Babylonian Empire

Dassault expects that even if this fighter is successfully developed, the French Air Force will equip up to [-] fighters.Then, the research and development cost allocated to each aircraft will be very high, and now, with such an order of [-] aircraft, the price of this fighter will be reduced, thereby gaining greater competition in the market force.

As for the production line, Marcel knows that it must be sold. Even Northrop has exported production lines to Iraq, and Dassault may have to go this way. Your Excellency Qusay is I love this kind of fresh idea.

"Your Excellency Qusay, our Phantom 4000 is very valuable. I wonder if your country can digest the eighty of them?" Marcel asked.This is not selling cabbage, nor is it a light fighter like the F-20. This is the latest fighter that is not even equipped by the French Air Force. In terms of unit price, it is naturally quite expensive, especially since this fighter is self-funded by the company. Funds for research and development are even less likely to be sold at a loss.

Sure enough, the Frenchman started talking about the price again. You must know that although the quality of French goods has always been good, the price is ridiculously high.Zhang Feng asked: "Mr. Marcel, it is the greatest support for your company that we can boldly order a fighter jet that your company is still in the research and development stage and has no formal finalization. The quotation for this kind of fighter jet should not be too high." high."

Of course it won’t be very high. Marcel did some calculations and said: “The whole machine costs 7000 million units, and the spare parts cost 6000 million units, which are assembled by your country itself. The separate engines and fire control radars cost 2000 million units, and the production line costs [-] billion units. .”

Boileau next to him opened his eyes wide. Unexpectedly, this old boss could kill people when he talked about the price.

Zhang Feng thought silently, if the first ten complete machines, twenty assembled from parts, and fifty produced by his own production line, it would be 40 billion for Dassault alone, plus the last fifty The raw materials that I need to buy, and the production line production cost at least 30 billion. Then, these 8000 fighter jets, less than 22 million, are almost the same as the f-80 of later generations. You know, it is the early [-]s The currency value!

Marcel is very calm in his heart. This is a high-tech product that has cost a lot of manpower and material resources of his company. It is not selling cabbage. There will be no money for maintenance, maintenance, life extension and other work in the future. If you don't make some money now, you will be at a disadvantage.

Zhang Feng said calmly: "Mr. Marcel, what I'm saying is that the Mirage 4000 that joined your company can meet my requirements. Although it is your company's most advanced fighter, it still has some shortcomings."

Chapter 158 Improvements

Chapter 158 Improvement——

"Oh?" Marcel was very curious. Now, although Mirage 4000 has claimed to have a strong combat capability, the specific data is still confidential, or some data is still in the test flight. This person seems to know his own plane very well.

"Your Excellency Qusay, you seem to be very familiar with our Mirage 4000?" Marcel asked.

Familiarity is far from enough, but Zhang Feng still knows the advantages and disadvantages of Dassault aircraft.

"Your Phantom 4000, like the Phantom 2000, adopts both side air intakes and a tailless delta wing layout. Although this layout is what your company is best at, compared with the conventional layout, it has the most obvious flaws. That is, although the high-altitude and high-speed performance is excellent, the low-altitude maneuverability is not very high."

"Can't our aerial performance today show that our aircraft has high maneuverability?" Boileau said.

"With all due respect," Zhang Feng said, "Today's is just a performance. Those movements such as the tail thrust are done very well, but this is just a prototype without any other equipment, and, I'm afraid I didn't carry enough fuel, right? If in actual combat, with four medium-range air-to-air missiles and four short-range combat bombs, can you still do so many maneuvers?"

Boileau was speechless immediately, but he knew a little about these performances. In actual combat, some actions may only be performed once in a lifetime.

"Although your fighter has adopted a relaxed, static, stable, and fly-by-wire operating system, the maneuverability of the Phantom 2000 is much higher than that of the Phantom 3. However, the US-made f-15 with large side wings and fused wing body is adopted. Airplanes like the f-18 also have very good maneuverability, so I need an aircraft that is completely superior to them, not only in mid-to-high altitude interception, but also in close combat, which can completely defeat the opponent. I need More advanced technology!" Zhang Feng said.

Zhang Feng spoke a little fast, and the half-baked translator Ms. Sarah did not translate these professional terms accurately, but Marcel had already heard the other party's meaning clearly.

