I ask you to build tractors, but you build rockets?

Class B base.

The B4043 aircraft landed lightly on the runway, and then the nose of the aircraft folded upwards and opened, revealing the wooden boxes of various sizes stacked inside. Then, they were carefully lifted off one by one by the forklift that had been waiting here and placed on the transfer truck in the factory.

Serev stood next to the plane in his shirt and hands behind his back, communicating with Zeng Hongwei and Yang Wei, deputy chief engineers of Tengyun Engineering of the Third Institute.

These different cargo boxes were loaded onto the plane from different places such as Fengtian, Chang'an, Qianzhou, and Shanghai. They were accompanied by technicians sent by the manufacturer, who sat in the large crew cabin on the back of the transport aircraft and took off together. Got here.

The larger cargo box contains the tail fin, rudder surface, landing gear hydraulic system, etc. The smaller cargo box contains the fuselage electronic equipment and sensors. Except for the main fuselage and engine, almost all other components are here.

Of course, the Rongcheng Institute also undertook part of the parts development task, but it was not that troublesome for them to transport it directly by truck, and Yang Wei even came to help in person.

Technical support personnel who have flown in from all over the country are getting off the plane to form a team, once again emphasizing the confidentiality and discipline of the base. Fortunately, those who can come here are considered "reliable" and do not need to be too vigilant.

"All parts of Tengyun's prototype are available. We will spend half a month for final assembly, half a month to a month for ground testing, and then make the first flight in time for the National Day."

Zeng Hongwei had no objection to Serev's time arrangement. Not only was the latter the chief engineer, but he also knew exactly how fast the Tengyun project was progressing.

After sending the model to Chang'an for blowing in the wind tunnel, the base built two full-scale static test prototypes in May and June, and then scrapped them all in July.

The trial production task of prototype parts was issued after the TP25 engine prototype passed the test in April. After four months of waiting, all qualified parts were finally obtained.

The TP-25 has also completed the mass production of the first batch of 12 units. One of them performed extremely well when used on the No-Reconnaissance 20 at the desert base. He also believed that there would be no major failures.

But Yang Wei was a little hesitant:

"The Tengyun project is too advanced. This is SSTO. Do you want us to build another scaled prototype?"

Zeng Hongwei: "Don't worry about technical problems. In fact, the sooner Tengyun enters service, the better. With him, our manned space missions will be much cheaper. After all, this is a... non-military project."

Yang Wei: "But didn't the military say they would find a way to use the Tengyun Project as a first-level aircraft to send a 30-ton small space shuttle up there?"

Zeng Hongwei: “That’s the next project.”

Although the current design of the Tengyun Project is a single-stage entry into orbit, the space agency and the military have subsequently proposed an improvement suggestion: make minor modifications to its body and continue to carry a small rocket on its back like the original Tengyun Project first stage. Or a small space shuttle that can carry larger payloads into space cheaply.

This is very similar to the "Lightning" launch method, but the advantage is that the load coefficient is higher and there is no need to abandon the fuel tank. It can send a 30-ton space shuttle or a 20-ton satellite into orbit, which is relatively more convenient and concealed.

The 2.8-ton payload of a single-stage rail entry is a bit useless, and its practicality is not as good as manned transportation.

Seeing the two chatting about the subsequent evolution of the Tengyun Project, Serev suddenly interjected:

"Do you know about МГ-19 (MR-19)?"

The two did not understand the pronunciation of Cyrillic letters, and Serev explained:

"In 1974, the alliance planned to develop aerospace vehicles. At that time, there were several routes for American space shuttles and aerospace planes. Tupolev proposed the Tu-2000 aerospace plane, and Myasishev's plan was the MR-19 nuclear power All aerospace aircraft are SSTO single-stage into orbit.

By replacing the combustion chamber part of the turbine and ramjet engine with nuclear power and using liquid hydrogen as fuel, a 40-ton payload can be sent up with a take-off mass of 500 tons. If we revive it, the take-off mass can be reduced to 350 to 400 tons. "

"..."

"..."

"Don't worry about nuclear contamination. Its principle is different from that of A100. Hydrogen atoms will not be radioactive when ejected. Moreover, due to nuclear power, it can repeatedly enter the atmosphere and then enter orbit, and the speed can reach Mach 15 or above. It is very ideal. Military aircraft.”

Yang Wei subconsciously thought that this sounded too difficult, but when he thought about it carefully... Xinyuan's nuclear propulsion technology is quite strong. It seems that it is really possible?

He shook his head quickly when he thought about nuclear reactors racing through the atmosphere at Mach 15.

Zeng Hongwei also opened his eyes wide. Just let the nuclear aircraft fly in space, but don't bring it to the earth. Every second this ghost thing is in the sky, it is stirring up the nerves of the national defense air forces of all countries.

“Mr.

…

Moon.

"Deng, Li, can this console be placed here?"

Rayana was holding a half-person-high comprehensive science experiment table and tool cabinet, hesitating as to where to put it.

"Just put it next to the support legs, and I'll put the rover down first."

Li Wei is putting down the second lunar rover to prepare for the second exploration mission outside the vehicle.

As for what Deng Lei is doing? Deng Lei is looking for a location to shoot a promotional conference.

He drove the first lunar rover to a small hill to find a suitable angle, then set up broadcasting equipment and forwarded it to Xin'an for publicity, then appeared on camera to take photos, and then cleaned up an hour later.

The mission schedule of Tianmu-2 is still very tight. It has to complete three out-of-vehicle missions in 48 hours. The first one is basically for advertising and moving supplies to prepare, and the second and third times are for exploration.

Fortunately, this time, the subsequent Sky Curtain series tasks are basically supported by United Mining. Every step taken must be economical. The materials consumed can basically be regarded as the property of United Mining. Those are allocated by the company. It's true that time is money.

Li Wei quickly put down the "Red Rabbit 02" lunar rover. The new spacesuit and the gravity environment made him quite flexible. After driving the lunar rover a little distance, he and Reina placed the equipment together.

Originally, there was an Explorer robot near the mine, but unfortunately, the robot lost contact after a moonlit night a week before the mission was launched. It may have "died", or it may have been stuck in a pit and could not get out. The signal was blocked again.

The mechanical structure of the Explorer series is not outstanding. The price of flexibility is the rapid loss of life. The loss of one is not surprising.

After analyzing the Shuguang-3 mission, Li Wei felt that the assistance provided by the robot was quite large. If he had known earlier, he would have replaced one of the two lunar rovers with a robot, since the weight is about the same.

When the three astronauts had almost finished their work and had left the capsule for five hours, Li Wei took out a handheld camera from the tool bag on his waist, pointed it at the earth with only a hint of blue exposed, and pressed the shutter.