In the seventh lunar month, the Jiangnan shipyard on Changxing Island is heavily guarded. Every worker who went to work had to undergo a strict inspection by the suddenly arrived guard army before entering, and the workers did not have any fear of the army's entry and inspection, but everyone's face was full of excitement and excitement, as if it was a New Year's holiday. The whole factory area was also cleaned early and neat, the window glass was wiped and wiped, the garbage cans were replaced with new ones, and the street lamp poles were repainted, and everything was completely new.

All this is only because of the arrival of His Majesty the Emperor, Chen Ming will soon come here for a visit, because of the large iron ship that has been built on the slipway of the shipyard.

Yes, the big iron ship, this is the first in China and the first in the world to be made of all iron - a steam paddle steamer. And it's remarkable that the ship doesn't have the big wheels on the sides, it's a propeller boat.

After so many years of research, the propeller has gone from the initial five blades to the current three blades, from the initial blind 30-degree inclination angle to the current preliminary sequence formula, all of which are the lessons summed up in the failed experiments again and again.

The propeller was invented very early, and the reason why it failed to compete with the paddle wheel was because of its propulsion efficiency. The propulsion efficiency of the propeller depends not only on the number of blades, but also on the shape and design of the blades. Now a series of experiments are proving the relationship between them, and the lessons learned from countless failures have also taught the experts of Chen Han Ship Design that the main factors that directly affect the performance of the propeller are many details that cannot be directly observed by the naked eye.

For example, the diameter of the circle connected to the tip of the propeller blade is usually the larger the diameter, the higher the efficiency, but the diameter is often limited by the draft and output speed; If your output speed is low, the propeller that is too large will not be able to drive, which is like a small displacement engine to drive a big truck, there is no play.

Then there is the number of blades, which has now been finalized to three blades, and four blades is not impossible, but it is not efficient.

Pitch, the distance the propeller rotates around and advances, refers to the theoretical pitch; This is a very important value, and it is also a value that was initially overlooked by the research. Including slip rate, propeller rotation once, the difference between the actual distance of the ship and the pitch to the pitch ratio;

In addition, the ratio of pitch to diameter is generally between 0.6~1.5; generally speaking, the value selected for high-speed light-load ships is relatively large, and the value selected for low-speed and heavy-load ships is relatively small;

Failure is really a success, if it weren't for the failure of experiments over the years, how could the ship institute have gained so much experience?

Of course, more than one propeller steamship has been built, many experimental ships are propeller ships, and although the propeller is now officially put into use, the propeller still has many problems that need to be overcome by experts. Such as terrible vibrations on a wooden-hulled ship, wear and tear of propeller shaft bearings under the waterline, paddle shaft seals, durability of thrust bearings, and so on.

But these issues are not something Chen Ming needs to consider. He was an emperor, not a shipbuilding expert, not a scientist, and now he only had such an all-iron propeller steamship named 'Zhang Qian'.

This large ship bears the fruits of years of painstaking research in China's shipbuilding industry, whether it is its all-iron ship structure or thrust system. Therefore, Chen Ming wanted to come and see in person, and on the day of the launch of this big ship, he would personally board this iron ship.

In order to manufacture this large ship, which is completely different from the past, Jiangnan Shipyard set up a special department, and it took two years to complete the task completely.

If the big iron ship in front of you can achieve all the goals of making it, then this newly formed but not weak department will be completely separated into a branch of the shipyard, because all the information about the construction of this big iron ship is confidential and needs to be concealed.

There are as many as 20,000 workers in the entire Jiangnan Shipyard, but there are less than 1,000 people in the manufacturing group in front of them, and half of the workers are technical backbones drawn from other shipyards.

Chen Han's new-style education has been developing for decades, and with a large amount of money invested every year, coupled with social donations and donations, the education funds in recent years have easily exceeded 1 billion yuan every year, and have moved towards the 1.5 billion mark. Basically, every township has built a large number of primary and secondary schools, and each county not only has a high school, but also a vocational high school and a technical school, and the number of students in the country is 30 million.

The country's literacy rate has been greatly improved, and the quality of the people has been greatly improved, which is embodied in the workers, such as shipyards, which require high-quality enterprise workers, literacy and literacy are the most basic skills, and numerical calculation is also the most basic requirement.

This department, which gathers thousands of elites in China's shipbuilding industry, will surely leave a strong mark in the history of China's shipbuilding in the future.

For example, those students who are hired by shipyards, steel mills, machine factories, weaving factories and other factories with high salaries after graduating from institutions of higher learning are not as decent as officials, but the high salaries are not a good way out for these children who are generally from poor backgrounds.

Jiangnan Shipyard is so heavily guarded today, of course, because the emperor wants to personally come to the shipyard to inspect, but there are also Jiangnan Shipyard itself. China's first all-iron propeller steamship will also be launched today, but the latter is still a secret and cannot be widely known.

If you are not afraid of 10,000, you are afraid of what happens. Wouldn't it be a shame if the big iron ship couldn't run? If the big iron ship sank into the water, it would be even more fatal.

Therefore, the workers here are both happy and proud, but also a little apprehensive.

They are the creators of this big iron ship, and they must have confidence in this big iron ship, but no one dares to pack a ticket, right?

"The ministers have seen the emperor, long live my emperor, long live, long live."

