Chapter 1421 Guarding the system

Chen Zhaoming hung a map on the blackboard: "Your Majesty, gentlemen, this is the complete map of Kunyu as the Great Song Dynasty knows it now." ”

"As you can see from the map, we don't know much about most of the planet."

After speaking, he drew a circle on the blackboard: "From Mrs. Guo's inquiry to Bi Zhongyou's younger sister, it is estimated that several children want to use the L-screw to complete a round-the-world voyage!" ”

There was a great uproar in the hall.

Chen Zhaoming drew a few horizontal lines on the circle, and then began to smear: "Their inference is like this......"

"According to the nautical records of the Shaw Bowen and the 21st degree envoy, between 35 and 70 degrees south latitude and 5 and 25 degrees south, there are two distinct winds with sustained winds."

"According to the children's inference, Si Tianjian studied the meteorological data of the Northern Hemisphere known to the Great Song Dynasty, and it can be basically determined that in the Beiyang, these two wind belts exist the same."

"In other words, the children's inferences are basically correct."

"This wind band between 5 and 25 degrees north latitude, the wind blows from the northeast to the southwest, and this wind is the wind that sailing ships from Korea and Japan to the Great Song Dynasty and to the South China Sea need to use, because it is constant and faithful, and the sailors at sea call it 'trade wind'."

"And off the coast of Japan, between 35 and 70 degrees north latitude, this wind band with wind strength from southwest to northeast is the wind band relied on by the Great Song Dynasty to chase whales, and the sailors called it the west wind."

"The wind will drive the currents, and as far as the current is known, there are about ......"

After some explanation, everyone in the hall felt that their eyes were opened, and it turned out that the sea trade that made the southeast of the Great Song Dynasty so prosperous, and the sea grain route from Penang to Jiaozhou, actually made such clever use of the different winds and currents of the near sea and the ocean to achieve a round trip of thousands of miles in a day......

Chen Zhaoming said: "We don't know the current and wind belt off the coast of Japan, but according to the children's thinking, what if the northern hemisphere current corresponds to the southern hemisphere current? And what about its currents and wind belts? That's how it should be......"

"The intentions of the children, from now on? Do you want to go to the ocean in Tohoku, Japan? Use the westerly wind belt and ocean currents to sail eastward and sail all the way to the vicinity of Daxishu or Tianfang? Then go south to find a passage to the sea. ”

"If you find a passage, you can cross the sea lane between Tenkata and Onishishu? After that, the sea route to the Song Dynasty through the feudal domains? Arrival in Penang. ”

"If you go south to the 15th parallel and still don't find the passage, you can only use the trade winds to bring back the voyage and eventually return to the sea off the coast of Japan."

Guo Kui looked at the circuit diagram drawn by Chen Zhaoming on the blackboard? sighed and a little lost: "The current baby ...... My heart is so big that I can't ......"

Zhao Ji frowned: "Half a year's supply? Is it enough? ”

Han Jiang said: "The supply is still secondary, and the risk of navigation is too great, especially this one...... The westerly wind belt, I have consulted the twenty-one knots and Shao Bowen's diary, and they all say that the westerly wind brings high winds and waves? Big waves can be as high as three feet. ”

"The Hangzhou type is daunted, let alone the Kuizhou type......"

Chen Zhaoming couldn't see the anxiety: "Right? Si Tianjian also noticed this, but according to the available information? But we found a problem, that is, north latitude and south latitude? Wind and surge intensity in the westerly wind belt? It's not the same. ”

"After April? The wave height of the westerly wind belt in the north latitude is rarely more than one zhang high, which is very different from the more than three zhang in the south latitude. ”

Zhao Ji asked, "Does Si Tianjian know what the reason is?" ”

Chen Zhaoming said: "If the earth is a smooth sphere, the influence of wind should be the same in the north and south. ”

"But ocean currents are affected by the continents around the ocean."

"Therefore, Si Tianjian inferred that in the south-latitude westerly wind belt, there may be no large land along the way to block the ocean current, which caused the huge waves to be monstrous."

"And in the northern latitudes, in a place unknown to us, there will be a huge continent, which restricts the raging currents and reduces their power by half!"

"That continent, or no smaller than the area we know now, is what it takes to turn the currents of the Northern Hemisphere into what we know it."

