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Li An knew that these artisans did not understand the purpose of springs, and he did not intend to spend time explaining it, because the explanation would never be as convincing as the experiment.

“There is a newly-built carriage outside. This official has a drawing in your hand. You will add the spring to the carriage according to the drawing and do it immediately.”

After Li An inspected these springs, he immediately issued an order to let these craftsmen improve the carriage. This carriage was made by Li An for the purpose of having a spring system. If the spring system is not added, the carriage cannot be used normally and will fall apart. of.

Dozens of craftsmen added different types of springs to different parts of the carriage according to the requirements of Li An, and finally, after spending more than an hour, assembled all the springs in place, thus forming a completed carriage.

“Minister Li, all springs have been assembled, you check it.”

A leading craftsman, a respectful report.

“It’s not necessary to check, you put the horse on, sit a few people in it, and circle around this week to see how it feels.”

Li An looked towards a strong horse next to him, opening ordered.

“Yes, Minister Li.”

Several craftsmen tied the horses in front of the carriage, and another ten craftsmen climbed into the carriage and sat in ten special seats.

“let’s start!”

Under Li An’s second order, a craftsman sat in front of the carriage, whipped the horses, and started racing in the restricted area of ​​the Research & Development Center.

The terrain of this area is generally flat, but in fact there are many small potholes. Normal carriage driving on such a road surface is very painful for the people inside. At this moment, Li An designed This carriage is different. Not only is the body equipped with a spring shock absorber system, but even the same spring shock absorber is installed under each seat. The surface of the seat is soft sheepskin, so, Under multiple protections, the bumps of the carriage will inevitably be greatly reduced, and the people sitting inside will also feel more comfortable.

After 3 laps, the carriage slowly returned and stopped.

“Minister Li, we know the role of this spring. I really didn’t expect the spring to be so powerful, and the bumps of the carriage are greatly alleviated.”

“Yes! Sitting in such a carriage is very comfortable and much better than the usual carriage.”

After several craftsmen jumped from the carriage, they all expressed their excitement and praised the spring damping system.

Li An is naturally very satisfied too. Although he did not personally experiment, the car of later generations has been made many times, which is much more comfortable than the carriage of this era. At this moment, the spring shock absorption system has been successfully invented. In the future, Great Tang Of the 100 surnames, if they want to travel far, they no longer have to worry about bumpy roads, especially the sections where the railroads are impassable.

“Okay, a few of you took this carriage to play on the street, let the 100 surnames of Great Tang come to experience this carriage equipped with shock absorption system, so that it wo n’t take long, the spring will not sell. Sorrowful, the old 100 surname will also become a lot more comfortable when they travel far.

Li An smiled lightly and made a very wise decision. Such a comfortable shock-absorbing carriage, how can the aristocrats of Great Tang have a good experience to obtain the sales of springs in the future, in addition, Western Regions countries also have Many carriages, these spring shock absorption systems can also be installed on the carriages of the Western Regions. Therefore, the spring shock absorption system also has the possibility of being exported, especially after the railway to Yu Sect pass is clear, the 3000 li The transportation cost can be greatly reduced, and the feasibility of export is greater.

Watching several handymen drive to Chang’an City with a shock-absorbing carriage, Li An’s mouth showed a satisfied smile, and looked forward to the future sales of the spring shock-absorbing system.

“In the past month, you several people took turns to Chang’an City to show the shock-absorbing carriage, to let all the nobles in the city and Western Regions merchants know the benefits of this carriage.”

Li An looked at the remaining handyman with bad technology and ordered aloud.

“Yes, Minister Li, the villain understands.”

Subsequently, Li An explained a few words, let these craftsmen continue to manufacture springs, and find ways to improve the production process and improve the performance of the spring.

After a bit of Research & Development, a larger mechanically driven wire-making machine was born, and it can suppress more softened iron pieces at a time, and the diameter of the manufactured wire is getting larger and larger, even more than human fingers It’s too thick and can be used as a reinforcing bar for ordinary buildings. Of course, it needs to be straightened and hardened. Otherwise, the soft iron wire can’t be used as a reinforcing bar.

