Fan Ning chatted with Cao Tong for more than an hour, and Fan Ning invited Cao Tong to Zhu Lou for dinner, and when he returned to his residence, it was already dark.

"Little official, are you back so early today?" The maid Xiaodong hurriedly supported Fan Ning.

Today Fanning drank a few more cups, although his mind was still very clear, but his feet were a little staggering, he helped Xiaodong to sit down in the courtyard, Xiaodong hurriedly brought him a cup of hot tea, Fanning took a sip of hot tea and asked, "Is anyone looking for me today?" ”

Xiao Dong shook his head, "No, it's quiet today, and the new house hasn't started construction, I went to see it, it seems that the wharf can't be built until the government approves it." ”

"By the way, are there any mules and horses on the Feiyun Bridge?" Fanning asked, remembering something.

"Do petty officials want to rent mules and horses for transportation?"

Fanning nodded, "It's not convenient to take an ox cart all the time, it's more convenient to ride a donkey." ”

Xiao Dong thought for a while and said: "It seems that there is a family on the west side of Feiyun Bridge, and you can see it after crossing the bridge and walking a few steps, and there are also two in the Baokang Gate tile." ”

"Then there's time to check it out!"

Fan Ning only felt a wave of sleepiness coming, so he said to Xiao Dong: "Get me some hot water, I'll wash my feet and go to sleep." ”

"Hey!"

Xiao Dong rushed away, Fanning yawned twice in a row, his consciousness began to blur a little, and he felt that he could fall asleep as long as he closed his eyes.

.........

Early the next morning, Fanning went to Guozijian to report, and then went to the imperial city, and went to the mule and horse shop to rent a donkey to travel in fact, it was just Fanning's whim, and when he calmed down, he thought of the first problem, he didn't know how to ride a donkey at all, how to rent?

Not being able to ride a donkey in this year, just like not being able to ride a bicycle in later generations, will be laughed at, and considering the problem of face, Fanning can only temporarily press this thought.

The ox cart arrived at the Xuande Gate of the palace, Fan Ning got off the ox cart and walked directly to the gate, and when he reached the door, two sergeants stopped him, "The palace is important, idlers are not allowed to enter!" ”

Fanning took out the gold medal and shook it in front of the two of them coldly, "Do you know it?" ”

The two sergeants were startled, it turned out to be a gold medal for exemption, and the two hurriedly dodged away, not daring to stop Fan Ning anymore, and Fan Ning walked quickly towards the palace without looking back.

He deliberately didn't wear an official uniform today, just to test the power of this gold medal, judging from the panicked retreat of the guards at the gate, this gold medal is really extraordinary,

Fanning came directly to the gate of the Ordnance Superintendent's Office, which was the management agency for the manufacture, transportation, distribution and storage of Ordnance in the Great Song Dynasty, but there were no weapons here, and the Ordnance Superintendent's manufacturing workshop, test site and warehouse were all outside the city, but to enter the manufacturing workshop and test site, it was necessary to get the approval of the Ordnance Superintendent.

Fan Ning walked into the gate of the Ordnance Prison, only to see a patio in the middle, surrounded by countless functional rooms on both sides, he was a little worried, where to find his bow and crossbow room?

At this time, an official stepped forward and asked, "Who are you looking for?" ”

Fan Ning bowed and saluted, "In Xia Guozi, I am supervising Fan Ning, where is the court room that manages the bow and crossbow?" ”

'Guozijian? 'The officials think it's a bit ridiculous, what are the officials of the Guozijian doing in the ordnance prison? Do you want to borrow a batch of bows and arrows for students to practice?

However, the official didn't ask much, he pointed to the corridor on the left, "The penultimate room is!" ”

"Thank you!"

Fanning saluted and walked briskly down the corridor to the left, where the official looked at his back, shook his head and walked away.

After a while, Fanning came to the front of the courtroom, and he looked at the sign on the door, which had three big characters on it: Bow and Crossbow Division.

The door was not closed, it was hidden, and from the crack in the door, you could see that a middle-aged official inside was busy sorting out the papers, judging from his crimson official uniform, it should be a lower-level official of about seven grades.

Fan Ning pushed the door and walked in, and said with a smile: "I am the superintendent of the country, surnamed Fan, may I ask who this official is?" ”

The official looked at Fan Ning for a moment, and when he saw that he was so young, he was actually an official of Guozijian, he couldn't believe it, so he asked, "What's the matter with you?" ”

Fan Ning took out an official letter and handed it to him, "Taixue students want to practice bows and arrows, so I have come to borrow a batch of bows and crossbows!" ”

The official letter was issued to him by Jiang Jiancheng, Taixue has an archery course, and there is indeed a need to borrow bows and arrows, the official took the official letter and did not look at it, but still stared at Fan Ning, "How can you prove your identity?" ”

Fanning was so young that it was almost suspicious that he was an ordinary student pretending to be an official.

Fanning took out the gold medal for exemption from calling and put it on the table, "The Son of Heaven gave me this gold medal, can you prove it?" ”

"Ahh

The official was taken aback, it turned out to be a gold medal for exemption from call, he quickly changed his attitude, changed his smiling face, and bowed and saluted, "The lower official doesn't know, offended!" ”

Fan Ning put away the gold medal and said with a smile: "We are on business, please read the official letter!" ”

The official took a closer look at the official letter, and his face showed a slight embarrassment, "There is no problem with borrowing a hundred pairs of bows and arrows, but there is no precedent for borrowing ten crossbows and weapons supervisors, may I ask Inspector Fan, how did Guozijian think of borrowing a crossbow?" ”

"This year, Taixue has opened a crossbow class, requiring students to understand crossbow arrows, not to shoot crossbows, but to understand the structure of crossbows, range, etc., and I hope that the weapons supervisor will give support."

