Chapter 689 Do they want to buy this plane?

Both 107 Fire and 130 Fire use turbo rocket engines.

This type of rocket engine is one of the few solid rocket engines that has multiple nozzles on one engine.

Because these nozzles need to be tilted at a certain angle to provide power for the rotation of the rocket, a single nozzle is undoubtedly not enough, and two are not suitable either. These two types of rockets have 6 nozzles.

Even though there are 6 nozzles, there is only one fixed nozzle.

"Although the turbine engine is easy to spin, there is a problem. Due to the limitation of processing technology, these six tubes cannot be completely balanced. At the same time, the center of gravity of the rocket cannot be completely evenly distributed. It is not a big deal when the length of the projectile is small. When the length of the projectile is large, the slight imbalance of the tail will make the projectile more unstable."

"And in the latter part of the flight, the burned-out rocket engine will cause the center of gravity to move forward, further exacerbating the situation. And once the fuel is burned out, it can no longer provide rotational torque to achieve rotational stability. Even if the projectile has not had any problems at this time, the nutation of the long projectile will soon cause problems with the flight state of the projectile."

Here is a simple example. Rear-wheel drive cars are prone to oversteer, which is actually a similar phenomenon.

The 130 fire rotation is powered by the six nozzles at the tail. As long as these six nozzles are slightly unbalanced, the imbalance will be magnified on the long projectile.

In addition to the distribution and changes of the center of gravity of the projectile, the aspect ratio of the rocket powered by a turbo rocket engine cannot be too large, and secondly, it cannot be fired too far.

The comrades from Fenglei Factory said nothing, but just rolled up their sleeves and took notes!
What Chief Engineer Gao said are all theories and are not targeted at 130mm fire at all. This means that what we heard today can be used for 130mm fire and 180mm fire, and can even be used if we want to make new bullets in the future.

Although it has not solved what kind of bullet should be used, at least it has been made clear in theory what should not be used.

The comrades from the Fenglei Factory were working hard to acquire knowledge, while the comrades from the Defense Work Committee looked at the sky and saw that it was already very late.

Since the discussion involved a lot of estimation, reasoning, and calculations regarding actual equipment, it took a long time, and the comrades in the Defense Work Committee also had other considerations.

He said to the other comrades, "Comrades, it's getting late today. Should we call it a day? We can come back another day to consult Chief Engineer Gao."

The comrades at Fenglei Factory were a little stunned. In this day and age, do people still consider whether it is late or not when working?

Gao Zhendong didn't care: "It doesn't matter, I have time, it won't hurt to talk for a while. Comrades rarely come here, we can't do it half-heartedly and let them run around and waste their time."

The comrades of the Defense Work Committee had somewhat different ideas.

"It's not just this reason, Chief Engineer Gao. I noticed that many of what you have been talking about are theoretical issues in rocket artillery design research, or very important basic technologies. I was thinking, should we call the comrades who are working on large-caliber rockets to come over and listen together?"

The comrade from the Land Equipment Bureau also came to his senses: "Yes, yes, yes, I think it's reliable. The 107 has a short range, so it doesn't matter, but the 180... well, the range is also short, but the 180 is a planned large-caliber rocket launcher, so it is necessary to learn from it. It's not a good thing to keep it so close. We can't ask Chief Engineer Gao to explain it twice, that would be a waste of time."

To be honest, when the comrades from the Land Equipment Bureau thought of the current range of the 180, they felt that something was wrong with them.

Putting aside other things, the 130 has at least 15 kilometers now, right?

180 kilometers of 10? What a joke!
The comrades at Fenglei Factory were in high spirits and didn't want to end it like this: "We can listen to Chief Engineer Gao's talk and then relay it. Chief Engineer Gao's talk is simple and easy to understand and relay. There shouldn't be any details lost."

The comrade from the Defense Work Committee smiled and said: "It's better to listen to them in person. Their problems may not be the same as yours. If you listen to them in person, you can also ask them questions in person if you can solve some problems."

It is impossible to solve all the problems, but at least in the areas that Gao Zhendong is good at, we can ask him in person.

Comrades from the Land Equipment Bureau also think this is the case.

"Yes, yes, yes, it would be better to ask the 180 comrades to come and listen to this matter in person."

Seeing that the Defense Working Committee and the Land Equipment Bureau insisted, the comrades at the Fenglei Factory could no longer be stubborn. They couldn't just think about their own pleasure and ignore other comrades who had similar difficulties, right?
Seeing that they had reached a consensus, Gao Zhendong did not insist. This was also a good idea. It would save some time.

Gao Zhendong made an appointment with them, but it was impossible to do it the next day. It was very difficult for the comrades who were in charge of 180 fire to reach the capital in one night.

