982 Large transport helicopter with performance index "666" (6/7)
"In this case, let's come up with a design plan first, and demonstrate that this project will be a key project after the year. Seeing that Xie Kai was determined to do this, Zheng Yucheng made a decision without principle.
It is also good to have a professional armed helicopter to fill the gap in domestic weapons and equipment.
Now that we are about to enter December, this year is about to pass again.
At present, the base's financial budget for the next year is about to be released, and it is much better to determine it at this time than to wait for the budget to come out and increase new project expenditures.
"Director Zheng, then our previous research project ......" Feng Zhibiao was not satisfied.
Zheng Yucheng immediately frowned.
Xie Kai never knew about the situation of the helicopter project at the base, so he couldn't help asking, "Mr. Feng, what did you do before?"
"There was no special project before, which was to modify the defects of the Z-7. Originally, in order to ensure the smooth development of the Z-7 project, a large number of mature technologies were adopted using the Z-5 and Z-6. Even many parts are parts of the Z-5 and Z-6 that are used......" Zeng Guangping introduced.
With his introduction, Xie Kai understood that Zheng Yucheng and these old guys did not have a clear goal at all in order to restore the prosperity of the former 404.
Just to fill a gap in the field of base research.
After bringing the Z-7 team over, there was no clear direction, and the main job of the hundreds of people in the entire team was to solve the defects of the original Z-7.
For example, the Z-7 has backward performance and reduced practicability due to the extensive use of domestic mature technology, and even the body structure is seriously overweight.
In fact, it is still improved on the basis of the Z-7, and there are no new projects.
"How's it going?" Xie Kai asked.
Feng Zhibiao and the others were silent.
Seeing their demeanor, Xie Kai also knew what was going on.
The base did not pay enough attention, the entire project team was not very well funded, and there was no clear direction for the research, and the main problem was to solve the obvious defect of overweight structure.
As for the advanced nature and practicality, it has not been solved much.
"Let's stop for that. Wang Guilin sighed.
Fortunately, the continuous research of the Z-7 team can be regarded as a good foundation.
"I don't think it's necessary to give up first, it's best to continue researching. The Z-7 is the first heavy-duty helicopter with a capacity of more than 10 tons in China, and its performance is backward and can be improved; as for the overweight structure, the structure can be optimized and replaced by more advanced materials; and the practicability is this, in the future battlefield situation, the heavy transport helicopter can quickly put the troops into the ......battlefield," Xie Kai said.
Zheng Yucheng wanted to stop it, but was stopped by Wang Guilin.
Since Xie Kai said this, he must have his own ideas.
Whether it is a super wasp or a dolphin, the maximum take-off weight is not very high.
Domestic heavy transport helicopters, indeed, are still a blank.
"In fact, the Z-7 is very widely used, whether it is used in the high temperature environment in the south or in the southwest plateau...... At present, only the civilian version of the Black Hawk imported from the United States has good plateau performance. Xie Kai said.
The technical performance level of the Z-7 is similar to that of the Y-10 they took over.
From taking over the Y-10 to the present, three years have passed, more than 600 million funds have been smashed in, and the technical performance of the Y-10 is still not completely mature, so don't you have to continue to research?
In order to, isn't it to keep the country from stopping?
If Zheng Yucheng hadn't brought the Z-7 project over, Xie Kai wouldn't have had any interest.
Anyway, now that the base has a lot of money and doesn't spend it, can it be handed over to the state and handed over to other units to build staff dormitories, or will it simply be used as entertainment expenses?
The Z-7 has been engaged in domestic work for more than ten years, and the only large helicopter that can carry platoon-level troops has to make way for the Z-8 because of financial problems.
With money, there is no need to let the Z-7 continue its original fate.
Otherwise, when the troops are in need in the future, but there is no such helicopter in China, at that time, the military will have money, and they will have to buy it from abroad.
This money cannot be earned by foreign helicopter manufacturing companies.
"It's not very useful. If it is a quick investment in the troops, the Y-10 wide-body transport aircraft is more suitable, isn't it?" Zheng Yucheng did not waste money on this project.
"The Z-7 is really not of much use, and China has introduced a super wasp from France. The Z-8 is making good progress right now. Wang Guilin also reminded Xie Kai.
In fact, the base really doesn't want to invest too much foundation in the Z-7.
Congenital technology is weak, and it is not even as easy to improve it as it is to design a new model.
Seeing that Zheng Yucheng and Wang Guilin both disagreed, Feng Zhibiao, who brought up this matter, was worried that it would affect the armed helicopter project, so he hurriedly spoke, "In fact, it is indeed very difficult to improve the Z-7, even if you learn some of the technology of the Z-8 and use some electronic equipment of the Z-8, it is difficult to improve the performance." The difference between the two helicopters in terms of load and flight performance is not too great. ”
The Z-8 is also a large helicopter of more than ten tons.