After speaking, he drew a circle on the map with chalk: "So we estimate that the L-Snail will not exceed 15,000 miles each way, and according to the average speed of the Kuizhou type with a smooth wind and water of 14 knots, if everything goes well, it will be possible to reach that unknown land in two to three months." ”

After speaking, he drew an arrow down the chalk: "If you can't find a passage to the south, you can only use the trade wind to bring back the voyage, and after half a year, you can return to Hangzhou." ”

After speaking, he put the chalk in the chalk box, and there was a trace of regret in his tone: "But in this way, the children's dream of sailing around the world cannot be realized......"

Zhao Ji rolled his eyes in his heart, once the top scientist enters the role, it is really a bit of a taste of heaven and earth being unkind to all things......

Your own son is up there, too!

Guo Kui was worried: "Your Majesty, if Bachelor Chen's inference is correct, there may be a big country over there......

Han Jiang said: "Taiwei Guo is too worried, if there is such a big country, would their ships have come over a long time ago?" Looking at the region now, apart from the Great Song Dynasty, which country can do this? Rest assured. ”

Zhao Ji said: "It's too late to say anything now, I can only bless the heavens...... I have refuted the matter of Su Bagong's resignation from all positions four times, and now it is the fifth time, and it seems that his heart is very strong. ”

Chen Zhaoming said: "Although the eighth duke and the prince of the country are not within the five suits, but the kindness is profound, and it is very reasonable for the Duke of Shu to ask for a year. ”

Han Jiang said: "There is no big deal now, Ali Gu has been expelled by Chaogu Li Xian for five hundred miles, and there is no major incident on the third road in Ningxia...... Otherwise, he promised the Duke of Shu? This would also reduce the impact of the L-Screw. ”

Guo Kui said: "Now all the transshipment divisions have telegraph offices, Chengdu to Meishan, telegraph is the earliest place to use, it is better to agree to the request of the Duke of Shu, a year only, soon passed, if Your Majesty needs to ask for advice, there is also a telegram." ”

Zhao Ji said: "Only a few people know about the flat tank and the chair, and the matter of the L-screw is confidential, and not many people know about it. ”

"In this way, this matter was kept secret from the outside world in advance, and it was declared that the Duke of Shu would return to Shu with his son to guard the system in order to reduce the impact of this matter."

Guo Kui said: "Zhang San has a suggestion, that is, in the name of Tang Shilang, secretly launch a sea escort and whaling ship, and follow the track of the L-snail to the Eastern Ocean to search for its traces. ”

"Makes sense! I'm offering a reward of 500,000 yuan! Be sure to find them for me! Zhao Ji thought this method was good and immediately agreed.

Chen Zhaoming still loves his son in the end, and finally can't help it, and gives a deep salute with tears in his eyes: "Minister, thank Your Majesty Longen." ”

……

In the seventh year of Yuanfeng, in summer, April, Ding Chou, Zhu Tianci, a boy from Raozhou City, was born in the "Five Classics".

Ren Xu, Zhou Bangyan presented "Biandu Fu", the literary style is desirable, and the edict is to learn Taixue outside Qian Tang Zhou Bangyan as a test Taixuezheng.

The lord of Liao is like a mountain and a lake, the Jurchen tribute is a good horse, and the king of the command is the Ru, the brand seal Langjun Yelugu Fu Daoyan Wang Yanxi.

Jiazi, the quasi-Shu State Duke five please, return to Shu to defend the system.

Since the eight princes were allowed by His Majesty to start a family temple in the Su family, they immediately rushed back to Meishan to take care of this important matter.

When the repairs in Kelong are completed, Hachiko will no longer be willing to come out.

The old man may have sensed that in the Spring Festival this year, Bagong went to the old man's well to go around, choose a place for himself, and finally laughed: "Where did the old man do this, everyone said that the wooden guest is a spirit animal, so where it chooses, I will choose it." ”

The wooden guest went before Hachiko, and the white ape, who was in his forties, could be regarded as an ape with a super long standby.

In the autumn and winter of last year, one day the wooden guest disappeared, and the eighth prince asked the villagers to look for it, and finally found the wooden guest who had no breath in the pine forest nest of the Su family's ancestor Lao Wengjing.

Hachiko asked everyone to bury Muke there, and now he uses it as his auspicious house.

After coming back, the eighth prince ordered Zhang Sheng, the only one of the seven sons of the land temple in Meishan, to prepare a coffin for himself and burn the tomb bricks.

The day before his death, Bagong cleaned the family temple in the morning, burned incense to his ancestors, and then fed the big grass carp in the fish pond at the door, fed the pigs that were raised again after returning to Meishan, and ate a big bowl of bean curd rice at night.

When Zhang Sheng got up in the morning to say hello, he found that the eighth prince had passed away at the age of ninety-three.