With thicker wire, Li An can make thicker springs, which can be used on heavier machinery, such as steam freight vehicles. These thicker springs can be added to improve transport performance, and the springs are shock-absorbing The emergence of the system has also made it possible for passenger steam cars to have Research & Development.

Immediately after the first batch of large springs were made, Li An drew a drawing and let the craftsmen build a passenger steam car. Under the premise that the freight steam car has been put into production, the passenger steam car hardly needs Research & Development, a large system It ’s all the same, you only need to modify the auxiliary facilities a little bit. In addition, of course, you need to install a spring shock absorption system, just like the carriage, you need to add shock absorption to the car body, and at the same time, you need to give all the seats. The chair is also equipped with a shock absorber to double-shock against the bumpy road.

The shock-absorbing carriage everyday all will appear in Chang’an City, and according to the requirements of Li An, let the 100 surnames in Beijing experience freely.

At first, only the most common 100 surnames went up to experience. As a result, after discovering the benefits, many nobleman’s housekeeper characters appeared, and after the experience, they startedled and quickly told their Owner, which led to the spring reduction. A large number of orders from Zhen system.

With money to do things well, with sufficient capital injection, the scale of the iron wire workshop and spring workshop was quickly expanded, and these devices can be mass-produced to meet market demand.

In addition, Hu Shang of the Western Regions also discovered business opportunities and ordered these spring damping systems in large quantities. However, due to the lack of iron materials, the production capacity is not keeping up, and many Western Regions Hu merchants cannot buy it. A sufficient number of goods. After all, these advanced products must first meet the needs of the Great Tang market. For export, they must wait until the Great Tang market is saturated before considering.

After half a month invented by the spring shock absorption system, all the Emperor royal carriage in the Imperial Palace were all equipped with a spring shock absorption system, which greatly reduced the bumps of Li Longji to visit the scenic spots near the capital, let this love enjoy Emperor was very pleased and immediately commended Li An and gave Li An a lot of belongings.

Li An is not very greedy for money, but Emperor can think of rewards, Li An is still very happy, and his head is hot, he distributed the money of these rewards to some of the craftsmen of Research & Development, so that they are also happy.

Encouraged by the craftsmen, the enthusiasm for Research & Development’s new things is even higher, all of which are like blood, and they are processed and improved according to Li An’s drawings day and night.

The passenger steam car was soon manufactured, and it was a passenger steam car equipped with a spring damping system. The vehicle was one-piece, but the front and the compartment were completely separated, leaving only one with tempered Glassware. The small opening of the glass allows guests in the carriage to see the driver in the front of the car.

The front of the car is equipped with a power steam engine and equipment for adjusting the speed and direction. There are only 2 rows of seats with a spring damping system in the car, which can seat ten people in total. Can stand people, the side of the car is wooden, but it is equipped with multiple pieces of tempered Glassware glass, and a curtain is also installed inside, so that as long as the guests inside pull the curtain, the outside people will not see the inside Situation.

This is similar to the several buses of the later generations. However, the bottom 4 pairs of large iron wheels are very eye-catching. There is no way. It is impossible to make rubber or Inflating Tyre. So, only iron can be used. Wheels, this destructive power on the concrete road in the future is definitely not small, but fortunately the weight of the entire car is not very large, not a heavy vehicle, but the destructive power on concrete is relatively limited.

After the steam bus was built, Li An immediately went to the inspection and took several Research & Development craftsmen into the carriage to sit down and ordered the steam bus to Chang’an City.

“Boom ~ boom ~ …”

With the sound of the steam engine starting, the steam bus moved slowly, and after a turn in the Research & Development Center, left from the gate of the Research & Development Center and went straight to Chang’an City.

While passing through the Dark Powder workshop, Li An saw through the car window and saw Longwu Great General Chen Xuanli who arrived at the Research & Development Center on horseback, and immediately ordered parking.

