Bright sword, I have a red police base car

Chapter 141 Piston Fighter Ceiling: J-[-]
Zhang Shijie and Zhang Ning also waited for Zhao Lei who was sent by Wu Yue to pick them up not long after.

"Comrade Zhang, Director Wu sent me to pick you up, please get in the car!"

Zhang Shijie nodded and got into the car sent to pick them up with Zhang Ning. Zhang Shijie looked at the long-lost tall buildings outside the car window and asked Zhao Lei, "Xiao Zhao, where are we going?"

"Comrade Zhang, let's go to the bungalow area first. You will know the details when you get there."

Hearing Zhao Lei's words, Zhang Shijie nodded and didn't ask any more questions. After all, Wu Yue said it on the phone to give him a surprise.

He, Zhang Shijie, just gave the brigade commander a surprise yesterday. Turning around, Wu Yue is going to give Zhang Shijie a surprise today. There are so many surprises this day!
Not long after, Zhang Shijie and Zhang Ning were driven by Zhao Lei to a test flight base of Bingcheng Aircraft Manufacturing Factory. As the first unit in China to produce jet bombers, Bingcheng Aircraft Manufacturing Factory is not only a helicopter test flight base.

Zhang Shijie walked to Wu Yue's side and looked at the Il-10 and the Mosquito bomber that were landing on the runway, his teeth burst out of laughter.

"Brother is amazing! How long has it been since the planes have been rolled off the assembly line for test flights, and there are two types at once! It has to be you!"

Hearing this, Wu Yue glanced at Zhang Shijie and said, "Who said he was of two types? You look down on me? Look at the sky again."

Seeing this, Zhang Shijie raised his head and looked towards the sky, only to see a p51 improved fighter jet flying from the sky.Zhang Shijie looked at the p51 and asked Wu Yue in surprise: "Isn't it? All three types of aircraft have been produced?! How long has it been? Hiss~ Is there something wrong with this p51? Did you change it to a forward-swept wing?"

"Good vision! We modified the 5-degree forward-swept wing. After the flight test just now, the improved p51 has greatly improved maneuverability and dogfighting performance compared to the original version! Moreover, the lift coefficient and fuel consumption are also better than the original version. A lot."

Zhang Shijie was shocked when he heard the words, and his eyes could not wait to be set on the improved p51 that was landing.

As for why AVIC designed it as a forward-swept wing?Then we have to start with the wingtip stall.
Forget it, it’s too troublesome to talk about aerodynamics, Bernoulli’s theorem, horizontal airflow, and normal airflow.

Give an example directly.

The earliest practical forward-swept wing aircraft was the Junkers ju287 bomber developed by Santoku. It was the first bomber designed to use a jet propulsion engine, but only two prototypes were manufactured. With the defeat of Santoku, development was stopped.

With the development of the times, since the jet engine became popular in the aviation industry, the speed of the aircraft has become faster and faster.

The problem brought about by the high speed of the aircraft is the increase of drag, so the swept wing has to be used, but the problem brought by the swept wing itself is the reduction of lift performance at low speed, which is the problem of wingtip stall without effort.

Especially when the aircraft is taking off and landing, the angle of attack itself is large and the speed is slow. If the efficiency of the wing of the aircraft is not guaranteed, it is extremely easy to stall.

Therefore, San Dezi also adopted the forward-swept wing technology, which greatly improved the utilization rate of the lift of the aircraft wing.

In fact, the core advantage of the forward-swept wing is to improve the utilization of the lift of the wing. Therefore, the forward-swept wing has several advantages compared with the swept-back wing.

1. Higher lift-to-drag ratio.

2. Higher dog fighting ability.

3. Higher range at subsonic speed.

4. Higher anti-stall and anti-spin characteristics.

5. Higher high angle of attack stability.

6. Has a lower minimum airspeed.

7. There is a shorter take-off and landing distance.

But these advantages of forward-swept wing aircraft are actually concentrated on subsonic speed.

When it reaches the supersonic stage, it will not work.

At present, all jet forward-swept wing aircraft in the world will have problems such as wingtip tremor during the supersonic flight stage.This will greatly affect the material life and structural strength of the aircraft.

And because modern fighters usually use thin wings due to high-speed design requirements, the forward angle of attack of the forward-swept wing will increase the torque on the wings at high speeds, which is very easy to cause wing deformation.

Therefore, before the breakthrough of existing aviation materials, there is no forward-swept wing jet aircraft that has entered mass service in the world.

In fact, China's first self-developed fighter (destroyer) was a forward-swept wing fighter, which was assembled by Bald Zhengfu in 1944, model XP-1.

Later, due to various reasons, the manufacture of XP-1 failed completely.Among them, the two hooligans in Britain and the United States should bear the main responsibility.

But Zhang Shijie's improved p51 is different!

It's a piston propeller plane!

The limit speed of the propeller aircraft is in the subsonic range!
And Zhang Shijie won't be stuck in the neck like a bald head!

Therefore, when Zhang Shijie saw this forward-swept wing P51, he felt an unconcealable excitement in his heart.