This is also a problem that has troubled Marcel for a long time. Dassault is best at the aerodynamic layout of the delta wing. Therefore, although the Phantom F1 adopts the conventional aerodynamic layout, the performance has not improved much, and this has returned to the delta wing. Coming from the old road, the delta wing layout, the aspect ratio of the wing is relatively small, and it is convenient to install more pylons under the wing. It is also longer.

Listening to the other party like this, it seems to have found a solution?Marcel is interested, if the other party really has a solution, that would be great.However, it seems that you have never heard that His Excellency Qusay has studied aerodynamics, right?

Although Zhang Feng has never learned it, he has seen it. In later generations, among several main fighter jets, the EF-2000 jointly developed by Europe, the French Rafale, the Swedish Gripen, the motherland’s J-1.44, and the Soviet Union’s unmanned fighter jets. Mikoyan's MiG [-] that can be put into production, these types of fighters all use the canard aerodynamic layout.

The canard aerodynamic layout is actually based on the delta wing, plus a pair of front winglets, called canards, like a standing duck.In this way, the vortex generated by the front wing can be used to increase the lift of the rear wing several times, greatly expanding the maneuverability of the aircraft. Moreover, the full-motion front wing is also a control surface. The biggest advantage is to directly obtain the nose-up moment. In other words, it is called positive lift, and the fighters equipped with canards have excellent performance in short run and high angle of attack takeoff.

Zhang Feng is now trying to show off this thing. It is estimated that their researchers are already exploring at this time, right?

In fact, the layout of the canard was discovered by the Swedes as early as 1966. However, there was no such control as the telex system at that time, and the canard was difficult to control. It was not until now that it began to come into play.

"Your Excellency Qusay, do you have a more suitable method?" Marcel asked him.

"Mr. Marcel, these 7000 million fighter jets are really expensive. You can equip me with five F-20 fighters. Tell me, can I take down a Mirage 20 with five F-4000 fighter jets? " Zhang Feng asked.

"This is a bit expensive, so let's say 6000 million!" Marcel said, "What method did you just say?"

"Oh? Did I just say that? I just said f-20, 6000 million? That's four. It seems that I still have to make an assessment. Four f-20s are besieging a Mirage 4000, and they need to fly You'll know after that!"

"Your Excellency Qusay, your behavior will only make me doubt your sincerity." Marcel finally couldn't bear it anymore.

"Okay." Zhang Feng said: "Mr. Marcel, have you ever thought about what would happen if two small wings were installed in front of the wings of the Mirage 4000?"

Put on little wings?Marcel felt that such a statement was very interesting, but he did not understand what Zhang Feng meant.

Fortunately, Boileau took out a model of Mirage 2000 and handed it to Zhang Feng.

Zhang Feng pointed to the front of the wing and said: "Here, installing a pair of small canards can strip the air on the upper surface of the wing and obtain greater lift, which is much better than the effect of the leading edge maneuvering flaps, and , such canards can be deflected in this direction when taking off to directly provide lift." Zhang Feng said while gesticulating.

Boileau was a layman, and he still didn't understand the sales, but Marcel understood, and his eyes began to shine.

Not bad, really good. In this case, positive lift will be obtained directly. Then, short-distance take-off is definitely not a dream. Maybe, only a 300-meter runway can take off!As for what he said about obtaining greater lift, it is not too sure before doing a complete wind tunnel experiment, but judging from what the other party said, it is very reasonable.

The so-called positive lift refers to the normal layout of the aircraft. If you want the nose to rise, you need to turn the tail to make the air deflect upwards, and press the tail down, that is, to push the tail down, so that the nose can be lifted. This is called negative lift. In the middle, there will be energy loss, and the canard is in the front, deflecting the air downwards, and directly lifting the nose. This is called positive lift. Therefore, the canard aerodynamic layout is also Known as the header layout.

"Phantom 4000 needs to redesign the flight control law, design the front full-motion canard, and re-do the wind tunnel experiment, but I think it is definitely worth your company to redesign." Zhang Feng said.

Marcel quickly calculated in his mind, although he said that he would have to go through the blowing hole to know, but if it is really successful, then the combat effectiveness of the Phantom 4000 will definitely be able to take it to another level, that is, to face the variable-sweep wing. The f-14, in close combat, will never be at a disadvantage.

"$5000 million a plane, 4000 million spare parts, and 500 million engines and radars. In this case, I still have some ideas and would like to communicate with Mr. Marcel." Zhang Feng said.

Unbeknownst to Zhang Feng, Sarah, who was next to him as a translator, was already looking at him with admiring eyes.