At this moment, Chen Xuanli was looking at the steam bus slowly stopped and dismounted to meet him.

“Great General, are you here to visit the Dark Powder workshop?”

Li An opened the tempered Glassware window and asked aloud.

“Minister Li.”

Chen Xuanli was surprised, and then opened the mouth and said: “I have just completed the inspection, and I am about to return to the city, and I see a big guy coming over. It turns out that Minister Li is in it. “

“It’s a steam bus. It’s much more comfortable to sit in than riding a horse. It’s better for the Great General to get on the bus together and follow me into the city.”

Li An smiled and invited.

“Okay, then I am welcome.”

Chen Xuanli threw the horse reins to the entourage, strode into the compartment of the steam bus, and sat with Li An.

“These all are the people under your hands?”

Seeing the four people sitting in the carriage standing up, Chen Xuanli opened the mouth and said.

“Yes, this steam bus is made by them. Sit down! Don’t be polite with Great General, Great General is not an old man.”

Li An started to introduce and let 4 craftsmen sit down.

With the start of the steam bus, Li An entire group quickly approached Chang’an City. This speed is faster than horse riding, and it is more stable. It is more comfortable to sit inside.

“How about, Great General, much more comfortable than riding!”

Li An leaned against the seat and asked.

“Comfortable, of course, more comfortable than horseback riding. These days, the carriage in Beijing is busy installing your Research & Development spring system. I also tried it in person. It turned out to be much stronger than the ordinary carriage. The car has already been installed with that gadget! “

Chen Xuanli said rudely.

“Hahaha! That is called the spring shock absorption system, which is specially used to reduce bumps. Of course, this car is also equipped with this system. Today, let us take a few more circles in the capital and experience more.”

Li An explained with a smile.

“Okay! Sitting in such a comfortable steam car, of course, you have to take a few more laps, hahaha!”

Chen Xuanli decided happily.

When the steam car drove to the city gate, the guards of the city gate all looked at this big monster in amazement. However, when Li An showed the token, these guards obediently gave way, so they watched this big monster enter the capital.

All the 100 surnames along the way cast a curious look, and some small children were running behind the steam bus, as if they were comparing speed with the steam car. Of course, the result was only being thrown farther and farther away.

For safety reasons, Li An chooses to drive on the widest and least pedestrian roads to avoid hitting pedestrians with poor control.

Because the performance of the steam engine has long been stable, for this reason, this road trial run is very smooth, especially Li An and the others sitting in the car, comfortably looking at the dull eyes of pedestrians outside the window, that feeling It is quite pleasant.

After making a round in the capital, Li An asked the driver to drive the vehicle outside the Chunming Gate and feel the steam bus driving on the concrete pavement. After all, the main roads of Great Tang will be paved with concrete in the future, first feel the steam bus The feeling of driving on a concrete road in order to evaluate the commercial future of the steam bus.

After the token was displayed, the steam bus successfully opened the Chunming Gate and drove onto the concrete road that was just built a while ago.

“Good! It feels more stable than in the city.”

Chen Xuanli first expressed emotion.

“Yes! Concrete pavement is smoother than stone brick pavement in the city, and of course it will be more stable. This steam bus still has commercial value. If Research & Development will produce rubber tires in the future, the effect will be even better.”

Li An dreamed up.

“Rubber tires, what is that?”

Chen Xuanli curiously asked.

“Uh, the soft wheels, so that the car will become more stable, the level of bumps will be lower, and even, the bumps will not be felt at all.”

Li An brace oneself explained.

“Rubber tires are so powerful, when can Minister Li come out with Research & Development?”

“This, it will take about several years! 1st Step will build the railway from Luoyang to Laizhou, 2nd Step will build a large Shipyard in the bay of Laizhou, powered by a steam engine, build a large sea ship, and send it to the ocean after the construction is completed Deep, bring the Rubber Tree back from afar and plant it in Yazhou, and then you can produce rubber products in Yazhou, and use sea ships to ship to Laizhou, and then from Laizhou to Beijing by rail. “

Li An spoke out his ideas.


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