Bringing System to Great Tang

Chapter 745: It Is Easy to Build a Track but Difficult to Repair the Engine Head

"Hello, my boss, it's time to eat."

Li Longji arranged for someone to go outside to find someone to wash coal in Jingzhao Prefecture, and Li Yi continued to copy medical books.

He found that the people in the Imperial Medical Bureau of the Tang Dynasty learned medical books very quickly. The last time they consulted and prescribed medicine for Bi Gou, the imperial doctors used medicines from the new medical books.

One is a medicine from the medical book of the Ming Dynasty, and the other is a medicine from the medical book of the Qing Dynasty.

Since you can learn and use it flexibly and use it so accurately, continue to copy.

After copying tired, Li Yi came to see the big rose-breasted parrots.

As a result, he was scared again. Other parrots called hello, but these two called out three "sentences".

"Okay, learn a few more sentences." Li Chengqi, who came to deliver frozen seafood, stood next to Li Yi.

The seafood from Dengzhou, when the local weather was cold, began to freeze ice, big ice blocks, and well water was required.

The navy took the ice blocks out to sea to catch, and put them in the cold storage made of ice blocks after catching them, and then sprinkled with crushed ice.

When the seafood arrives on the shore, the people on the shore prepare the ice-water mixture, throw the seafood into it, and leave it outside to freeze.

They are separated by straw curtains and loaded onto trucks for transportation to Chang'an.

The first batch has just arrived, and Li Chengqi is not ready to sell it, so let's try it first.

"Brother, I heard that Wu Zetian once raised a parrot that could recite scriptures?" Li Yi remembered something and wanted to know the truth.

"How is it possible? If parrots can recite scriptures, wouldn't Buddhism regard parrots as sacred objects?" Li Chengqi shook his head.

"I have a good way to teach parrots." After Li Chengqi denied that the parrots raised by Wu Zetian could recite scriptures, he suddenly had an idea.

"What method?" Li Yi wanted the parrot to say a few more words.

"The speaker, your recording speaker, it's so hard to teach one sentence by one, that little girl is amazing, record her voice."

Li Chengqi pointed to a pair of parrots that said three words.

Li Yi: "..."

He didn't think about it at all, yes, he had a speaker.

"Brother, I know you want to sell parrots, not these. You can buy parrots and starlings from other places in the future."

Li Chengqi guessed that a talking bird would be worth a fortune.

There was no talking bird in his palace. There were less than 20 talking birds in the whole city of Chang'an.

He couldn't rob them by force. People kept birds as treasures.

Now that he had the chance, Brother Yi would raise a lot of them. The big parrots would lay eggs and hatch in spring.

"I want to open a chain store, put a pair of parrots or starlings in each store. When customers enter the door, they will say welcome and hello."

Li Yi finally told his plan. There are foreign countries that do this.

Li Chengqi took a breath of cool air!

It was cold outside, and there was no hot air to breathe.

"Yes, yes, yes, what kind of store is opened, and then put parrots, and when people go in to eat, they will hear this sentence, and the price of a dish should double."

Li Chengqi admitted how attractive talking birds are. If you open a store in Chang'an, there will be people who come to the store to eat just to listen to the parrots talking.

"Brother, did you ask the people in Dengzhou to dig ice cellars to store ice?"

Li Yi talked about other things, but it was too early for the parrot, so there was no rush.

"I said that I would dig a lot of ice cellars. I always wanted to eat sea crabs, which are big and delicious.

In winter, you can catch crabs, but there is no roe or roe, so you can only eat the shells.

At the age of ten, the swimming crabs in Bohai are said to be the most delicious. If they are sent without ice, they will all be smelly. The dried crab meat is far worse."

Li Chengqi swallowed his saliva while speaking, greedy.

He couldn't go to the seaside to eat crabs, so he could only store ice.

"Brother, I thought of something, a reciprocating steam engine sealed with copper pads. Make it first, then I dare to touch the fuel engine."

Li Yi wanted to eat seafood, very fresh, not frozen to death and sent with ice.

It is delivered to the place with ice inside, but the crabs are alive.

It only requires one thing, speed.

From Shandong, first build a railway to Luoyang, and then build a railway from Luoyang to Chang'an. The straight-line distance is more than 1,000 kilometers, and the actual distance is more than 1,400 kilometers.

If a steam engine can run three stone kilometers per hour, it will definitely reach the destination in 50 hours.

In 50 hours, the crabs will not die.

Why go to Shandong? Shandong is next to the sea, and the Beijing-Hangzhou Grand Canal passes through that line.

Shandong belongs to Henan Road of the Tang Dynasty, and Henan Road has always been the top priority.

"What is it used for?" Li Chengqi did not doubt whether it could be built, he was considering the purpose.

"I tried to make a small one. The propeller ship will be launched tomorrow. Big brother, remember to come and see it.

There was a problem with the counterweight ratio made before, so I made it again.

If it is feasible, the Jingzhao Prefecture water network will not use ships next year, and will be replaced by propeller ships, which are fast."

Li Yi frowned and said that he was very worried about the steam locomotive.

Even if the steam engine is built, what about the rails?

How much iron is needed to lay more than 1,400 kilometers of rails? With that iron, make guns and cannons.

People still need kitchen knives.

If we build a smaller one with a smaller carrying capacity, can we use wood to cover the iron sheet for the rails?

Li Chengqi rarely saw Li Yi in distress, so he asked, "Brother Yi, are you having any problems?"

"It will take too much iron. Wait a few months. I will try to build a children's train in the village. It will be steam-powered. You will see it when you see it."

Li Yi thought of the small train in the park. It is actually electric, but it can be made into a steam-powered one.

The weight of the steam engine and the weight of the things towed, let's see if the small track can work.

...

A day later, Li Chengqi and Li Longji's family came.

When the little guy saw Li Yi, he showed a puzzled look. It was obvious that he hadn't seen him for many days and had forgotten him a little.

Li Yi didn't waste any words. He put on life jackets for everyone and went to Bashui.

The boat had been lowered from the dock on the Zhuangzi side. Queen Wang held her son, and the four people sat on the pedals.

The rudder was in the middle, and Li Yi controlled it.

Everyone was familiar with pedaling, but without the wheels on both sides, it seemed a little unfamiliar.

"Ready, start." Li Yi was responsible for temporary command.

With his order, the four people pedaled together.

The tail propeller rotated, and the stern splashed with water. The initial speed was faster than all the other ships.

Even the steamship was far inferior to the propeller ship.

Because the steamship had wheels rotating on the left and right sides, it was subject to water resistance.

The propeller of the propeller ship was underwater, and the front was pointed when the ship was designed.

The shape of the bottom of the ship was also different, with grooves to divide the water.

The four people pedaled quickly, and the speed of the boat gradually increased.

The rudder controlled by Li Yi began to become unstable. It was not that the boat could change direction immediately according to how the rudder was moved. There was a process.

"Dragon boat, dragon boat, this is the speed of the dragon boat." Queen Wang felt it. When the dragon boat raced, the dragon boat was moving forward quickly.

The speed of the boat we are sitting on now is almost the same as that of the dragon boat.

The dragon boat is narrow, requires many people, and cannot maintain speed for a long time.

The boat with pedals can obviously last longer.

"Good boat, good oars." Li Longji said.

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