This feeling is very strange, reminding Yang Jing of the first time he used the restricted-level space-time shuttle skill.

George's voice rang again: "Boss, how do you feel? I mean you don't feel any discomfort? The speed is now Mach 1.05, which is close to the speed of sound at sea level. Of course, if you want to go faster It’s okay to click, but it needs to climb a bit. The air at this height is still too dense. We must go to a higher altitude to continue to increase the speed."

"I'm fine, it's just that this feeling is very strange, it was so messy just now, now I can't hear anything."

"Haha, that's it. As long as you fly at supersonic speeds, you can always experience this magical feeling. BOSS, sit firmly, and I'm about to start climbing."

With that, George pulled the joystick slightly, and the plane began to climb at a relatively small angle. In the state of supersonic flight, it is impossible to make violent turning or pulling up and down, so George can only climb in a relatively gentle way.

A few minutes later, the altimeter showed that the altitude at this time had reached a height of 39,000 feet, which was about 11,887 meters.

The F15D has a maximum climb altitude of 19,800 meters, so flying at an altitude of less than 12,000 meters is very easy.

At this time, when the aircraft entered a level flight state, within a few minutes, the speed of the aircraft had already increased to Mach two.

In other words, at an altitude of 12,000 meters, the speed of this F15D at this time has exceeded 2,100 kilometers per hour.

The height of 12,000 meters has exceeded the height of the clouds, so with the clouds as a reference, the speed of Mach 2 is immediately highlighted.

To be honest, Yang Jing has never experienced such a fast speed since he was a child, and it is estimated that more than 99.999% of the people in this world have never experienced such a speed.

The speed of 2100 km/h does not sound very fast. Compared with the speed of space shuttles and other spacecraft, which are more than 30,000 km/h in space, it is really insignificant, but there is no reference in space, even if you A hundred times the speed of sound, I can't feel coming.

And now flying above the clouds at a speed of nearly 600 meters per second, that feeling is really unparalleled. What kind of supercars, what kind of helicopters, are all weak at this speed.

And now I was flying above the clouds, and there was no occlusion from above. The strong sunlight directly penetrated the atmosphere and irradiated here, coupled with the reflection of the clouds below me, so that there was a patch of white flowers everywhere. But looking up at the sky, you can find that the sky is bluer, deep blue, and pure blue.

At this time, after a minute of flying at Mach 2 speed, George began to slow down. Even a heavy fighter cannot continue flying at such a high speed for a long time. As for those fighters in the American science fiction blockbuster "Top Secret Flight" that can fly over one-third of the Pacific at a speed of more than Mach 4, that scenario can only appear in movies at present, and it is impossible to do it in reality.

"BOSS, how do you feel? Isn't it exciting?"

"Well, it's very exciting. It turns out that supersonic flight is what it feels like! Yes, very good!" Yang Jing did not hide his feelings. Those who deserve praise must be praised.

"BOSS, you felt the extreme speed just now. Next, I would like to invite you to feel the extreme altitude. I will continue to climb in a while and take you around the stratosphere. The altitude will exceed 50,000 feet."

"Fifty thousand feet? Isn't that more than fifteen thousand meters?" Yang Jing was a little surprised.

"That's right, it's more than 15,000 meters in the sky, where the real stratosphere is. Although our current position is almost the same as that of the stratosphere, this height is not enough. The higher you go, the scenery will be better. The more beautiful. BOSS, I promise you will be very shocked when you reach that height."

"OK, then go up and have a look."

At this time, Yang Jing and George had already put on oxygen masks. Below this height, people would never be able to stand without them.

Although the speed of the F15D has dropped, the altitude is constantly rising, and the numbers on the altimeter are constantly breaking new heights. I have to admit that even if the F15D is an old model that has been in service for nearly 50 years, the performance of this aircraft is really not blown out.

Continue to climb from an altitude of 12,000 meters, although the speed is not as fast as the climb below 10,000 meters, but it also made Yang Jing frightened.

Even a minute was useless, the F15D steadily crossed an altitude of 15,000 meters.

"Boss, the current height has exceeded 50,000 feet, and this height has completely entered the stratosphere. Well, I don't know if you know if you know whether the B-2'Ghost' stealth strategic bomber?"

"I know that aircraft, which is known as the most expensive aircraft in the world, and it is stealthy and looks amazing."

"Haha, that's right, B-2 is really amazing. When the thing is performing its mission, it is flying at this altitude or even higher altitude."

At this height, there are no clouds above my head at all, and all the clouds are below me. The sky at this altitude is bluer and the visibility is higher. Yang Jing can even see the moon faintly under the direct sun.

Flying at an altitude of more than 15,000 meters is no longer called "high-altitude flight", but "ultra-high-altitude flight." Airplanes that can usually fly at this altitude are mostly high-altitude reconnaissance aircraft or strategic bombers. Ordinary fighter jets rarely fly to such a high altitude~lightnovelpub.net~Because at this altitude, the air pressure is already very high. If the air is low, the air will be thin, which will adversely affect aircraft engine performance and aircraft aerodynamic performance, reduce the aircraft's gravitational force and drag, reduce acceleration and deceleration performance, and deteriorate the aircraft's stability and controllability. As long as it is a little careless, it will cause dangerous situations such as stalling spirals, pitching and swinging, and in extreme cases, it will also cause aerial parking.

Therefore, unless it is necessary to test the performance of the aircraft, the fighter will fly to such a high altitude, otherwise the fighter will usually move at an altitude below seven kilometers.

This is the same as a fighter jet that does not fly at supersonic speeds under normal conditions. Whether it is supersonic flight or super-high altitude flight, the damage to the fighter itself is still quite large.

It was only this time that George pulled Yang Jing to the sky, and how he had to let the BOSS feel the extreme speed and altitude, so George flew at a speed of Mach two, and then came to an altitude of more than 15,000 meters.

George’s actions were indeed appreciated by Yang Jing. Yang Jing just didn’t want to like it. Whether it was the rapid flight or the super-high-altitude flight, Yang Jing had never experienced it before, even if he had a cow. The incomparable holy ring, but the holy ring is the most that can lead him to pretend to be compared, but it is absolutely impossible to take him to fly...

After feeling the altitude and speed, George began to control the descent of the fighter. In fact, less than twenty minutes have passed since takeoff, but in these twenty minutes, at least one thousand dollars of aviation fuel has been burned.

When the fighter is flying at supersonic speed, it is an out-and-out oil tiger!

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