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Chapter 309

Wang Xuexin had no time to worry about anything other than the directional issues regarding the three stores.

Wang Xuexin believes that the hardware can be handled well, and more importantly, with the attention of the headquarters, he doesn't need to worry too much.

Sometimes Wang Xuexin thinks that it is really not easy for a commander to be a leader. He not only has to direct operations, but also pays attention to people's livelihood, economy, and supplies. Now he has to personally participate in even doing business and recruiting bandits.

Wang Xuexin cannot do such a job.

His character is to focus on one or two aspects, and as soon as there are more things to do, he will be able to take care of one thing and not the other, and then he will get all kinds of troubles and finally give up.

For example, now, Wang Xuexin devotes his main energy to the improvement of "high fire".

The improvement work went smoothly. After all, there were detailed drawings given by Wang Xuexin. On the other hand, this pulse engine was low-cost, simple, and rough... For some things, roughness is also an advantage, and it is undoubtedly an advantage.

The reason is that as long as many things are rough, their fault tolerance rate is high and improvement is easy.

For example, for the equipment produced by Mao Xiong, if the tank turret is stuck and cannot rotate, just hit it twice with a hammer. If this is Yingjiang's equipment, if you hit it with two hammers, it will probably malfunction.

But something went wrong when the work reached a critical stage.

Professor Su pointed at the fuel injection part of the engine and frowned and said: "Battal Commander, there is nothing wrong with the drawing, and there is nothing wrong with what we are doing. The problem is that the drawing requires the fuel injection part to open and close 42 times per second... We don't have it.

This production process can be made by hand at most 25 times per second, and it won’t be able to go any faster!”

Wang Xuexin asked: "Has the test flight passed?"

Wang Xuexin asked this question because this thing is a one-time consumable anyway. What is the difference between 25 times per second and 42 times per second?

But Wang Xuexin was really wrong about this.

Professor Su replied: "Why haven't you tried flying before? But because of the insufficient frequency, there will be obvious frustration during the flight, which will greatly affect the accuracy of the 'high fire'!"

He Zhimin added: "This impact on accuracy is fatal, because it is different from changes in the external environment such as wind direction and pressure. This kind of internal setback lasts for the entire flight, which will make the 'High Fire' have no accuracy at all."

It can only be regarded as flying in the target direction, as for where the dive hits and where... we can't control it!"

When Wang Xuexin heard this, he probably understood.

There is still a difference between burning 25 times per second and 42 times.

This is like watching a cartoon, playing 25 frames per second. The human eye can clearly feel the pause in the middle. By 42 frames, it is already smooth and almost imperceptible. (Note: The human eye can resolve up to 55 frames per second)

The same goes for pulse engines.

This kind of insufficient pulse speed would be nothing if it were applied to a car engine. At most, people in the car would feel the vibration of the engine.

But if it is on an airplane, especially on a "high fire" where automatic flight is to hit the target, this kind of vibration can be fatal.

Therefore, when Hans made this kind of engine, he set the frequency at 42 times per second, which must have its reason.

Then at this moment, the system made a "ding" sound: "It has been detected that the host needs to improve the plan, military industry system 90000..."

Damn it, there were so many zeros at the end that it frightened Wang Xuexin. It almost took away all the military coins that Wang Xuexin had saved these days.

Can't you leave some way for people to survive?

But then I thought about it, this is related to whether I can directly hit the Japanese airport and compete for air supremacy. It's worth the damn price.

So I gritted my teeth and bought it with military currency.

However, the answer given almost made Wang Xuexin faint. There were only a few simple words: "Add a combustion chamber!"

Wang Xuexin cursed in his heart: "I'll go, that's it? I'll scratch off all the military coins with just this thing?!"

But after buying everything, Wang Xuexin could only accept his fate. Who didn't expect it?

Professor Su and He Zhimin looked at Wang Xuexin inexplicably. His face looked reluctant, surprised and angry at times, and occasionally he seemed to be cursing to himself...

Wang Xuexin suddenly woke up when he saw the strange expressions on the two people's faces, and hurriedly said: "In fact, it's not difficult, let's add a similar combustion chamber to it!"

"Add a combustion chamber?" Professor Su shook his head: "This is related to the frequency of the nozzle. If a combustion chamber is added, it will not only not work, but also increase the tremor!"

Wang Xuexin understood Professor Su’s thoughts.

This is a bit like the superposition of waves.

If the peaks and troughs happen to overlap, it will weaken.

But if the crests and crests are superimposed and the troughs are superimposed, the tremor will be doubled.

However, the improved technology that Wang Xuexin spent so much money on will definitely not be able to solve this problem.

Wang Xuexin took out his notebook and explained while drawing: "Lao Su, Lao He, can't we make 25 combustion chambers? Let's add a combustion chamber, the two combustion chambers share a nozzle, and then in the two combustion chambers

A linkage mechanism is established between

When the combustion chamber is opened, the other combustion chamber is closed, so when this combustion chamber is burning, the other combustion chamber is also making preparations. The overlap of this time allows it to achieve combustion about 50 times per second!

I wonder if this idea can be realized?"

Professor Su and He Zhimin were stunned for a while without saying anything.

Although they are not sure whether this plan will work because it has not yet been implemented.

But in theory, there is nothing wrong with doing this. The two combustion chambers share one nozzle, and with a little overall distribution and linkage mechanism, the increase in frequency can be achieved perfectly... This is much simpler than improving a single combustion chamber.

In particular, this kind of pulse engine is very rough, so adding a combustion chamber one on the left and one on the right is not a problem at all.

Thinking about it, Professor Su nodded heavily and said, "That's it! We'll produce a few right away to try!"

As he spoke, Professor Su raised his head towards the notebook in Wang Xuexin's hand and said, "That sketch of yours..."

Wang Xuexin said "Oh" and hurriedly tore off the page of the sketch he had just drawn and handed it over.

Professor Su and He Zhimin left without saying anything.

On the way, Zhimin and I took a deep breath and said, "Lao Su, stop pretending to be calm..."

"Go, stop talking!" Professor Su glanced back and said, "Don't let that guy get too proud!"

"I didn't see him being proud!" He Zhimin sighed and said helplessly: "It's just that we... are ashamed of ourselves!"


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