Chapter 246

After receiving the command, the robot skillfully took two red apples to clean, then quickly separated the pulp and core with a knife, and then put the pulp into the juicer. The whole process took less than two minutes, and the robot took the juice from one hand to one cup.

"Thank you! Good taste! Oh, here is the cup Lei Tiantang takes the juice and drinks it in one breath, and then hands the cup to the robot in front of him with a smile.

"You are satisfied! I'm glad to be of service to you! " The robot showed a happy expression and went back to wash with the cup.

"Good! Let's start with that! At present, I am still very satisfied. The overall design has also met the requirements I proposed at the beginning. You send me the detailed design drawing of the robot, and I will study it carefully after I go back. If there is any problem, I will contact you again!

I've just come back, and I'm going to see what's going on elsewhere in the company! How's your situation? I think the laboratory is still empty. How long will it take for the equipment to be fully installed? " Lei Tiantang asked.

"It is estimated that all the equipment can be completed years ago at most. The main reason is that a lot of equipment needs to be customized, and the equipment manufacturers need time to produce, so the installation progress has been affected. However, since the decoration has been basically completed, all the employees of the company have moved to work.

The factory of the first phase project has been basically completed, but at present, only the factory responsible for the robot project has installed production lines. Other factories have to wait for the company to have other production needs before choosing which production line to install. " Kong Yuxiao introduced.

"That's good. All the old factories of the material company over there will be transferred to the security company! How is your rocket design going? " Lei Tiantang asked.

It has been half a year since calculation. Lei Tiantang also knows that it is impossible to make a rocket at this time. However, there should be some progress in the design work. After all, he spent so much money to recruit experts related to the rocket project.

"The rocket design work started to enter the fast lane only after the company had supercomputers. In the early stage, we recruited very few experts. Although everyone in the back recruited almost the same amount, it took a long time to learn from the information provided by the boss and the team running in.

Now the overall design of the rocket has just entered the middle stage. The overall design of the rocket has a plan, but there are still many problems to be solved.

As the boss asked us to directly benchmark the Falcon 9 rocket, the general performance requirements of our rocket will be very high. After all, their rocket has been continuously designed and modified for many years to achieve the current performance, and the level of experts and researchers is much higher than the experts we have recruited.

Therefore, although we have all studied the information provided by the boss, and our experience has been greatly improved, we still have insufficient experience in designing such a complex and advanced rocket for the first time. It is also with the help of supercomputer that our design ability has made a breakthrough.

But our experts and researchers have never been in the field of rocket recycling before, so now this problem is the biggest problem that bothers us Kong Yu explained with a smile.

"What is their situation now?" Lei Tiantang frowned and asked. He didn't expect the progress of rocket design to be so slow.

"At present, the laboratory has just discussed and passed the rocket recycling scheme, and is preparing to carry out specific design work. I would like to briefly introduce what they told me.

The rocket is a disposable vehicle, and every trip to space is a process of self sacrifice. This situation leads to the high cost of rocket launch, so in recent years, many Aerospace powers are competing to study rocket recycling technology, so that the rocket can be reused, so that the cost can be reduced. However, there are many difficulties to overcome in rocket recycling.

At present, there are three main ways of rocket recovery, which are parachute recovery, vertical return and wing flying back. Different rocket recovery methods, different characteristics, their difficulty is also different.

Among them, the difficulty of parachute recovery is the lowest, the technology maturity is the highest, and the impact on carrying capacity loss and design is the least. The most difficult problem of parachute recovery is that the rocket cannot land at a fixed point, and the terrain facing the land has requirements. The rocket can land on the sea and land, and can also be recovered by helicopter in the air. However, if the rocket lands on land, the terrain of the rocket landing area is relatively flat.

The rocket engine with vertical recovery needs to be restarted when returning, and propellant must be reserved, which has a great loss to the rocket carrying capacity. The biggest problem of vertical recovery is that the rocket engine must be started many times, and it also needs to have a large range of thrust adjustment ability.

Because in the process of rocket return and descent, the engine needs to start again to slow down and adjust the impact point, and because of the structural overload problem, it is necessary to adjust the thrust of the engine to meet the needs of overload.

Secondly, in the recovery process, the rocket speed, descent attitude and landing accuracy should be controlled with high precision. In addition, landing legs need to be added.

Flying back with wings is to use aerodynamic force to glide and land like an airplane. Therefore, not only the taxiway is needed, but also the wings and landing gears of the rocket need to be added, so as to increase the extra weight, which will have a certain loss to the rocket carrying capacity. The biggest difficulty of flying back with wing is that, firstly, the structure of wing and landing gear is added, which has great influence on the overall design of rocket.Secondly, the requirements of return control technology are high, and the rocket needs to land on the runway at a fixed point; in addition, the design requirements for the whole structure layout are high, such as where the new wings and landing gear are most suitable to be installed in the rocket, which has the least impact on the overall rocket.

After a comprehensive comparison of these rocket recycling methods, we still agreed to design our company's rocket with the vertical recycling method. It's not that we have to be the same as Falcon 9, but according to the results of a variety of data comparison, I think their Falcon 9 rocket has also had such consideration!

Of course, even if the recycling method of this kind of rocket is determined, there are many difficulties in the design. For the design of rocket engine and the design of rocket recovery platform, we have no experience in this field, so we can only come step by step! " Kong Yu explained with a smile.

"Well, there seems to be a long way to go! However, the design of the rocket is really not in a hurry. When designing this thing, all possible situations should be taken into account as far as possible, otherwise problems will be caused when launching!

Is there any other problem besides design? " Lei Tiantang asked.

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