Amid the excitement of the Defense Work Committee and the Land Equipment Bureau, and a little regret and expectation of the Fenglei Factory, they bid farewell to Gao Zhendong.
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At about the same time, at the Russian family.

Linochka, holding a document and with a strange look on her face, approached the Minister.

"Comrade Minister, our comrades in the south have made a strange purchase request to us."

"Really? How strange is my Davari?" For the minister, if even the increasingly mature Linochka found something strange, it was indeed worth asking about it.

Linochka placed a document in front of him.

"They are looking to us to buy the Be-6 seaplane, which has been discontinued."

The Be-6 is a sea patrol aircraft designed and produced by the Russians after the S2. It was put into production in 49 and discontinued in 55.

We imported 55 of them in 6. They were called our most expensive aircraft at that time. How expensive was it? One of these could buy 15 MiG-15s...

But although it's expensive, the stuff is still good.

It has a range of about 5000 kilometers, a hovering time of 16 hours, and four hangers with a maximum external load capacity of 4 tons.

In terms of hard indicators, many of them are even better than its successor, the Be-12, especially in terms of range and payload.

The most amazing thing is that when a Be-6 was participating in a competition, it exploded in mid-air due to a depth charge failure and sank into the water. No one was killed and only one person was injured. What's even more amazing is that the plane was fished out a few days later and we repaired it...

Of course, this thing is not without problems. The biggest problem is the landing gear. The landing gear of this thing needs to be installed and disassembled in the water. But considering the range and payload, I guess we have to endure it.

With a hint of curiosity, the minister picked up the document and looked at it carefully: "They want 18? Vladimir, why don't they ask to buy back our production line as well?"

There are many different opinions on the specific production quantity of Be-6, but the most consistent one is that it is only between 120 and 150 aircraft. In other words, our request, plus the ones already purchased, is equivalent to directly buying one-fifth of the total number of Be-6s!

Hearing the minister's complaints, Linochka shrugged and said, "Comrade Minister, you are right. That's what they asked for at the beginning. After we rejected it, they asked to buy 18 aircraft."

The Minister was stunned for a moment. He didn't expect that Comrade Nan Fang had such a big appetite!
He looked at the document again and raised his head. "Linochka, what do you think of this?"

Linochka shook his head firmly: "I don't recommend selling them. Six are enough for them. Adding 6 more will pose a serious threat to our submarines in the Pacific."

The six existing Be-6s are deployed in Bluebird City in northern my country. Interestingly, the secret code name of the Be-6 in the 6s was exactly "Bluebird".

The Russians were very clear about the deployment location of the Be-6, and the reason was very simple - they helped survey, select a site, and expand the base. The alternative sites at that time even included Haijiao City in East Guangdong Province.

That’s right, at that time, Haijiao City, together with Tianya Island where it was located, belonged to Dongyue Province.

Originally, the base in Bluebird City was a seaplane airport in Hans Cat’s early years. After several twists and turns, it finally became our seaplane base.

The deployment of the Be-6 in the north will undoubtedly pose a certain threat to the submarines of the Russian Pacific Fleet.

The minister shook his head and said, "I don't think so. I think they bought these planes not to continue to deploy them in the north, but more likely in the south."

Linochka was a little puzzled: "Comrade Minister, they only have one base in the north that can deploy seaplanes."

The minister smiled and said, "Comrade Linochka, you can't underestimate our southern allies. They have enough technology and ability to build seaplane bases elsewhere. And for their northern waters, six Be-6s are already saturated."

In the minister's opinion, in the ally's northern waters, seaplanes have little significance other than patrolling and guarding the other side's ridiculously shallow inland sea, the Bohai Sea, and six planes are enough.

"Moreover, the Be-6's submarine detection system is seriously outdated. The Pacific region is not the focus of our navy, and their northern waters are not the main range of our submarine activities. Therefore, the Be-6 does not pose a great threat to our submarines."

The Russians' strategic focus is on the West, whether on land or sea, and the Pacific direction is not the focus. However, in the West, their navy's combat environment is extremely poor, either covered in ice and snow, or their exports are strangled by others.

This is also a very realistic problem for the Russian Navy: the sea area is fragmented, and the transportation and geopolitical environment are extremely poor, resulting in the inability to form a joint force in naval construction.

Moreover, from the perspectives of strategic focus, terrain distribution, geopolitics, international relations, economic and trade routes, etc., apart from covering the Big Black Fish in launching the Big Bomb, they actually do not have very urgent maritime needs.

To some extent, the Russians' naval construction strategy, which seems strange to outsiders, is not entirely unreasonable.

Linochka was puzzled: "Why do they import so many Be-6s?"

(End of this chapter)