The mystery is actually very simple. Pen ~ fun ~ pavilion www.biquge.info

These disposable wooden guns of the coalition forces were all battery fired. Before charging, the copper wire is buried in the muzzle, and after the wooden cannon is placed, the wire is extended to a suitable position to connect the battery coil. The gunner only needs to be concealed and look good, and press the electric door at the right time.

At the moment when the wooden cannon fired, the copper wire in the barrel had long been sent to the air flow and did not know where it was sent, so what Aixin Guoniulu really saw was a wooden stake with only the barrel of the cannon.

The wooden cannon was buried in the earth, and the recoil was counteracted; A thin layer of soil was placed in front of the muzzle of the gun, and then weeds were camouflaged.

After the gunner completed the mission of pressing the electric door, he said one word: escape!

Sun Dingliao never doubted the escape ability of the soldiers of the Third Battalion.

These veterans are bold and experienced in escaping. In Liaodong, they often drill old forests, and this kind of terrain in Qingshanzui is the most suitable for them to play.

Even their battalion commander, Ga Li Guang, grew up in the Qinling Mountains, and it can be said that he had never walked on flat land before joining the army.

Therefore, Chief of Staff Sun did not let the three battalions train the whole team for those thankless projects, and directly pulled the veterans to the mountains by the Yellow River to familiarize themselves with the terrain.

The first round proved that the veterans' ability to escape was satisfying.

Sun Dingliao explained to the veterans that as long as you complete the task, you will escape.

Those who escaped at a high level fled directly back to the floating island camp, where there was food and drink.

If the level of escape is poor, they will go into the mountains to hide from cats.

Those who could not escape, took the initiative to lay down their weapons and wait for the coalition forces to exchange prisoners.

When almost everyone thought that these trenches were just peripheral obstacles set up by the coalition forces to delay the advance of Aixinguo, Sun Dingliao did the opposite, arranging this place as a front line to kill and injure Aixinguo.

At the same time, Chief of Staff Sun found that there were no Han troops involved in the attack on the Qingshanzui passage this time.

Unlike the Ming army, which was accustomed to mixing the formation of birds, artillery, sword and shield soldiers, and pikemen, Aixinguo was accustomed to using all types of troops in a centralized manner.

For example, in field warfare, Aixinguo is accustomed to concentrating a large number of armor soldiers at one point, and chiseling through the opponent with a single impact

For example, in attacking fortified positions, the patriotic country is accustomed to concentrating all artillery to form an absolute superiority in the local area.

Almost all of Aixinguo's firearms were concentrated in the hands of the Han army, and the absence of the Han army made Sun Dingliao ecstatic.

This may be because of the love of the new country and the neglect of the enemy.

Perhaps because of the reorganization of the Han army in the forward battalion of Aixinguo, Aixinguo has begun to suspect the Han army.

Perhaps it was because of the slow marching speed of the Han army.

No matter what the opportunity must not be missed, Sun Dingliao immediately ordered: "Speed adjust the armored ship!" ”

Several times the flag relayed, and the order was passed to Bu XIX.

The water-jet armored raft took the lead, leading three ordinary armored rafts straight to Qingshanzui.

Strictly speaking, these four rafts can now only be called semi-armored rafts, and each raft is only a composite A plate on the port side.

The water jet raft braved the rain of arrows on the left side and plunged into the densely populated passage at the foot of the mountain, and at a distance of 150 feet, the "boom" was a cannon.

The water jet raft swayed violently from side to side.

At the foot of the mountain, the formation of the Aixin National Soldiers, which were neatly arranged, suddenly dispersed, like a nest of crickets that had been turned over, jumping and running to hide up the mountain.

When the raft returned to stability, Bu 19 was rushing to another narrow section, "Boom! ”

The Aixin soldiers here don't even have a place to hide, so they can only fall down hard.

The three armored rafts in the back are like ducklings following the mother duck, picking out the crowd to play in the middle of the crowd.

With each shot, the recoil of the Tiger Squat Cannon pushed a foot or two above the water, and the cabin almost flipped over, stirring up a wave on the river.

After Bu 193 was shot, he just drifted to the position of Haogou. The bird on the raft was unwilling to shoot all the bullets, and the raft made a big circle on the Yellow River, and the raft began to swim upstream. The soldiers hurriedly changed the composite fiber armor to the starboard side.