This is the pinnacle of piston propeller aircraft!

Compared with the improved model of AVIC, the old p51 is simply weak!

"Brother, the plane is ready. Il-10 and Mosquito can be tested and finalized in about 2-3 days. The P51 will take about 1 week. After all, the aerodynamic layout has also changed after the forward-swept wing is changed. It takes a lot of work. Test flight for verification. It just so happens that you are here today, just give these three aircraft a name and a livery!"

Zhang Shijie heard the words and said: "The improved version of P51 is called J-10, the improved version of Il-[-] is called Qiang Yi, and the improved version of Mosquito bomber is called H-[-]!" The silver-gray paint of our Air Force is used for the paint, and the Air Force Bayi is directly painted. The badge will do."

In terms of naming, Zhang Shijie directly adopted the naming method of the People's Air Force, which not only can determine the naming method for the subsequent aviation development of Liangjian World, but also saves trouble.

The livery markings also directly follow the standard of the People's Air Force.

The main thing is to save trouble!
Wu Yue also looked at Zhang Shijie with a smile on his face, and said, "Brother, since the plane has been manufactured, it's time for the two of us to talk about the price. The price of the plane is 300 million, the price of the bomb is a bit more expensive, and the price of Lifei is 350 million. Buying a plane will give you two bases of ammunition! Don’t blame me for not wanting to give more, I won’t make much money after you give it away at this price! "

Zhang Shijie's heart tensed when he heard the words. Normally speaking, the engine and weapons of the whole plane are worth a little money. The most expensive cost of the whole plane is less than 150 million.

As for ammunition?

That stuff is worthless!

Although this profit is considered low in the international market, Zhang Shijie is different!This kid Wu Yue is a bit like a lion.

So Zhang Shijie said: "Brother, the price is a bit high! The cost of this kind of propeller plane is not so high!"

"Brother! You can't just look at the production cost! The research and development of the engine, the improvement of the aircraft, and the construction of the production line are all free of money?"

"Oh? So these research and development costs are all spread on the plane, so I don't need to pay separately?"

Hearing the words, Wu Yue hesitated and said: "Then you still have to pay separately. But you can't let my brother not make money in business, can you?"

Zhang Shijie immediately lowered his face and said, "Is this your own idea or the idea of ​​your superior?"

Wu Yue sighed and said: "We have cooperated for so long, besides emotional support, our main plan is to get another resource and energy supply chain from you. And there are too many things that have funded you before, you have to let us Back to the book?"

Zhang Shijie nodded and began to think about it, and then Zhang Shijie said to Wu Yue: "Let the superiors send another person with higher authority. I provide some advanced equipment, which is very advanced!"

After speaking, Zhang Shijie turned around and left.

He knew very well in his heart that feelings were only the basis for the cooperation between Zhang Shijie and Wu Yue, and it was still interests that really stabilized the cooperation between the two parties.

This is the world of adults and the real ground rules of this society.

Under the current situation of Bright Sword World, if we want to achieve the goal of enriching basic resources in 2018, we can only wait for the end of the War of Resistance Against Japan in Bright Sword World, even after 1943 at the earliest.

So now Zhang Shijie can only provide some technical value to Wu Yue when money is not enough.Zhang Shijie has only two technology cards at this time, one is the permanent motion magnetic energy power plant, and the other is the Prism Tank.

This time Zhang Shijie can only rely on the Prism Tank to fight for more benefits for himself and Bright Sword World!

Of course, this is not something that Wu Yue can decide. Zhang Shijie needs someone with higher authority to discuss this exchange plan.

After all, the technology on this prismatic tank includes very advanced technologies such as materials, chips, energy, directed energy and electric drive!
Just a fast charging and discharging technology can make the comrades of 2018 take off, so Zhang Shijie decided to use this only light prismatic tank to replace as many technologies, equipment and production lines as possible.

Only when you are strong can you improve your value in the eyes of everyone.

This is the case in the world of bright swords, and it is the same in 2018!
After thinking about this matter, Zhang Shijie and Zhang Ning returned to their factory under the escort of Zhao Lei.

After explaining some things to Sun Zhipeng, Zhang Shijie and Zhang Ning returned to the base space again.

"Old Zhang, order the light prismatic tank crew to come and assemble with weapons and equipment."

"Yes! Chief!"

Because Zhang Shijie didn't change the default name of the base system, it's no problem for Zhang Ning to be called the chief in the base space, and the head of the regiment is also the chief!

Not long after, the light prismatic tank crew came to Zhang Shijie's side in a tank to report.

"Report to Comrade Chief, the light prismatic tank crew has assembled, there should be two people, and there are actually two people, please give instructions! Commander, Yecheng!"

"Take a break!"

"Yes!"

After the light prism tank team was assembled, Zhang Shijie ordered the troops to prepare a large container, park the light prism tank in the container, and then prepare to lead the tank team and the tank back to the 2018 world.

"Chief, get ready!"

"Set off."

"Yes!"

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(End of this chapter)