Chapter 1043: Is it completely domestic?

The rate of climb of a fighter is also an important indicator. The higher the rate of climb of a fighter, the faster it can get up. Whether it is a long-range interception or a sudden attack on the airport, it is a very important indicator.
Mr. Lu said that he would never cheat. This made Mr. Gu sound ugly. He said, "Lao Lu, you are wrong to say that. What is cheating? The climb rate test originally has prerequisites. If you want to simulate actual combat, then hang up the full missile test, hang up both the Pili-11 and Pili-8, add the auxiliary fuel tank, and then test."
Are you provocative? Then let's say it well.
Lao Lu didn't raise the bar, but looked at J-11 with expectant eyes: "You must not shame us."
His eyes were like looking at his own child.
The progress of the J-11 is quite fast.
The surveying and mapping of the airframe was completed last year. If it was only for surveying and mapping, there would still be a big gap between its own imitation. At this time, Mr. Qin gave a lot of help. I don’t know where to get a batch of fighters. Relying on the technical data of the 11th, their imitation progress is developing rapidly.
In particular, if you have the test data, you can modify it on the basis of the original one after you get it through. For example, the tail engine of the F-11 has been replaced with its own Spey modified engine. Re-matching, if there is no such information, do not know how long it will take to complete.
Now, that's a familiar road.
The two were fighting here. Suddenly, a voice came from behind: "Aren't our progress slow, the whole machine will come out so soon?"
Qin Guan has already arrived. He just got off the helicopter and rushed straight here. He was immediately delighted when he saw this brand-new J-11.
How to see whether it is brand new? Of course it's the skinning.
The skin of the F-11 fighter has not been painted yet, it is the color of aluminum alloy, which of course is just in the factory state.
No half of the rivets can be seen on the skin. All of them are countersunk rivets. The appearance is quite smooth. Looking at the plane, Qin Guan’s heart was filled with joy. After this period of hard work, he can finally be able Imitated the Tomcat fighter, and in the future, more and more of this aircraft will become the main equipment of the navy and air force.
When Qin Guan said this, both of them were delighted, and Old Chen hurried to meet him: "Mr. Qin, our plane has come out, you can take a look."
Old Chen was like a primary school student who had scored 100 points in the exam. He took the test paper home and looked at his parents. He looked at Qin Guan. To Old Chen, Qin Guan was really like a parent, and Qin Guan single-handedly promoted the J11 The project.
Qin nodded his head: "We made this airplane ourselves?"
Hearing Qin Guan’s words, Old Chen nodded:
Yes, the main parts of the airframe are all made by ourselves, including the most important variable swept wing wing box and hinge, which are all made by ourselves. For the landing gear, our existing metal is not strong enough, so we used Grumman accessories."
Whether the aircraft can be manufactured by itself is related to whether this aircraft can be mass-produced. It is like the rest of the world. It can only be used to dismantle the eastern wall to supplement the western wall, and use organ donations to maintain the Tomcat fleet and the number of fighters. Naturally it is getting less and less.
Most of the airframe is made of aluminum alloy, and a few are made of titanium alloy. These are all made by ourselves. Only this landing gear is a difficult point.
Qin Guan understood the reason.
Because the Tomcat fighter was designed as a carrier-based aircraft. When the carrier-based aircraft is on the ship, the impact is very strong, so the landing gear must be stronger.
It can be said that when a land-based fighter is transformed into a carrier-based aircraft, the weight will increase by about 10%. Two important parts are the folding wing structure and the enhanced landing gear.
Chen Lao imitated this aircraft, trying to be exactly the same. The avionics and engines were solved. On the body, the undercarriage was too strong to be replicated by himself.
This will not cause too many problems. After all, Han will not have an aircraft carrier for the time being. Before there is an aircraft carrier, Han will be deployed on land with the first-strength landing gear.
But what Lu said, after all, there are still flaws, and Mr. Gu on the side also came up: "It turns out that it is not completely self-developed, Lao Lu, you are lame. Look at our fighters, but they are completely autonomous. Development."
Hearing Mr. Gu’s words, Mr. Lu originally didn’t plan to interface, but Mr. Gu said in front of Mr. Qin that it’s not good after all, so Mr. Lu also retorted:
Are you self-developed? What about your engine? One of the three big pieces is outsourced."
Hearing what Lu Lao said, Mr. Gu blushed and stopped talking, but Qin Guan became interested: "What? Did Jianba use a foreign engine?"
"Yes, that's the RB199 engine." Lu Lao said: "Their fighters use foreign engines, but foreign engines are really good."
Even Lu Lao sighed at this point. When the J-8-2 was replaced with the RB199, the performance immediately rose to a higher level.
What is the biggest shortcoming of J-8-2?
The use of two engines has greatly improved the power performance of the fighter, but at the same time, the fuel consumption has also been greatly increased. When Qin Guan retorted, he said that the J-8-2 has a short space time and a small combat radius. .
Now, replacing the backward turbojet engine with an advanced turbofan engine, the performance of the J-8-2 immediately rises, just to say that the turbojet 13 has an afterburner thrust of 64 kN, and the replaced RB199 engine, Afterburner thrust up to 75 kN!
In this way, the thrust-to-weight ratio of the J-8-2 has been greatly improved, and the maneuverability has also been drastically changed. Now the ratio of climb rate is the engine, although the 6601 Institute has always said that the J-8-2 is a heavy aircraft. In fact, it is an out-and-out medium-sized machine. After the replacement, it is even more powerful.
Qin Guan remembered that the people from the country of Niu came to sell, and he had talked about RB199. At that time, he didn't care about it. He didn't expect Mr. Gu and the others to take the initiative to contact and start this version.
In addition to the power increase, because the fuel consumption rate has been greatly reduced, the combat radius has almost doubled, which is the advantage brought by the turbofan engine.
Hearing this, Qin Guan also became interested, and said: "Okay, actually changed the engine? Then let's take a look at the J-8 2."
In the past, Qin Guan hadn't cared about J-8-2, but now that Qin Guan had been keen on his own warfare, Mr. Gu was even more overjoyed, and immediately took Qin Guan and went straight to his fighter.