Belanger, an exchange student who joined the Aerospace Engine Interest Group of the Aircraft Exploration Association, had a very fulfilling time.
Growing up, Belanger often learned knowledge too quickly and it was too difficult to acquire new knowledge. As a result, he could only daydream in his mind most of the time, thus appearing dull in his demeanor.
Arriving at the Phoenix Kingdom is like a fish in water. There is so much free knowledge here. Just an aircraft engine can dazzle people with the types of knowledge involved.
When I first joined the Aircraft Exploration and Mechanics Association, everyone was aware of only piston engines.
There are radial engines used on Civil Aviation Administration aircraft, X-type and V-type engines made by students in interest groups to reduce complexity, and external combustion piston engines made as toys, as well as magic based on them. Some classifications of modifications.
Later, at the capital relocation parade, I saw a new thing, a propeller engine with a loud roar.
The thing then became a favorite among interest groups, and a group of students tried to parse its structure.
Only then did Belanger remember that the plane that brought them to the penal colony and brought them to the Phoenix Kingdom seemed to have the same sound.
Looking back carefully, I only saw the rear of the engine.
Regardless, he tried to restore it and tell his classmates in the group.
The aircraft seen during the military parade are propeller-powered, which means that the transmission shaft must still be retained in the engine. Various types of piston engines can be shaft-driven. However, referring to the tail shape provided by Bélanger, everyone is confused. Confused.
The team specially organized a visit to the central airport and concluded after research that, regardless of whether it is water-cooled or not, there is no need to open the tail of the piston engine pod, and there is no need to deliberately pursue the classic round shape.
So this thing should not be a piston machine, but a new configuration.
So aside from the piston, where does the shaft power that drives the propeller come from?
Magic power?
The possibility is extremely low.
As students at the Magic Academy, we have conceived and trial-produced many small-scale magic power solutions. Facts have proved that the continuity of magic output kinetic energy and real-time controllability are not as good as the piston type. The only advantage is that it has strong instantaneous explosive power and is suitable for use in the startup stage. .
The interest group struggled for a while but still couldn't come to a conclusion, but an astonishing fart sound in the sky nearby gave them inspiration.
The fart sound came from the newly delivered administrative speed car. After the inquiry was cleared, the students called on their group instructors and their respective instructors, and a group of people signed up to visit the Redstone Aircraft Manufacturing Factory.
There was no difficulty there, and they were soon shown another configuration, the pulse jet engine.
The pulse is essentially the same thing that happens in the cylinder of a piston engine, except that it is simpler and the explosion frequency is hundreds of times that of a piston engine.
It is definitely not the kind of engine found on parade aircraft, and not to mention the sound, there is no way this thing can power the shaft.
But is it really so?
Belanger raised an objection: "A piston engine uses explosions to push the connecting rod. If the engine is regarded as a single cylinder, is it possible to use explosions to drive something like a propeller to form shaft power?"
His words hit the nail on the head, and the answer must be yes.
The students solved some difficult problems while discussing and hands-on, and it didn't take long to create a small-scale model.
There was still a big difference between the screams of the models and the parade planes, but no one cared about that now, it was clear they were going in the right direction.
Then a lot of questions popped up.
"The blades couldn't withstand it for even a minute. It's outrageous. Who thought of this?"
"The shaft is working at such a high temperature. I'm afraid it has been damaged internally. The strength will be reduced."
"Is this method of doing work really efficient? It wastes too much heat. Why is it used in the military?"
The series of questions actually inspired Belanger and a group of senior classmates to fight against this thing.
However, it is really difficult!
!
After several months, the team basically confirmed the configuration.
There must be turbines before and after the combustion chamber. The power shaft and the combustion chamber must be completely separated through the structure. The turbine in the front is small and the turbine in the back is larger. If you want to output strong enough shaft power, you must try to make the gas move at a relatively fixed pressure and When the speed enters the combustion chamber, the rear rotor must have a large enough contact area to output strong shaft power, and so on.
At this point, the small engine model that has grown to a weight of more than ten kilograms can already produce tens of kilograms of thrust. However, the working time limit is between 3 and 5 minutes. It has been paralyzed in various ways, and even exploded, even if it is forced by freezing magic. The heat absorption reduces the thrust, and it is difficult to last for fifteen minutes. It is impossible to work for a long time, and there is no need to talk about lifespan.
Unfortunately, no one here explained to them how far they have to go from a basic jet to an internal and external dual-duct turboprop, and the group professors did not realize that their configuration was completely different from the military type.
During this process, the more the group summarized, the more new problems appeared, so many that even one person could not handle ten.
Belanger himself also continued to refresh his worldview during this period.
Although the piston engine brought a little impact, there are also steam engines in the main world, so it is not difficult to understand the piston engine.
However, with this new configuration, the Phoenix Kingdom was able to break through all the problems and achieve military deployment, which really surprised Belanger. This is definitely not something that one or two people can work hard on, and it requires the support of a very huge system. , just thinking about how many categories of knowledge and manufacturing capabilities are involved gives me goosebumps.
When the senior students in the group were at a loss what to do, the instructor brought news: Five groups, including the Aircraft Exploration Association, Aircraft Power Masters, and Mechanical Toy Factory, would select people to come out to negotiate the construction of the Aircraft Design Institute.
One side of the Air Vehicle Exploration Mechanical Association is the Space Power Association, which studies ground engines, and the other side is the Flight Power Master. It is a bit different from the name. The Exploration Association focuses on power, but the Flight Power Master focuses on fluid power. They not only study flight but also water power. inner.
No one was interested in having a meeting as soon as they heard about it. However, the instructor said that he could meet seniors who worked in Blue Sky Heavy Industry, Redstone Aircraft Manufacturing Factory, and Feathered Serpent Group, and they were immediately excited.
Although many of the questions I want to ask will probably be pushed back for various reasons, but as a senior, it is not good to not give any useful information.
Including Belanger, the group of people who were tinkering with the new engine went to join in the fun. When they arrived at the meeting place, they caught the seniors introduced by the instructor and had a good meal!
The classmates didn't pay much attention, but Belanger, a pure human, noticed that all the seniors who appeared at Blue Sky Heavy Industry were from the Night Clan. There were also other ethnic groups sitting at the Blue Sky Heavy Industry table during the meeting, but the instructor didn't introduce any of them, indicating that it was not a magic school. out.
It has been twenty months since the exchange student came to the place of exile. He has heard some rumors in the school. For example, the king does not like the magic academy very much. For example, there are relatively few people from the magic academy who can enter secret-related companies and institutions, etc.
Now it seems that maybe all those transferred from the Magic Academy to classified units are Sharp Blades and Night Tribes.
Maybe he didn't meet many people and there was some misunderstanding?
