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"Drilling Monkey? Wow~~~ This name is grounded and domineering at the same time!"

"Hey, Diamond Sky Monkey~~~~ The meaning is so rich!"

"2C? Why not 2B?"

"It's not easy. You know with your heels that ZTM-NB has gone a long way on the launch vehicle. At the very least, the Diamond Monkey-1 series is an example. "

"Damn, ZTM-NB is so awesome!"

"Isn't that nonsense, it depends on the name of the company, where is the cow~~~Forced, it is called really M cow~~~Forced..."

After Zhuang Jianye exposed the Drilling Monkey-2C liquid oxygen-kerosene carrier rocket, the audience on the interactive platform immediately fryed the pot. Unexpectedly, the ZTM-NB company was actually developing the carrier rocket. There are already mature models.

This can make the audience in front of the TV very excited. You must know that usually they can also watch the launch vehicle shots on the TV. People who are not professionals in the factory don't know what is going on.

Because of this, when Zhuang Jianye said to take them to see Diamond Monkey-2C, even out of curiosity, the audience in front of the TV was full of anticipation.

Zhuang Jianye didn't let the audience in front of the TV wait for too long. Following the camera lens, he turned two workshops and came to the entrance of a huge factory building.

After doing some simple dust-proof treatments, Zhuang Jianye led the live broadcast team into the factory, and then an uncontrollable exclamation erupted on the interactive platform.

"Oh my God, this plant is so big!"

"Rocket~~~I saw the rocket~~~"

"Then it should be Diamond Monkey...Yes, there is no ZTH-2C on the rocket, isn't it the pinyin abbreviation of Diamond Monkey!"

"It's really a diamond monkey, huh~~~ How come it looks like the launch vehicle I saw on TV? It doesn't seem to be any different..."

…

When the live footage gave a close-up shot of the Diamond Monkey-2C carrier rocket parked in the factory, Zhuang Jianye took the opportunity to drink water to moisturize his throat, and then briefly communicate with Ju Tao to see if this routine works.

Ju Tao didn’t say anything, and pointed his thumb up at Zhuang Jianye: “Brother Ye, I really took it today. You don’t know the ratings, you directly broke the record of our international channel, except for the Spring Festival Gala and the news broadcast. , Focus interviews, and weather forecasts, you have the most live broadcasts."

Zhuang Jianye drank his mouth water, then handed the thermos cup filled with wolfberry, wild chrysanthemum and honeysuckle to his assistant, and nodded: "If this is the case, then follow this routine."

"Well~~ Continue to carry forward the advantages of your interaction with the audience, and present the characteristics of the Diamond Monkey-2C carrier rocket!" Ju Tao squeezed his fist at Zhuang Jianye to show encouragement, and Zhuang Jianye also raised his thumb to Ju Tao. He said that there was no problem. Soon he took off the gray T-shirt that was a little wet with sweat, and took a exactly the same style from the assistant. Then he walked to the camera, as if he was surrounded by the Rocket Rocket. The journey was really the same as Zhuang Jianye personally took.

"Let's see what comments the family members have left, after all, I didn't pay attention after walking all the way!"

With a few breaths in his tone, Zhuang Jianye immediately looked at the interactive screen, frowned slightly, and read: "Why is the Dragon Sky Monkey the same length as other launch vehicles?

Haha~~ This question is interesting. The principle of a rocket is actually very simple. It uses the recoil principle to send a spacecraft into space at the first cosmic speed.

From this point of view, the efficiency of the cylinder is the highest, because this structure can not only reduce the air resistance, but also can load more fuel.

Our Diamond Monkey-2C carrier rocket is a typical liquid oxygen-kerosene liquid rocket with a total length of 45.6 meters. The diameter of the first two stages is 3.35 meters, and the diameter of the third stage is 2.25 meters.

The first stage uses 4 DPZ-2D liquid oxygen-kerosene rocket engines in parallel, and the second stage uses one DPZ-2D liquid oxygen-kerosene rocket engine and four single adjustable DPZ-1B with a thrust of 4 tons. For the swimming rocket engine, the third stage uses a DPZ-1C liquid oxygen-kerosene engine with a thrust of 5 tons.

The total launch mass of the Diamond Monkey-2C launch vehicle is 228 tons, the carrying capacity of low-Earth orbit is 12.6 tons, the carrying capacity of geosynchronous orbit is 4.6 tons, and the carrying capacity of sun-synchronous orbit is 1.2 tons.

From the perspective of carrying capacity, the early models of the CZ-3 series, which have exceeded the aerospace system, are basically at the same level as their improved CZ-4. However, compared with the CZ-4, our launch mass is smaller and the payload Bigger..."

"Zhuang Dongwang, I am an employee of a certain aerospace factory. From the point of view of the launch quality, your Diamond Sky Monkey is at the level of CZ-3. Even CZ-3A and CZ-3B have not reached the level. How could it be possible? Achieve an excellent carrying capacity of 12.6 tons in low earth orbit and a carrying capacity of 4.6 tons in geosynchronous orbit?

Knowing that this level is comparable to that of a heavy-duty launch vehicle, and even the ability to perform space station and lunar exploration is sufficient, I can hardly believe that a liquid rocket with a take-off weight of far less than 300 tons can achieve this level. "

"This question is great!"

Seeing a professional suddenly appeared on the interactive platform, Zhuang Jianye seemed particularly happy: "First of all, I would like to thank this audience named'I am an astronaut' for his enthusiastic support. The question is very professional and very in-depth. To be honest, I almost got it. Wang Ge, who knows about spaceflight, asked me.

Just kidding, first of all, make it clear that in addition to the strong reasoning of the engine, another technical route to increase the load is to increase the overall thrust-to-weight ratio, which involves the overall weight reduction of the rocket.

Generally, the outer shells of CZ-2, CZ-3, and CZ-4 in the aerospace field are made of ordinary aviation aluminum alloy. Because of the propellant, most of them are made of special corrosion-resistant alloy steel. Of course Titanium alloys are also used, but the cost is too high to be used for general civil aerospace launches at all.

However, the weight of alloy steel is very large, which causes the weight of CZ-2, CZ-3 and other models to account for a large part of their own weight, and accordingly reduces their own effective load.

Take CZ-3 as an example. Its low-Earth orbit carrying capacity is 3.9 tons. The geosynchronous orbit is only 1.45 tons. Therefore, CZ-3 can only be used with additional assistance for subsequent improvements. The thruster adopts a bundled structure to increase the thrust while increasing the effective load.

Since our Diamond Monkey-2C uses the most common kerosene and does not need to use special corrosion-resistant alloy steel, it can be loaded with lighter materials. In this regard, we chose China Ascendas Aviation Materials to develop and produce The T-NB525 aluminum-lithium alloy is not only used in kerosene fuel tanks, but the same material is used for the shell of the rocket. Due to the extensive use of such lightweight materials, our Diamond Monkey-2C is compared with the same level. CZ-3 loses more than 55% weight on the body of the arrow.

In addition, please don’t forget that our DPZ-2D liquid oxygen-kerosene rocket engine weighs less than 600 kilograms per unit, while the liquid rocket engine used by CZ-3 can be as high as 2.8 tons. How much weight loss? What's more, we use a lot of carbon fiber composite materials in the fairing and internal support structure..."

If Zhuang Jianye didn’t start it, he just started to confuse the audience in front of the TV...

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