If Fan Ning borrows the crossbow in the name of an individual, he will definitely not be able to borrow it, but if it is a public-to-public, in the name of the Guozijian to borrow, it is another matter, which does not violate the control of the Great Song Dynasty on the crossbow.

What's more, Fanning still has a gold medal for exemption from calling, this official didn't dare to offend him, he groaned slightly, and thought of a compromise solution.

"Ten is too many, since I just understand, two crossbows should be enough, one complete crossbow, one part scattered crossbow, does Inspector Fan think this will work?"

"Yes!"

"And I need to kindly remind that according to the regulations on the management of military crossbows, the loan period is up to one month, and it must be returned before expiration, and if you want to continue to use it, you can renew it!"

"No problem!"

The official then gave Fanning a loan slip for a bow and crossbow, with which he could go to the ordnance superintendent's warehouse to pick up the goods.

Fanning took the loan slip and asked again: "Let me ask again, I heard that the ordnance supervisor has a high bounty for the crossbow, is this bounty still there?" ”

The officer laughed, "Yes! And it's a million rewards, this bounty has been promulgated for two years, and at least thirty new army crossbows have come to take the exam, but none of them have met the requirements, and it is not easy to get this bounty. ”

"I don't know what to ask for?"

The official glanced at Fan Ning and smiled: "What, Inspector Fan is interested?" ”

"Maybe the students are interested, don't underestimate them, they are very smart."

The official smiled: "The requirement is actually very simple, there is only one, shoot through the armor of the Liao soldiers from a hundred steps away, as long as you do this, you will get 10,000 yuan." ”

.........

Borrowing a bow and arrow is the real need of Guozijian, but borrowing a crossbow is a private commodity carried by Fan Ning, and Jiang Jiancheng gave him a face and helped this little favor.

Of course, Fan Ning's heart was thrilled by the ordnance supervisor's 10,000 yuan bounty, he now only had 3,000 guan money left in his hand, and now that the ordnance superintendent had a 10,000 yuan bounty, he could completely rely on his foresight to win this coveted reward.

Back in the official room of the library, Fanning locked the door, and the table was full of parts of a military crossbow, including the crossbow body, crossbow bow, and crossbow machine, crossbow teeth, lookout mountain, etc., which were reference objects for drawing.

Fan Ning was considering building the famous Divine Arm Crossbow of the Song Dynasty in advance, which was presented to the imperial court by Li Ding, a member of the Party during the reign of Emperor Shenzong of the Song Dynasty, and became the sharpest individual weapon of the Great Song Dynasty, which broke the embarrassment that the enemy's iron armor could not penetrate from a long distance.

The god arm crossbow belongs to the foot pedal crossbow, the bow body is three feet three, the string length is two feet five, the range is more than 340 steps, the killing distance is 240 steps, the power is powerful, the crossbow arrow can be shot into the elm half rod.

The big yellow crossbow of the Han Dynasty also has such great power, but the big yellow crossbow is not a single weapon, it takes at least two people to open the bow and wind it, and it weighs dozens of catties, and it must be consigned with livestock in peacetime, which is not very practical on the battlefield.

The reason why the Song Dynasty's divine arm crossbow can replace the big yellow crossbow is that it can be wound alone, weighing only a dozen catties, and a crossbowman can operate and carry, which is very practical and more powerful than the big yellow crossbow.

The power of the crossbow is nothing more than the power of the powerful energy, the power that can pull the bowstring at least seven stones, and the power of the seven stones to shoot the arrow out, of course, is extremely powerful, so the key to the divine arm crossbow is how to wind it.

The method of making the Divine Arm Crossbow has been lost in history, but later generations have also studied it, and Fanning once saw a drawing of the restoration of the Divine Arm Crossbow.

The crossbow is divided into two steps, the first step is to step on the string and use the strength of the waist arm to wind to the normal position, and the second step is to make maximum use of the lever principle to continue winding.

In the crossbow body of the god arm crossbow, there is a section of pig iron made of the inner chamber, a row of gears are placed in the inner chamber, a large gear drives five small gears, all made of stainless steel, a groove is opened on the side of the crossbow body, and a thin copper rod with a round head is usually placed inside.

When the string needs to be drawn, the copper rod is inserted into the large gear from under the crossbow body, and pulled upwards to trigger the rotation of the large gear, and under the drive of a group of gears, the bowstring continues to extend backwards, and finally can be buckled on the crossbow teeth.

In this way, the bowstring, which is completely unpullable under normal circumstances, is pryed with very little force.

The core of the Divine Arm Crossbow is the bore made of pig iron and the gears made of stainless steel.

Of course, this kind of gear is not a thin plate gear like that of clocks, but it is relatively wide, at least half an inch wide, so that the gears can easily fit into each other.

How to assemble gears in the iron bore, Fanning is not worried, the craftsmen of the Song Dynasty have already mastered this technology, and this gear principle can be seen in farmland waterwheels and treadmill boats.

What he had to do was find a skilled craftsman to build the iron chamber and gears and assemble them.

Then a drawing was drawn up, and the iron-bore gear was handed over to the Ordnance Superintendent, and then a special crossbowsmith was to build it, and Fanning believed that the Divine Arm Crossbow would be able to be built from it.

=========

[Note: The Divine Arm Crossbow has a killing range of two hundred and forty steps, that is, three hundred and seventy meters, and can shoot into the wooden half-arrow, which is powerful, but its physical object and building method have been lost in the Ming and Qing dynasties, some Song Dynasty materials mention the iron bore and steel gears in vague language, Lao Gao relied on his own imagination to create this powerful Divine Arm Crossbow, as for the gun, to be honest, the power of the early smoothbore flintlock pistol is really not as good as the Divine Arm Crossbow]

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