Qusay is an all-around talent, able to fight, resourceful, and even bargaining so hard, cutting down 2000 million US dollars is not a small sum.Please remember the URL, if you like "Babylonian Empire" written by Huadongzhixiong

Chapter 159 dsi air intake

Chapter 159 DSI Inlet——

Still have some ideas?Marcel doesn't know where this Qusay Lord in front of him learned these things, even he who has always been at the forefront of technology, didn't think of these things, but when the other party said it, he suddenly understood, isn't that the case? Is it the same thing?Not to mention the use of eddy currents, it is this positive lift that can definitely improve the maneuverability of the aircraft to a higher level:. "novel"

Historically, it was not until the Mirage 2000-5 fighter that a small canard was installed in front of the delta wing to increase the lift of the wing, not the control surface. Zhang Feng is full of confidence in the Mirage 4000 and naturally hopes Its combat capability is as strong as possible.

Think about the fresh ideas that may still pop up in the other party's mind, and even if the price is lowered to 4000 million US dollars, Dassault is still making money. Thinking of the improved performance of fighter jets, it even surpasses the heavy fighter jets of the Americans and the Soviet Union. 3000 million, Marcel will feel ready to move.

"Okay, 5000 million a plane, [-] million US dollars for the production line." Marcel directly lowered the price of the production line, hoping to be open and honest, and the other party would come up with more constructive projects.

Zhang Feng is not happy. The first one is that there is no canard, which cannot improve the maneuverability at low and medium altitudes. The second is the air intake of Mirage 2000. In order to take into account the performance of high altitude and low altitude, the air intake on both sides Inside the tunnel, a pointed shock cone is installed, which is somewhat similar to that of the MiG-21, except that the MiG-21 has air intake at the head, and a shock cone, while the Mirage 2000 has air intake on both sides, each with a shock cone.

In flight, the air should flow smoothly into the engine so that it can work optimally.If the incoming airflow is sometimes strong and sometimes weak, the engine is prone to accidents during high-speed operation.Without air, the engine would idle and the plane would be prone to stall.Too much air and the engine is prone to panting.

When the plane is flying, there are very complicated airflow changes. Simply put, if the air inlet is fixed, then when the speed of the aircraft is high, there will be too much air. Therefore, it is necessary to install a device at the air inlet. After the speed is high, reduce the intake air volume.

Secondly, when the aircraft flies at supersonic speed, the air flying in is also supersonic compared to the aircraft, and the air needs to be lowered below the speed of sound. At this time, various devices are required to pre-heat the air. For handling, Dassault is best at using this shock cone.

At this time, the other three generations of aircraft, such as F15, F-18, Su-27, etc., almost all use the movable baffle in the rectangular air inlet to realize it. In this way, the bulky shock cone is removed. , which is conducive to improving mobility.

There are two ways to remove the shock cone. One is to use the swept-back double-slope supersonic inlet, also called the caret inlet. It is used on the improved version of the F-18. This is the cutting-edge of technology. Suitable for supersonic fighters, unfortunately, it is not suitable for the Mirage 2000 with air intake on both sides.

There is another kind, which is the dsi air intake that has just been practical in later generations, and is used on the latest f-35 fighter jets in the United States:.

The most obvious appearance of the dsi air intake is an irregular semicircular bulge. The upper and lower sides of the bulge are almost glued to the upper and lower lips of the air intake, which can squeeze the airflow from the boundary layer out of the air intake and replace it. The role of the shock cone, the DSI inlet is very conducive to the stealth of the aircraft, the protruding bulge can cover the engine, and the front blade of the turbofan engine is the strongest radar reflection source.Although the supersonic performance of the dsi inlet has no essential improvement, compared with other inlets, its advantages lie in weight reduction and stealth.

However, Zhang Feng is not very clear about what this thing is like. After all, these things are already the most advanced things in his last world. Zhang Feng can only describe them, but he thinks that it should not be very difficult, because After using this kind of thing on the f-35, it followed the air intake of Xiaolong, and it became like this, and someone on the Internet even described the appearance of the J-[-]b using this air intake.

Although this thing is completely usable, Zhang Feng obviously hopes too much this time. Before no one sees it, few people will believe that a bulge can solve the rather troublesome air intake in the aircraft design. question?

Seeing the expression of disbelief on the face of old Marcel, who has the strongest ability to connect, Zhang Feng felt that it was a bit too early for him to take out this thing.