Bright Sword Military System

Chapter 303 Radio
Old Wine is a good question.

The difference between a rocket and a cannonball is that it is driven by a rocket engine to fly to the target, which seems to mean that the flight of the rocket is irregular, so it is impossible to grasp its flight trajectory, let alone its impact point up.

For this problem, the modern approach is to compile a rocket launcher table.

To put it simply, data such as projectile resistance coefficient, drug temperature correction coefficient, and dynamic thrust are obtained after repeated test launches, and then supported by these data, external environmental factors such as wind force, wind direction, air pressure, etc. are added to carry out multiple test launches , and then input the test results into the computer as a reference, and then quickly obtain more accurate elements and launch them towards the target in wartime.

But this method first requires advanced measuring instruments, the most basic of which is to use radar to monitor changes in flight speed and direction in real time.

On the other hand, a large number of rockets are needed, and nearly a hundred rockets are required for any item of drag coefficient, and the whole experiment will consume at least a thousand rockets.

Obviously, the Eighth Route Army could not complete this experiment, because it had no equipment, no time, and no ammunition.

So I can only use the simplest way...Set observation points along the way of the rocket and use angle and time to roughly measure the speed and distance.

These tasks were all done by Su Xin, so Wang Xuexin handed over the right of interpretation to Su Xin.

Su Xin understood, she took out the notebook she was carrying with her, opened it, handed it to Laojiu, and said, "Comrade, according to the observations of our two experiments, the fuel of the rocket will burn out in about one and a half seconds." , the speed of the active section rises from about 34 m/s to a maximum speed of about 372 m/s, and the flight is about 400 meters, and then enters the passive section and relies on inertia to fly to the target!"

Lao Jiu was dumbfounded when he heard this. The "active section", "passive section", and "inertia" were all things he had never heard of.

Wang Xuexin explained: "Let's put it this way, if we hit the longest range of 6 kilometers, the rocket will burn out after flying 400 meters, and then the calculation method is the same as that of the artillery shell, just because the rocket is in the air at that time, the angle will be different. Something is different!"

Old Jiu let out an "oh" and said, "That makes sense!"

Then he nodded slowly: "If the first 400 meters is just a small section that cannot be calculated, maybe we can roughly grasp its law!"

"Yes, yes, yes!" Wang Xuexin said, "What we want is to roughly grasp its laws!"

For rockets, it is almost impossible to accurately grasp its laws, as there are too many uncertainties.

But this does not mean that you can not master its laws.

Otherwise how can you hit the target?

What do you use to fight?

Not sure how to fix it?

"Also, I'm thinking about it!" Wang Xuexin said, "Should we have a few radio stations..."

"Radio?" Li Yunlong asked suspiciously: "What does the rocket launcher have to do with the radio?"

No wonder Li Yunlong found it strange that the radio station was not a cheap thing for the Eighth Route Army. It was worth a donkey cart, at least one hundred yuan in border area currency.

At this time, only the regiment level in the Eighth Route Army could barely match the radio.But now Wang Xuexin wants to match the radio stations for these rocket launchers.

Zhao Gang and Lao Jiu at the side nodded and understood.

"Regimental Commander!" Wang Xuexin explained: "When we fired the [-]-point artillery on the reverse slope fortification, didn't there be soldiers on the ridge line waving flags to tell the gunners whether they were shooting correctly?"

Li Yunlong said "Oh": "That's reasonable. The rocket launcher can travel six kilometers, and you can't see it by waving a small flag. You can only use the radio to contact it!"

The artillery of the Eighth Route Army has not exceeded one kilometer so far, so this is the first time this problem has arisen.

Li Yunlong nodded heavily: "Match, must be matched! Best, with a horse, can quickly rush to the destination and guide the rocket to blow up his mother!"

Zhang Wanhe said: "Of course you have to say that you are worthy, if you are worthy, you will all belong to the independent group!"

The crowd burst out laughing.

Then, the training of the rocket launcher was carried out in two aspects: the operation of the artillery and the cooperation of the observers.

There are three rocket launchers assigned to the independent regiment.

Of the five cars brought by Li Yunlong, three were used to load rocket launchers and two were used to load ammunition.

In fact, each rocket launcher should be connected to an ammunition vehicle, so that scheduling can be minimized during wartime.

But at this time, ammunition production hadn't caught up, and the arsenal took more than ten days to produce more than fifty rounds. It would be a waste to transport such a small amount of ammunition with three vehicles.

Wang Xuexin's request for the radio station is five: three of them are assigned to a small team of artillery observers to go out in three directions for reconnaissance, one for the artillery finger is used for contact, and the other is reserved for emergencies... After all, rocket launchers, If there is no artillery observer correction, it is almost equivalent to blind typing without eyes and ears, and one must be kept as a spare.

Originally, Zhang Wanhe was still a little worried. Now is a difficult time. It is not easy to ask for one radio station at ordinary times. Now, five radio stations are required to be allocated at one go. Can the chief agree?
Unexpectedly, the chief was very supportive: "It must be worthy, and war can't be saved! We save it now, and the price we have to pay is the blood and lives of the soldiers, and even the failure of the entire battle!"

This is the personality of the chief. He is extremely strict with others and himself in life, but he is very willing to do anything related to war. It can almost be said that everything is for the battle and everything for victory.

Access to radio stations is not easy either.

Although the banknote printing machine had already been transported to the base area at this time...the printing equipment did not dare to get too close to the front line, so it was transported to the rear, and the printed counterfeit banknotes were then transported to the front line in batches, and the intelligence personnel cooperated with the various ministries to bring them into enemy-occupied areas for shopping .

However, in wartime, such scarce and urgently needed military supplies as radio stations are often not just bought. It requires intelligence personnel to steal or buy parts from various places and then assemble them. Many of these intelligence personnel even pay the price of their lives.

In the end, Li Yunlong managed most of these stations...

Don't look at this guy's smugness, but he has some brains in business.

He first went to the Devils to exchange for silver dollars with the China Reserve Certificate.

Since the silver dollar is banned in Chongqing, it is not very liquid and inconvenient to use in the enemy-occupied areas. Many people in the enemy-occupied areas are willing to change it.

Then Li Yunlong took the exchanged silver dollars to the area controlled by the recalcitrant army to bribe the recalcitrant army...

In the area controlled by the stubborn army, although the government does not recognize silver dollars, the people do, and with the depreciation of the currency, this thing is also regarded as a treasure that can preserve value, so many people are willing to exchange it.

Li Yunlong's trick is actually to "smuggle" the central bank coupons that cannot be used in the area controlled by the stubborn army to the area controlled by the stubborn army.

It is much easier to get radio stations from the "two-gun" unit of the stubborn army. They can sell the radio stations in their own units for the sake of smoking.

Therefore, Li Yunlong got three of them in one go, all of which were obtained by "trading". Not only is there no risk, it is still the original complete machine, and it also comes with replacement parts, and there will be follow-up...

(End of this chapter)