Chapter 1403
"Ahhh!" The crowd began to boil, and the pilot said just now that the engine performance is good, let's pull it up, everyone should hear it clearly.

Aircraft flight test refers to various tests conducted by the aircraft under real flight environmental conditions, referred to as aircraft flight test.

The purpose of aircraft test flight is to verify the results of theory and ground tests, and to identify design indicators, airworthiness and performance.Aircraft design and ground tests are carried out under theoretical assumptions and non-comprehensive simulation conditions, which need to be verified by test flights.

Therefore, starting from the construction of the aircraft, various parts need to be theoretically verified and simulated in their own experiments.Otherwise, with such a high cost, how could it just be made?
However, no matter how comprehensive the theory and simulation experiments are, they are not real flights, so it is the actual flight that really tests the performance of the aircraft.

Test flight is different from ordinary flight, it needs to do some large-scale movements that test the aircraft, so test pilots should have stronger mental quality and skills than ordinary pilots.

The content of the test flight includes a total of nine items:

①Evaluate whether the seating arrangement enables the pilot to work safely, efficiently and comfortably.

② Calibration test of instruments: analyze and determine the position error of the pitot static pressure system and the recovery coefficient of the atmospheric temperature system.

③ Flight quality (static and dynamic) tests: including tests related to aircraft stability, maneuverability, maneuverability and stall.

④Performance test: Determine the best flight parameters according to the design performance of the aircraft, including tests such as maximum speed, minimum speed, climb, range, flight time, ceiling, maneuvering flight and take-off and landing performance.Tests were conducted at various altitudes and speeds.

⑤Spin test: find out the conditions for entering a spin through experiments, determine the model of the spin, find out the method of recovering from the spin, find out the state of the engine and the aircraft during the spin, and the situation of the steep drop in altitude during the spin .During the spin test, sometimes a large load is added to the aircraft or the strength of the aircraft is increased, and recovery devices are added, etc.
⑥ Flutter test: To determine whether there is flutter phenomenon in various operating conditions of the aircraft, or whether it has sufficient attenuation characteristics.Generally, the wing is disturbed by means of sudden manipulation, detonation of small rockets or excitation to measure its response.
⑦Flight load test: conduct test flight according to the design conditions to identify the design load.The measured value is compared with the results of strength test and strength calculation to identify its safety.

⑧Engine test: To identify the working performance of the engine and its adaptability to the aircraft in the flight state.Measure the thrust and fuel consumption, test the acceleration and deceleration of the engine, the matching of the intake port and the engine, the air start performance and the maneuverability of the engine, etc.

⑨Airborne equipment test: including communication, navigation, control and life support system tests.

Therefore, after the two test pilots felt the excellent performance of the engine, they directly turned on the flight test mode without waiting for the stratosphere at all.

The plane had just climbed to a safe altitude, Yang Geyong shook his head, he, a well-trained pilot, was a little dizzy.

Then the plane landed vertically as if out of control, like a stone thrown from a high altitude.

Yang Geyong couldn't help but let out an "ah".The control tower hurriedly called: "Junken No. [-], is there something wrong?"

The test pilot replied calmly: "You guys are too timid to rub the plane. The plane has no faults. I'm afraid it has faults. This is just an appetizer."

Yang Geyong calmed down, and shouted unconvinced: "Who is afraid of whom? It's just not prepared. Come again!"

The test pilot was not polite. When the plane landed below the safe height, he yanked the joystick, and the plane flew straight up like a swallow. Yang Geyong's face turned pale and he almost vomited.

The test pilot laughed and said, "How is it? Is this a cold dish?"

Yang Geyong gritted his teeth: "It's okay, come on, if you make me vomit today, I will be your grandson!"

Ye Yuze grinned as he listened below, and cursed mentally: "You got kicked in the head by a donkey, you are younger than us, isn't it normal to vomit like this? You want to be a grandson, don't drag me in? "

At this moment, he found a stool by himself and didn't follow him. The main reason is that all the people sitting are old people. Wang Shuqin and the others are all standing, so it's not suitable for him to sit there by himself.

But how long is this test flight?He was unwilling to let him stand for two hours, so he hid himself in a corner and sat.

"You bastard, how dare you let him go up?" whispered angrily in his ears.

Then Yang Wei looked at Ye Yuze calmly: "Uncle, is it because my father fell off that he can't hit me?"

Ye Yuze's head was full of black lines, and he slapped Yang Wei on the back of the head: "If you talk nonsense, if he doesn't hit you, I'll hit you!"

As for Zhao Linger, Ye Yuze didn't bother to talk about it, she said all nonsense: "Why did I tell him to go up? Can I stop it? Why don't you stop me if you are capable?"

Zhao Linger was at a loss for words, but continued to stare at him unconvinced.Ye Yuze ignored it and continued to look up at the sky.

The plane tossed in the air for about an hour, only to hear the co-pilot say: "Okay, Xiao Zhao, why are you tossing this big plane as a fighter jet? It will really fall apart in this way."

Xiao Zhao chuckled: "Captain, this engine is so damn powerful, we have to suggest to the leader to use it for our fighter jets."

"I think so, let's not mention other components, this engine should really be prepared for fighter jets." The captain deeply agreed.

He turned to look at Yang Geyong: "Which engine did you import? How much is it? It's so fucking powerful."

Yang Geyong's face was blue and purple, as if he was trying his best to control something?Hearing the words, he just said four words, "I made it myself!"

The two test pilots looked at him in surprise, with some disdain in their eyes, they just looked at his virtue and didn't bother to argue with him.

The conversation in the cockpit was naturally spread outside, because thousands of people outside were watching, and they were naturally excited to hear the test pilot's evaluation.Everyone was beaming, but they didn't dare to speak, for fear of missing the voice from the cockpit.

Finally, the voice of the test pilot came again: "The test flight is complete, everything is normal, and all the data of this aircraft have fully met the standards, requesting to land."

Landing cleared, please land on runway one.The sweet voice of the little girl on the tower immediately sounded.

It wasn't until the plane landed on the runway smoothly that everyone started jumping and cheering.

Ye Wancheng, Liu Qinghua, and Comrade Lao Zhao had tears all over their faces, and the three hugged each other tightly.Although this aircraft was not completed during their term of office, it is also due to their hard work!
The successful test flight indicates that Junken City has created a miracle, a miracle that fills the gap in our country!This one is destined to go down in history!

Yang Geyong vomited as soon as he got off the plane, and cursed after he got off the plane, "Laozi didn't vomit on the plane."

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(End of this chapter)

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