In fact, several key issues that Roland talked about earlier were followed by air defense.

As a man who has seen modern warfare, the importance of air superiority is almost as engraved in his mind as an article of faith, because the breadth and depth of the sky makes it possible for the superior side to attack from any direction and at any time. Before the advent of radar, such an attack could not be prevented. Without reliable air defense, trying to set up an artillery position under the nose of the devil is tantamount to a dream.

Now he was sure that the Devil had approached the western border more than once since Lorga fled back to Neverwinter. Otherwise, they would not have been able to tell that this was a city dominated by ordinary people, and would try to repeat the threat of the First War of the Divine Will.

But whether it was the outpost on the Desperate Mountain Range, or the Divine Punishment Witch who went out of the defense line to conduct early warning and reconnaissance, they never noticed it in the slightest, and if it wasn't for Sylvie taking over the vigilance, I am afraid that this round of attacks would not be able to react until the enemy appeared outside the city walls.

This has amply proven that under the current state of technology, the vast sky will be the biggest hole in the defense of Neverwinter.

After all, the Air Force was an unimaginable concept for those days.

After learning that the devil had a flying dinosaur, Roland had been thinking about air defense, but unfortunately no one expected that the devil would appear so early, so that none of the planned desperate defense lines, telephone networks, and new weapon research and development were actually completed.

He was not surprised that the First Army failed to achieve results, the revolver rifle was used as a transitional weapon, used to supplement the blind spot of artillery fire and machine gun fire, and was relatively useful when cleaning the battlefield, but its shortcomings were also increasingly prominent, and the limited chamber pressure led to its low accuracy and short range; In addition, the anti-aircraft shooting has lost its usual stable fulcrum, and it cannot be adjusted by the error in judging the impact point, and its hit rate can be imagined.

It is not impossible to improve the situation in a short period of time, and the easiest way to do this is to make changes to the above points.

The phase-out of the revolver rifle and the replacement of the new bolt-action rifle were planned, but some of the parts still needed to be machined by Anna, so the Precision Marksman team was only equipped on a small scale. But as a new generation of machine tools came into use, workers became familiar with new manufacturing methods that could be assembled without relying on witches. Once the yield rate is guaranteed, it is not a problem to increase the production capacity of this part.

However, it is difficult for some strong people to rely on a few rifles for air defense, and compared with the revolver, although the accuracy and range of the former will increase, the rate of fire will decrease. In addition, the complex structure of tracer bullets is difficult to withstand for the bullet production line that is already running at full capacity, even if the technical research starts now, when it can be stably mass-produced, I am afraid that the evil moon will pass.

Therefore, bolt-action rifles can only be used as auxiliaries, and the First Army also needs a targeted anti-aircraft weapon.

The advanced fire control route Roland estimated that it was basically no play, and the barrage coverage flow became his only choice.

The easiest way to achieve results is to convert the Mark I heavy machine gun into an anti-aircraft machine gun, which is also a common practice in history, without adding the slightest burden to production and logistics, and only by designing a set of high-level dual-purpose mounts and sights, a certain amount of low-altitude defense capability can be obtained.

He had previously designed the Mark I with no water-cooled sleeve and a lightweight, air-cooled barrel, also for reasons that were later retrofitted.

The heavy machine gun has a high rate of fire, a long range, a high power, and a short range of projectile drops, which is just enough to deal with a madman with a limited throw range, and if the devil had two Mark I machine guns that can shoot in the air when attacking the city walls, the result may be completely different.

After announcing the end of the meeting, Roland did not immediately return to the office, but first went to the arithmetic institute.

Located at the southern end of the Castle District, this up-and-coming compound echoes the chemistry lab next door, and is mostly made up of astrological societies. However, under the aura of the sage's learning, many city-dwellers who have recently completed their primary education courses have chosen to work in the Arithmetic Academy, and even one or two percent more applicants than those who have joined the Alchemy Association.

Roland speculated that this was probably due to the frequent explosions in the laboratory.

The Diffuse Star Master greeted him in the hall.

After the salute, the chief astrologer excitedly expressed the profundity and beauty of mathematics.

"Your Majesty, please forgive me for my faux pas, the book you gave me earlier is a masterpiece of the gods! I never imagined that one day the world would be so clear, it has nothing to do with the brightness of the eyes, but with the way one thinks. Even if I grow old and my eyes are dizzy and I can no longer look up at the stars, the world is still clear. For example, your curly hair is pure numbers and symbols in my eyes, and your robes and boots......"

Seeing that the other party couldn't stop for a while, Roland had to interrupt him, "Have you mastered all the contents of the book?"

"I don't dare to say certainly, but most of them should be fine," Diffuse Star reined in his emotions, "In the past six months, in addition to the calculation tasks you have assigned, everyone has been busy with a huge task, that is, to re-record all the stars observed in the past in the form of equations. For this purpose, we have established the coordinates of the starry sky, and we have also determined that the star of destruction, which is what you call the red moon, has no signs of movement. ”

In the past, Roland had paid attention to the Red Moon, after all, its arrival symbolized the beginning of the battle of the gods, but now that the devil has appeared, it is pointless to pay attention to this countdown star.

"I have a new calculation task for you to do, and the sooner the better," he said straight to the point, "but this time it's not just simple arithmetic, but also to cooperate with the First Army to solve practical problems." ”

"Do you mean writing an artillery firing table like last time?"

"It's more complicated," Roland shook his head, "and you'll have to make a machine that can predict the movement of the target with the help of the craftsman." It is governed by two mutually influencing equations, one describing the displacement in the horizontal direction and the other in the vertical direction. I have a general design idea here, but the specific parameters need to be determined after your actual measurement. ”

This is a simple anti-aircraft sight prototype by setting the target's course, distance and other parameters, you can give the gun body the required high angle and advance angle, so as to spread the rain of bullets on the enemy's flight path to complete the air blocking. It does not require any electronic equipment, the structure is fully mechanical and manually operated, the only thing required is a calculated shooting meter,