However, Xie Kai clearly knows that the Z-8 has a fatal flaw.
Whether it is the performance of plateau use, or used as an anti-submarine or aspect, the performance is insufficient.
"I'll just ask, can Z-8 be used on 053?" Xie Kai's words made everyone stunned.
They did not think about these problems, and did not think about the introduction of the Z-8 from France, which was originally for the Navy.
"The Z-8 can't get on a small warship like 053 at all. And large warships, how many of them do we have now?052 like that, can the Z-8 go up?" Xie Kai's question made it impossible for anyone else to refute.
The 053H3 tail section needs to be equipped with a helicopter.
Whether it is used for anti-submarine, reconnaissance, or personnel search and rescue, the Z-8 cannot go up at all.
Too much weight!
"If it is a utility helicopter, this would have been a French helicopter of the sixties, and the performance is too far behind. If a carrier-based transport helicopter used for amphibious operations has such a carrying capacity, will it be feasible? It will only be able to lift a jeep like the 212. ”
Xie Kai's words were extremely sharp.
No one can refute it.
"What do you think?" Zheng Yucheng's brows were completely twisted into a Sichuan character.
He didn't know what Xie Kai wanted to do.
It was Xie Kai who didn't let the base do too many projects, and now it's also Xie Kai who let the base do more projects.
"Continue to improve the Z-7, but this does not need to be considered too much, we can consider more uses, whether it is an anti-submarine helicopter as a large warship, or a carrier-based transport helicopter used in amphibious operations, or even plateau performance, etc., we need to consider. Xie Kai said.
Since the previous research on Z-7 did not have a clear performance index and direction, let's take one.
Moving towards the goal, such research is not only conducive to the improvement of technology, but also allows researchers to understand what needs to be made up.
"Improve technical indicators?" even Feng Zhibiao felt a little embarrassed.
It is indeed not easy for the Z-7 to improve the technical performance indicators.
"It has to be improved. And it should be able to be used on the Qinghai-Tibet Plateau. Xie Kai said.
Only Black Hawk helicopters can go on the Qinghai-Tibet Plateau, and this thing, whether it is the price or the fact that the Americans do not want to sell more, determines that China cannot be equipped too much.
Only to make their own large helicopter transport aircraft.
"You can talk about the specific ideas. Zheng Yucheng couldn't stand Xie Kai's way of speaking.
You have to wait for someone to ask.
Everyone's time is precious.
"I think we can put forward a specific performance index, if you want to meet the plateau use, then the ceiling must be greatly increased, at least 6000 meters; and the range is insufficient, this is the current common problem of domestic helicopters, the original Z-7 prototype practical ceiling reached 6780 meters, so, this indicator has to be maintained; as for the load capacity, the maximum load capacity of the original Z-7 has reached 5670 kg, fuel weight 1830 kg...... The new model, in the case of solving the structural overweight, how can it exceed the maximum load capacity of 6,000 kilograms, right?" Xie Kai looked at everyone and said casually.
Although the performance indicators have not been improved too much, the technical requirements for the entire helicopter have not been improved.
Even Feng Zhibiao and others felt the pressure.
Zheng Yucheng stopped talking.
According to Xie Kai's approach, the Z-7 will continue to be carried out, and this will become the largest transport helicopter in China.
Is it appropriate?
"Ladies and gentlemen, I know that there are many difficulties and many technologies that need to be broken through one by one. But since we're engaged in technology development, we can't just pick up the easy ones to do. In that way, the things that come out are not only backward, but also a waste of money, so it is better not to do it. Xie Kai emphasized.
Zheng Yucheng and the others didn't speak, and Wang Guilin even secretly gave Xie Kai a thumbs up.
This kid is really cunning.
They don't directly refuse, but directly put forward higher technical difficulties and let them give up on their own.
How did he know that Xie Kai didn't want them to give up, but really wanted to figure it out, and the Z-8 had been proposing these performance indicators until the Z-8F.
If according to the original performance indicators, the Z-7 is indeed not bad, but the foundation is too poor, and it has been engaged for more than ten years, because of the choice of conservative design parameters and the use of Z-5 and Z-6 technology and components, which makes this project lose its development prospects.
But if there is a way, the country will not spend precious foreign exchange to introduce super wasps.
Xie Kai's purpose is to promote the development of engine technology for domestic helicopters. Otherwise, when you get to the back, you have to import the engine from abroad, which is to stretch your neck to someone else.
"Isn't this performance indicator too high?" Wang Guilin was a little worried.
Xie Kai did not speak, but looked at the people of the helicopter research team.
Feng Zhibiao and others also know that if they want to get more funds, they can only do it according to such indicators.
Until now, no one is sure that they can make it directly.
A little bit of performance improvement, which puts forward all the requirements for all the systems of the entire helicopter, and it can't add too much cost.