Chapter Ninety-Two: Test Flight is the cause I have fought for all my life
If you want to be a qualified test pilot, you need to keep learning and learning again!
The technicians went to revise the design of the plane's fuel tank, Qin Feng once again plunged into the data room of the test flight institute, and when Qin Feng entered, he saw the latest issue of the international flight journal on it, which was in pure English.
"Xiao Liu, thank you, give me that book." Qin Feng said to the person in charge of the data room.
Xiao Liu picked up the magazine and said: "I knew you would come to get it, when others come to see it, almost all of them are domestic periodicals, and there are not many people who can understand the foreign periodicals we subscribe to here." ”
When the country put things in order, publishing was also on the right track, and some military magazines, such as periodicals such as weapons knowledge, began to publish normally.
However, what is really valuable is the foreign periodicals, the fighter mafia's theory of energy mobility, the lessons learned from the Vietnam War, and the advanced fighters such as the F-14 and F-15, all of which Qin Feng learned from foreign journals.
In the past, when he was in college, Qin Feng was in the library of the university, and every time he went to grab these latest magazines, many people would grab them at that time, but now it's okay, almost all of the magazines here are specially prepared for Qin Feng.
Qin Feng took this British international flight journal, opened it, and looked at it seriously.
The first introduction is the European Tornado fighter-bomber, the performance of this aircraft is very advanced, especially the engine, it is actually a three-rotor, because their countries have invested a lot of costs in research and development, they can't wait to sell this aircraft, and the various performance is introduced in detail, for fear that the outside world will not know the general.
Qin Feng looked at it with relish, the design of this aircraft still uses a variable sweep wing, if nothing else, this should be the last variable sweep wing fighter in the Western world, because now the latest aviation theory has begun to move towards what wing body fusion, the large side strip wing is advancing, trying to use the vortex lift to improve the high angle of attack performance of the fighter.
After reading this, half an hour has passed, Qin Feng is definitely not a casual look at this kind of article, he has to carefully scrutinize, where to write correctly, where to exaggerate, and add his own judgment and analysis, so that he can understand this kind of fighter more clearly.
After reading it, Qin Feng was even more happy, the following article is an interview with Jaeger!
Veterans do not die, the spirit of old pilots lives on, and Jaager's story inspires many test pilots to forge ahead.
He had fought in World War II, was shot down several times, and by the end of the war, he was already a double ace who shot down 11 enemy planes, and then began his career as a test pilot.
He was the first to cross the speed of sound, when his ribs were still broken, and after that, he did not retire, but continued to fight on the front line of test flights.
By the time he retired on March 1, 1975, he had flown 10,000 hours and flew more than 180 different military aircraft. And after retiring, he entered the airline and continued to test fly various aircraft.
This is a model for all test pilots, and it is also the example that Qin Feng admires the most.
Now, Qin Feng looked at the three-page interview and felt that his heart was beginning to get excited, and the first sentence was Jaeger's famous words: Even death can't make me give up flying.
Q: "Mr. Jaeger, what aircraft have you been testing lately?" ”
A: "The F-18 is now flying in the Navy, and this aircraft is our latest scientific research achievement, with large side strip wings, wing-body fusion, and multi-functional performance. ”
This reporter is very good at writing, or it is perfunctory, it is actually directly in the form of questions and answers, but these questions are gradually deepening, but they are the most expected, and there are many things that Qin Feng wants to know.
When he turned to the second page, Qin Feng finally saw a question: "Can you tell us the story of flying the F-18 fighter at low altitude and high gauge speed?" ”
"For the test flight of any aircraft, low-altitude and large table speed is a very risky subject, and when I flew this aircraft, the biggest problem I encountered was that this aircraft could not fly at the designed speed."
Qin Feng felt that his fingers were starting to tremble, if this book was his own, he would definitely use a pen to sketch it underneath, and now, Qin Feng could only take out his notebook and record it quickly.
"According to the design, we have a maximum watch speed of 1,04 at low altitude, but during the test flight, we can fly up to 1,02, so I proposed to use the old method of flying down from high altitude, so that we can accelerate to this speed."
Qin Feng's eyelids are also beating non-stop, his own J-8 is the first truly self-developed project, all test flights are from scratch, and everyone has encountered problems that they have never encountered before, such as now, when they are testing low-altitude and high-speed flights, there are many problems.
Now the problem is that the nose is raised, although I have proposed a plan to increase the torque of the rudder surface, and I can continue to increase the speed, but after the speed is increased, will I continue to face this obstacle?
There is no doubt about it, this is for sure, even the Eagle Country will have this problem, the level flight cannot meet the maximum speed requirements, so it is necessary to dive down from the sky, so that it can be achieved.
It's just in time for rain!
Qin Feng looked back again, wanting to see more introductions, but there was no more.
Regarding the low-altitude and large table speed, the other party said a few words, and at this time, Qin Feng couldn't wait to sit in front of him and ask him in person.
According to the plan, when the J-8 flies at ultra-low altitude and high speed, it must be able to fly to supersonic speed, and only under this supersonic speed can the strength of the fighter be effectively tested whether the strength of the fighter meets the standard.
However, can you fly to supersonic speeds?
It's enough, the thrust of the engine is insufficient, the nose has a lot of resistance to air intake, plus the nose has to be tilted up, in short, it's very difficult.
Qin Feng closed his eyes, thought about it carefully, and then began to watch the interview below.
"Mr. Jaeger, it's a pleasure to interview you, I've always had a question, test flight work is very dangerous, when in 1948, you flew the X-1 and successfully left the speed of sound behind, you have gained enough prestige, at that time, you can already retreat bravely, what motivates you to keep doing test flight work?"
"Yes, the X-l plane catapulted me to fame, getting piles of awards, medals and medals. One of them was a one-pound gold medal from the International Aeronautical Federation, but I wasn't interested in them, I locked them all in a safe, and for me, test flights were my life's work. ”