The director of the shipyard has the rank of general, subordinate to the general logistics, and the shares of the shipyard have been acquired by Chen Ming from Chen Jigong and them for 20 years, and now 60% of the shares are still in the hands of the imperial court, Chen Jigong and they may still have so many points of shares in their hands, and the remaining 30 points of shares are mixed in the stock market.

The director of the factory and dozens of senior staff of the shipyard greeted Chen Ming at the door, along with several officials and bigwigs in Shanghai, as well as the local garrison.

"Everyone, Aiqing has worked hard, get up." Since Chen Ming set sail from Nanjing to Shanghai, the smile on his face has not stopped. If Chen Ding hadn't come back yet, he would have taken Chen Ding to Changxing Island to take a look this time.

The director of the shipyard is surnamed Huang and is called Huang Baozhou, but he is not from the Huang family, but a person from Shaanxi. can sit in his current position, not because he has a great background behind him, but because people have done it step by step, and he has come out in a solid manner.

Before coming to the shipyard, Huang Baozhou worked hard in the machinery factory, the steam factory and the ordnance bureau for 20 years, and was awarded the Red Star Medal of the military industrial system many times, and was also awarded the gold medal of loyalty and diligence by Chen Ming, which is the highest reward that civilian personnel can receive, and is a real talent honed a little bit in the military industrial system.

"The emperor handed over this important matter to the ministers, and the ministers naturally did not dare to slack off in the slightest."

Although Huang Baozhou is not the person in charge of the front line, he still needs to take care of the huge Jiangnan Shipyard, but he is the first person in charge of this project, he has participated in the manufacture of the big iron ship from beginning to end.

"Okay." Chen Ming praised and made a promise: "If the big iron ship succeeds, Aiqing should be the first to take the lead, and there is a place for you in the Chengtian Palace." With such credit, Chen Ming will not give Huang Baozhou a knighthood, but if today's all-iron propeller steamship is successfully tested, he will definitely erect a big statue of Huang Baozhou on Changxing Island.

And the so-called 'Chengtian Temple', that is a new measure that Chen Ming introduced after thinking about it after engaging in the Martyrs' Shrine - to worship the heroic souls who died in the war.

This Chengtian Hall is located on the island in Xuanwu Lake, and hangs the portraits of the heroes of the past dynasties after Chen Han raised troops to the founding of the People's Republic of China.

This is a huge incentive for Chen Han's civil and military nobles.

Before the emperor engaged in the martyrs' shrine, he also let the prince and the princess worship every year, the specifications were very high, and the emperor himself went to worship every once in a while, which can be said to be very grand. But this glory does not belong to them, they who are alive have no share, and the appearance of the Chengtian Temple is to tell them that what they are looking forward to is finally coming.

Why don't the men take Wu Hook and collect Guanshan Fifty Prefectures.

Please go to Lingyan Pavilion temporarily, if you are a scholar and a marquis?

Li He's poem has inspired many people to make contributions for thousands of years, and the name of the twenty-four heroes of Lingyan Pavilion has also been completely resounding in China. But this matter can only be done by the emperor himself, and the minister can't urge the emperor, right?

Chen Ming finally understood, although the time was a little late, but at least when the Chengtian Temple was established, many of Chen Han's founding heroes had not yet hung up.

A soldier is a soldier, a nobleman is a nobleman, this is not the same. Chen Han is not a Red Dynasty, and it is not a monument that can cover it all.

In history, starting from the eleven heroes of the Qilin Pavilion of Emperor Wu of the Han Dynasty, it can be said to be a precedent for painting portraits of heroes in later generations, and it has a great influence on later generations, although not every emperor has the qualifications and intentions to do this.

Emperor Ming of the Han Dynasty painted the twenty-eight generals of Yuntai [not Emperor Guangwu] is a larger existence than the name of the eleven heroes of the Qilin Pavilion, and then Li Er's Lingyan Pavilion, the twenty-four heroes are famous and famous, and they are famous for thousands of years; Then there was the Zhaoxun Pavilion in the second year of Baoqing of Emperor Lizong of the Southern Song Dynasty, with Zhao Pu, Cao Bin, Xue Juzheng, Shi Xizai, Pan Mei and others, also twenty-four, but compared to the twenty-four people in Lingyan Pavilion, it can be said that they are nameless.

The Ming Dynasty has a meritorious temple, the Manchu Qing Dynasty also has a Zhaozhong Temple, Qianlong Lao'er also made a purple light pavilion by himself, if the history is not changed, if it continues, the Republic of China built the martyrs' shrine (this is very well-known), and the new China built the martyrs' cemetery, which is all in the same line.

Now, Chen Ming has also conformed to the principles of heaven and built a Chengtian Palace!

It's just a pity that the requirements of this Chengtian Temple are much stricter than those of the Zhaozhong Temple of the Manchu Qing Dynasty. The requirements of the outer hall are not particularly strict, and many heroes can hang their portraits, but the inner hall requires strict death, and even the first and auxiliary ministers such as Liu Dezhao, Pang Zhenkun, and Wang Huizu are not qualified to go up.

As soon as Chen Ming said this, the civil and military officials accompanying him and the Shanghai civil and military officials present were full of envy and jealousy when they looked at Huang Baozhou. Although it is unlikely that this Huang Baozhou will enter the inner hall, as long as it is hung in the outer hall, it will also be a great glory.