that the flight test subjects of aerospace flight are about to start.

In this regard, Wang Bin and the others were very cautious. After all the test subjects in the atmosphere were completed, Wang Bin and the others immediately conducted a comprehensive inspection of the aircraft, including a series of large and small parts such as the engine block. Even small screws are not spared.

For this reason, Wang Bin and the others directly spent three days. You must know that they only spent two weeks on all the previous test subjects in the atmosphere. How careful.

After confirming that there were no problems, the flight test subject of breaking through the atmosphere finally started. After take-off, Zhao Feng directly turned off the vertical take-off engine of the aircraft, closed the engine compartment door of the vertical take-off and landing engine, and then pushed the power of the main engine to maximum.

The speed of the plane, driven by the engine, rose rapidly, and soon reached the maximum speed of the Phoenix-kt1 aircraft in the atmosphere, and the speed of the plane was still increasing. Zhao Feng was not surprised by this.

Due to the engine of this aircraft, and the engine of the previous Phoenix-kt1 aerospace plane is even better, the acceleration and maximum speed in the atmosphere are also far higher than the Phoenix-kt1 aerospace plane.