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Although it does not take very long to replace the engines of these three planes, Qiu Shi and his base also dispatched relevant technicians to come to Tiangong Technology, and cooperate with Tiangong Technology's technicians to replace them together. The three non-motorized engines.

This reduced the replacement time, which would have taken at least half a month, to at least half. In just one week, Tiangong Technology completed the replacement of the engines of these three aircraft.

After the installation of the engines was completed, Qiu Shi and his base immediately carried out a test flight of these three aircrafts. The overall performance of the engine is far superior to that before the replacement of the engine.

However, compared with the aircraft using the tg-wsx2 engine, the maximum speed can only reach Mach 2.8, and the maximum practical altitude is 28,500 meters.

The flying altitude and speed of the two aircraft using turbojet engines are much higher. Among them, the aircraft using the tg-001 engine can reach a maximum flight altitude of 3200 meters and a maximum speed of Mach 3.3.

Such a speed and altitude made Qiu Shi and others feel pleasantly surprised. After all, such a speed is a veritable supersonic aircraft, and it is not a test aircraft or a reconnaissance aircraft, but a veritable fighter jet.

And the No. 16 fighter, which used the tg-002 turbojet engine, brought Qiu Shi and the others no longer surprises, but shocks.

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After all, the thrust of the tg-002 turbojet engine is far from comparable to that of the 001 engine. Its single thrust is much higher than that of the tg-001, so the No. 16 fighter equipped with this engine, Theoretically, it can reach a speed of at least Mach 5 and above, and the maximum flight ceiling can also theoretically reach at least 36,000 meters.

Of course, this is only in theory. In fact, during the flight test, the plane's top speed only reached Mach 3.5, so Qiu Shi and the others ordered the test pilot to slow down the plane's speed.

After all, this aircraft is just an ordinary No. 16 fighter. Although during the transformation process, Wang Bin and his Tiangong Technology have carried out a series of reinforcements and sprayed high-temperature resistant coatings on this fighter, but if the speed of the aircraft, If it goes up again, the aircraft's body and aircraft skin will not be able to bear it.

Because, when the speed of the aircraft reaches Mach 3.6, the high-temperature-resistant coating on the skin of the aircraft has already appeared. If it is accelerated again,

Then the high temperature resistant coating of this aircraft is likely to fall off, and the consequence is that the skin of the aircraft will definitely melt at the high temperature generated at high speed.

As for the maximum flight altitude, during the test flight, the aircraft once reached a height of 36,500 meters, but this altitude is not a practical ceiling, because according to the aircraft records, when the aircraft reached an altitude of 33,000 meters, the engine of the aircraft had already Turn off the flame, because at this altitude, the concentration of oxygen contained in the atmosphere is not enough for the engine of the aircraft to continue to work, so when the aircraft flies to this altitude, the engine has automatically turned off.

Of course, turning off the engine of the plane does not mean that the plane cannot continue to fly upwards. After all, the speed of the plane has reached about Mach 3.6 at this time, so after the plane is turned off, the plane will continue to fly under the action of inertia. After reaching an altitude of more than 36,000 meters, it began to slowly descend. When the altitude of the aircraft dropped below 33,000 meters, the pilot was able to restart the engine again.

Of course, it is precisely because of this that Qiu Shi and others were so shocked by the test flight of the No. 16 aircraft equipped with the tg-wsx2 turbojet engine. The flying speed of the air, most of the anti-aircraft weapons in the world are out of reach, unless they use weapons against satellites and energy weapons.

But whether it is the No. 16 fighter equipped with a 001 or 002 turbojet engine, it also has its own flaws, that is, in terms of endurance.

You must know that the original No. 16 fighter has a very good maximum battery life, with a battery life of more than 4,000 kilometers. However, after installing a 001 or 002 turbojet engine, its maximum battery life at low altitudes The mileage has been directly shortened by one-third, especially the one equipped with the 002 turbojet engine. At low altitude, the mileage is less than 3,000 kilometers. Of course, if the aircraft is at 30,000 meters If the high-speed flight is carried out at the above altitude, the maximum straight-line flight mileage will reach about 4,500 kilometers. This kind of flight mileage has also reached the same level as before.

As for the one using the tg-wsx2 turbofan engine, its maximum cruising range is nearly five or six hundred kilometers longer than the original version.

In front of the three No. 16 fighters that had undergone engine replacement by Tiangong Technology, after the test flight, Master Qiu and the soldiers at the base were very satisfied.

At the same time, Master Qiu also reported all the data of the three planes after the test flight to his superiors. Unsurprisingly, this report attracted the utmost attention of his superiors, and made Master Qiu issue an order to Tiangong Technology. An order for 100 engines is used to transform and replace the remaining batch of No. 16 fighters.

And unexpectedly, in this order, the number of turbojet engines far exceeds the number of turbofan engines, and most of the 002 turbojet engines are offshore. Say hypersonic aircraft attaches great importance to.

Although the modified No. 16 fighter is not a stealth aircraft, and when flying above Mach 3, the aircraft must be sprayed with a high-temperature resistant coating, but it is undeniable that once the speed of the aircraft exceeds Mach 3 , the safety of the aircraft will be greatly increased, and at the same time the efficiency of combat, especially when fighting against the ground, will also be greatly increased.

After Qiu Shi and Tiangong Technology signed the engine order again, the engine manufacturing department of the entire Tiangong Technology became more and more busy. This also forced Wang Bin to purchase an engine production line from the mall again, and The annual output of this production line can reach a maximum of more than 2,000 units. At the same time, the degree of automation of this production line is also very high, which greatly relieves the pressure on Tiangong Technology's engine manufacturing capacity.

Of course, although the production efficiency of this production line is very high, the energy coins required to purchase this production line are not small, but fortunately, Wang Bin has already accumulated a lot of energy coins in the hands of Wang Bin. For Wang Bin, the production line is no longer distressed.

Of course, products like the engine production line already have design and manufacturing capabilities with the capabilities of today's engineering technology, but due to the time required, it will take at least half a year. If you want to design and build a production line with a high degree of automation, then The construction time needs to be at least doubled. In fact, this is why Wang Bin didn't let Tiangong Technology make it himself, but bought it from the mall.