After hearing Xiang Shixiong's words, Wang Bin thought about the properties of his glass.

As Xiang Shixiong said, if the fuselage of this drone really uses this glass, as long as the engine is strong, it is not impossible to reach a speed of Mach 4. However, the temperature of the fuselage at this time will also rise to the limit that this glass can withstand.

Moreover, such a speed can only be achieved at an altitude of more than 10,000 meters. If the altitude of the drone is less than 10,000 meters, then flying at this speed will only cause the temperature generated by the friction between the glass and the air to exceed the temperature limit that their glass can withstand.

Of course, if the speed below Mach is less than Mach, the high temperature resistance and other properties of this glass can still be eaten.

So Wang Bin said: "Indeed, if we use our glass as the body, the speed of 4 Mach at a high altitude is not a problem. Even at low altitude, the speed of 3 Mach is still bearable."

"The specific data of our scientific researchers at Xifei have been calculated, so it is absolutely no problem. The biggest problem now is whether your Tiangong Technology is capable of using this glass to create the body of this drone.

After all, the fuselage of this drone is not made up of flat glass. Take the wings of this drone for example. The wings are integrated wings. They must be completed at one time during the production process, and there must be no deformation at all. Otherwise, the drone will easily lose control during flight, especially during high-speed flight.

In addition, there is also the segmented part of the fuselage, which is very technically difficult. The segmented part of the drone fuselage requires that there are no thorn marks on the surface and no bulges. This is a little bit of burrs on an aircraft with a speed of Mach 4, which may cause problems with this aircraft.

Finally, there are no errors in the nose and tail parts,…………………”

With the introduction of Xiang Shixiong and these two engineers, Wang Bin has a basic understanding of the technical difficulties in manufacturing the fuselage and wing parts of this drone. At the same time, he is also thinking about how to solve these technical difficulties.

After Xiang Shixiong and his friends introduced all the technical difficulties of this drone fuselage, Wang Bin fell into thinking. The manufacturing of this drone fuselage is a very big challenge for Wang Bin.

The first thing is the thickness of the fuselage glass. According to their previous introduction, Wang Bin believes that the thickness of the fuselage glass of this drone cannot be too low, at least not less than one millimeter.

Otherwise, the heat generated by the aircraft when flying at high speed will definitely make the components inside the drone unbearable. After all, the thinner the thickness, the worse the heat insulation performance. Therefore, if you want to ensure the safety of internal components, the glass must be at least one millimeter, and it is best to reach two millimeters thick. However, in this case, the weight will definitely be more than twice as heavy as one millimeter thick or even thinner glass, which will have a significant impact on the overall performance of the entire drone.

However, Wang Bin suddenly thought that one millimeter thick is enough, and there is no need to increase the thickness of the glass, because in terms of heat insulation, in addition to the glass on the fuselage itself, Xifei will definitely use other technologies to increase the insulation performance at that time, such as applying heat insulation layers on the fuselage, etc.

After a long time, Wang Bin said to them: "Mr. Xiang! Regarding the fuselage of this drone, we Tiangong Technology can try it with glass. Please don't have too much hope. Although the glass of our Tiangong Technology is advanced, we have never thought about whether it is feasible. No one knows whether it is feasible. The most important thing is that although this drone is not big, the structure of many parts of the fuselage is a bit complicated!"

"Well! I know, in fact, we are trying this out. After all, using pure glass to make the fuselage is the first time you try! As long as you try your best," said Xiang Shixiong.

Then Xiang Shixiong finally opened his briefcase and took out a document data and said to Wang Bin: "Mr. Wang, these documents are the glass data we ordered this time. Please keep it. At the same time, please keep it confidential. I won't say much about the specifics. We hope to wait for good news from your Tiangong Technology."

Afterwards, Wang Bin and Xiang Shixiong and others chatted for a while. Just when Xiang Shixiong was about to get up and say goodbye, Wang Bin spoke to Xiang Shixiong and said, "Mr. Xiang, I wonder if your company needs the bearings of the aircraft and engines?"

"What? The bearings of the engine? Have your company developed something good during this period? Is it because Professor Hu's research has made a breakthrough? I remember that when Professor Hu was on duty, he was engaged in this research. Even after he retired, our company wanted to hire him, but in the end he was picked up by your Tiangong Technology."

Speaking of this, Xiang Shixiong continued with interest: "Mr. Wang! Can you tell me about the specific performance of this bearing? If the performance meets the requirements of our Xifei Aircraft Corporation, we don't mind using your Tiangong Technology bearings."

Wang Bin did not refute Xiang Shixiong's belief that this is the glass developed by Professor Hu. He said: "The performance of this bearing is very excellent. Its maximum high temperature resistance reaches 2,300 degrees, and the performance of the bearing will not change much before the temperature reaches the limit. At the same time, the minimum life of this bearing has reached more than 5,000 hours according to our estimates.

Of course, this is just our expectation. After all, it has only been one or two weeks since our bearing was developed. Even if it is uninterrupted for 24 hours a day, it is only a few hundred hours. Therefore, the data it has is still under test. However, according to Professor Hu's calculations, the life of this bearing will definitely not be less than 5,000 hours."

As he said that, Wang Bin took out the bearings he had asked Jiang Zongliang to Professor Hu from the drawer of his desk and handed them to Xiang Shixiong, and then said again: "Mr. Xiang! This is the aviation bearing we made. However, since the manufacturing of this bearing requires a variety of strategic scarce materials and ultra-high precision CNC machine tools, we did not manufacture them on a large scale. Until now, we have only made some for testing.
Chapter completed!