The ducklings in the back did not have the ability to turn around on the Yellow River and sail against the current, and after completing their mission, they deflected their course and drifted downstream to the west bank. There they will be dragged back upstream by the horses of the 2nd Battalion.

Taking advantage of this opportunity, Ai Xinguo decisively withdrew his troops.

The soldiers and people watching the battle on the West Bank cheered!

It turns out that the godly love of the new country is nothing more than that!

Sun Yi put down the binoculars and rubbed his sore right eye.

Kikige's hands were quick, and he grabbed the binoculars in front of Wang Stuffy, and held his hands up to his eyes.

"Yikes! On the other side, there was a red tassel soldier who was probably stunned by the bombing and was climbing into the Yellow River. ”

Sun Yi's telescope, wooden, square box.

The front end is a large semi-convex lens, and the rear end is a small semi-concave lens. In later terms, it belongs to the Galilean telescope. The advantage of this type of telescope is that the distance between the mirrors is short, and it is orthodox; The disadvantages are that the field of view is small, the magnification is low, there is dispersion, and the eyes will be sour after looking for a long time.

The raw materials for the entire telescope come from the opposite green mountains.

To be honest, when Sun Yi saw Qingshan for the first time after returning to the Ming Dynasty, he was so excited that he almost knelt down.

This mountain is very familiar to future generations, and he will come every few years.

The green hill is more than 1,000 meters high, and the southern slope is a steep cliff, and the hot air from the Central Plains is blocked from rising under the cliff, making it an ideal place to fly.

Unlike big cities, where kite flying is not allowed, the local government here in later generations was very lenient in the management of individual flights, so it was praised by insiders as the "free flight capital".

At that time, the mountain was bare, and it is said that it was burned into a barren mountain by two fires in a hundred years, and it never recovered. On the cliff on the southern slope of the mountain, a kind of dwarf cypress is produced, the age of the tree is long, the trunk is twisted and dense, the atmosphere is good, if you dig a piece worth 10,000 yuan, the price is to go to prison.

The green mountain of Chongzhen five years is a veritable green mountain, full of lush greenery, and the cliff cypress on the southern slope wants to dig as much as you want. The northern slope is dominated by grasslands, broad-leaved forests dominated by birches, coniferous forests dominated by pines and cypresses, and alpine meadows on the summit.

According to the scout observation post at the summit at the time, it was so hot that I couldn't sleep at night, and it was so cold at night that the top of the mountain was so cold that three people huddled together to keep each other warm.

Sun Yi taught them how to collect dew at night at this temperature, how to collect water vapor from grass and leaves during the day, and instructed them to collect asphalt.

Asphalt is the oil secreted by cypress trees, and it has nothing to do with the black and soft asphalt on the asphalt road in later generations.

Strictly speaking, the counterpart to asphalt is rosin.

The resin secreted by pine trees is called rosin, which is pale yellow; The resin secreted by cypress is called asphalt, which is colorless and transparent, and is a kind of traditional Chinese medicine.

Artificial resins belong to plastics in later generations. Plastic is called plastic because it is a material that can be shaped. Artificial resin is an ideal material for making glasses and optical lenses.

The best time to harvest natural cypress resin is in the summer, when the trunk is cut and the tar naturally congeals in the wound.

When the scout came down the mountain, he brought two large bags of good asphalt. Sun Yi carved a mold with gypsum, poured an asphalt lens to polish it smooth, and fixed it with a box made of birch wood from Qingshan, which became a telescope with five times magnification.

The wooden box telescope was first equipped with a communications corps.

The communication distance of Qiyu is one mile, and with the help of telescopes, the communication distance of Qiyu suddenly expands to three to five miles, which means that there is no longer a problem from the top of the mountain to the west bank of the Yellow River.

The wooden box telescope was then distributed to senior generals, so Sun Yi was also assigned one.

As for Kikige, Sun Yi used asphalt to make her a piece of transparent white amber embedded with a large cricket with all the beards and tails. Qiqige immediately forgave Sun Yi, regardless of her busy day and night in the past few days.

Kikige was holding a telescope and sweeping around the opposite shore at this moment, "Ah, a team of red tasseled soldiers pulling cannons is coming up again!" ”