In the laboratory under White-Patterson Air Force Base, William Stillman and a group of people are talking to the engines in the laboratory, making final preparations.

These were experts in engine development, and this prototype engine was developed by these men together with William Stillman.

Although William Stillman is the chief engineer, the aircraft is not something he can develop alone, a fighter involves a lot of technology, no one is an all-rounder, and a person who can be proficient in several aspects of technology is considered a genius!

"It's so beautiful! Every time I see these things that can change the world, I always get excited!"

Next to William Stillman, a middle-aged man looked obsessively at the engine in front of him and muttered to himself.

He wore a pair of gold-rimmed glasses, a modest Armani suit, and when he raised his hand to hold his glasses, he could still see a Vacheron Constantin on his wrist, although this dress did not match the crowd of people in white coats all over the room, but he looked polite and cultivated, more like a man born into a famous family than William Stillman.

And this person's name is Fatih Turan, he is not a researcher of fighter aircraft, he is an investor, to be precise, he is an investor and financier of the sixth-generation aircraft of the United States.

But he is not a businessman, and he has less of a mercenary atmosphere of a businessman and more of a temperament of reading poetry and books. And what he invests in is also different from the average businessman.

Ordinary businessmen either invest in real estate, stock markets, funds, or precious metals and corporate projects, Fatih Turan does not invest in any of them, and his clients are contractors of the United States, the Army, the Air Force and the Department of Defense, and he only invests in cutting-edge military technology. And there is no need to reciprocate.

Is there really such a stupid person in this world, taking a lot of money to invest and not wanting any return?

Yes.

Fatih Turan is not an ordinary investor, he is a senior project leader at the Advanced Research Projects Agency of the Ministry of Defense.

The U.S. Defense Advanced Research Projects Agency (DARPA) is known as DARPA.

And what is this bureau for?

This bureau is responsible for the research and development of high-tech for military use, preventing the United States from suffering scientific and technological breakthroughs, and also creating scientific and technological breakthroughs aimed at the enemy. To put it simply, it is to prevent others from crushing themselves with technology, and at the same time use technology to crush others.

Fatih Turan is the senior project leader in DARPA, he has billions of dollars in his hands, and his task is to find some interesting projects to invest, in fact, state support, but this money is chosen by Fatih Turan to whomever he chooses.

But don't think of Fatih Turan as a wrongdoer, thinking that you can cheat him out of his money by doing a little thing, if you think so, you are very wrong.

Although Fatih Turan is the project leader and investor, he is not an idiot, he is a proper scholar and a scientist!

Fatih Turan graduated from the Massachusetts Institute of Technology and was William Stillman's brother, especially in mechanics, power, and engineering.

In DARPA, whether it is a senior project leader or a general project leader, all of them are scientists in various fields, but these people do not do experiments but use professional knowledge to make investments, and it is impossible to fool these people.

That's why DARPA is looking for scientists to be project leaders.

DARPA invests in high-tech projects, and ordinary people don't know how to understand these things, and they don't know if they are fooled, and let a group of scientists in various fields be the project leaders, in addition to not being fooled, these people can also judge the feasibility of the project and find the most valuable project from many projects.

And it is precisely because DARPA has a group of professional investors that it has played a remarkable role and bred many disruptive technologies.

Lasers, Global Positioning Systems, Unmanned Aerial Vehicles, Block Launch Satellites, Mobile Phones, Internet, Airborne Ground Target Tracking Technology, Advanced Avionics, New Aviation Materials, Space Shuttles, Missiles, ...... And so on, there are DARPA investments.

And William Stillman's research and development of the sixth-generation aircraft, this cross-era product, DARPA will naturally not let go.

"yes, isn't what we're learning to change the world?" sighed William Stillman.

"Then let's witness this moment together!" Fatih Turan smiled.

"Good!"

William Stillman nodded, nodded to the operator next to him, and motioned for the operator to begin the experiment.

"The thirteenth experiment of the supercomposite ramjet engine begins!"

"Ignition!"

The operator saw William Stillman's gesture and pressed the ignition.

William Stillman began a series of experiments after building a prototype, but the dream is very full, the reality is very skinny, the previous twelve experiments have ended in failure, but William Stillman is not discouraged, because every new technology is born, it must experience countless failures, Edison failed thousands of times when inventing the light bulb, the engine of the fighter is more difficult to build than the light bulb, and it is too normal to fail more than a dozen times.

As soon as the operator pressed the ignition, the engine in the lab began to work, and the huge roar shook the tempered glass around it, as if it would shatter in the next moment.

R&D is risky, experiments need to be careful, the super-composite ramjet engine is a new type of engine, the fuel used is not ordinary aviation fuel, if there is a little accident during the experiment, a room of people will become coke, so for the sake of safety, William Stillman installed a protective cover with tempered glass in the laboratory, even if the engine accidentally explodes, everyone can be safe and sound.

"Huhuhu...... Phew!"

"Report sir, the engine suddenly stalled!"

Just when everyone felt that the tempered glass was about to break, the engine suddenly stalled and did not work, and this experiment ended in failure again.

"At what temperature does the engine stop working?"

William Stillman was not discouraged by another failure, and if a dozen experiments had been successful, the engine would have been developed long ago, and he would not have had to work so hard.

"2352 degrees. ”

The operator returns.

"It seems that this is the limit, and to solve this problem, we have to find a material that is more resistant to high temperatures, and we must also continue to improve the cooling effect. ”

Fatih Turan said lightly, he has long predicted this experiment, the temperature of the supercomposite ramjet engine will reach 3000 degrees when working, and at such a high temperature, many materials will melt, which is also one of the difficulties in engine research and development, the temperature is too high, the metal inside the engine will melt, and it will naturally not work after melting.

This problem seems to be very easy to solve, just find a material that can withstand 3000 degrees, but the difficulty is that among the known metals, no kind of finance can withstand 3000 degrees, ordinary steel will melt at 1500 degrees, and special steel can only withstand 1750 degrees at most, the reason for William Stillman's previous failures is that the engine material can not withstand such temperatures, this time he used new composite materials, but it can only withstand 2352 degrees, far from meeting the requirements.