Chapter 2045： No cannon, only wire drawing

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In fact, Marin is not only dealing with Essen, but Dortmund, which also produces coal, is also an imperial city. Unlike the Hanseatic city of Bremen that has been annexed by Marin, although these two cities are unwilling to succumb to Marin's rule, they did not openly ally against the North Sea State like Bremen.

Therefore, Marin is really helpless for this kind of uncooperative city. If a city lacks resources, Marin would ignore it. However, Essen and Dortmund are cities with large coal mines, and the coal mining industry is very developed. This is not good for Marin, who is interested in making coal in the Ruhr area.

But what troubles Marin is that the two cities just don't cooperate, but they don't confront each other, so Marin can't find an excuse to send troops to annex them.

However, Dortmund is fortunate that Essen’s act of manufacturing weapons and selling them to various princes has already touched Marin’s bottom line. It's just aggrieved that Marin can't use this as an excuse to have a seizure. Why? Marin is not at war with those princes, why do you think it is not good for Essen to sell weapons to them? Could it be that you have no good intentions towards the princes? If it happens rashly or even dispatches troops, it is considered to give excuses to those princes.

Therefore, Marin can only use other methods to deal with Essen. Before, Marin thought of blocking the roads around Essen and imposing an embargo to kill Essen’s handicraft industry.

But Essen turned around and went to the imperial assembly to complain to Marin. Marin was unreasonable. With the pressure from the princes, he had no choice but to stop. Even the emperor was on Essen's side this time. Because the right of free passage in imperial cities was originally granted by the emperor. As long as the other party pays the toll tax honestly and does not fund Marin's war rivals, Marin has no reason to block Essen's business with the outside world.

Helpless, Marin had to stop temporarily. But this time I met this guy named Krupp at the Krumhön Iron and Steel Plant, and the other party was still from Essen, and he had some holidays with his hometown people. Marin soon thought of using it to start a steel plant. Compete with Essen and get a high-paying method of digging people. This is a purely commercial act, reasonable and legal, and no one can blame it.

Moreover, Malin specifically pushed the young man Krupp to the front desk, and borrowed his name, clearly wanting him to get involved.

In addition, Marin is very clever in setting his target on the blacksmiths. After all, for a blacksmith, working for your weapons dealer in Essen is actually the same as working for the Krupp Steel Plant. Whoever gives a lot of money is mixed up with.

As for the weapons dealers in Essen to increase their salaries to grab people? Okay, whatever you want, my horse Jianlin Ali Huateng Lin, I haven't lost more than money...

Even at a loss, the blacksmiths of the Essen Arms Dealer must be hollowed out!

Marin can not only provide higher salaries to the blacksmiths in Essen, but also provide houses to realize the good benefits of house allocation. In addition, the cafeteria will provide fast-food-level meals for later generations, with two meats and three vegetarians per meal, which will feed the chefs to their fullest. Moreover, the taste far exceeds the local German food of this era. He didn't believe it, those blacksmiths would not be tempted.

Of course, they can be poached by themselves, or they can be poached by others with high salaries. Therefore, in the future Krupp Steel Plant, the core technical positions will still be mastered by Beihai Country’s own craftsmen. For example, this link of blast furnace ironmaking must be operated by Marin's own person to avoid technical leakage.

However, after the molten iron is cast into an ingot, when it is turned into a tool, a blacksmith is very much needed. At this time, the blacksmiths dug up by Essen can come in handy. Forging cannons or something, if you don't need them, you dare to use them. However, to build farm tools, there is no need to keep technical secrets, just let them come.

In addition, Marin will also develop a project that he has long wanted to develop-steel wire!

What do you use steel wire for? Of course it is made of reinforced concrete!

Among the steel bars, thick steel bars are the best to make, which can be obtained by directly pouring molten steel in the elongated grooves. Thin steel bars are troublesome and can be processed with thick steel bars.

However, the pre-stressed steel wire that binds thick and thin steel bars in reinforced concrete, also known as wire rod, is more troublesome.

In later generations, just get a drawing machine to draw the steel bar that has not been cooled or tempered to soften, and get the required steel wire.

However, there is no drawing machine in this era! If you want to get the iron wire, you have to rely on a blacksmith to use tools such as a drawing board to draw the red-hot iron bar into a wire.

This is purely technical work, and it is difficult to learn without many years of blacksmithing experience. Marin planned to let them pull the wire after digging back the blacksmith from Essen. My own blacksmith first sculpts low-carbon steel and carbon spring steel bars, and then, for those blacksmiths who dug up, they use drawing boards and other tools to draw them into wires. In this way, the prestressed steel wire required to make reinforced concrete, that is, wire rod, is obtained.

Needless to say, the role of wire rod is an important part of reinforced concrete and an important guarantee for the tensile strength of reinforced concrete. As long as the production of wire rods is sufficient, Marin will start to build city walls and fortresses with reinforced concrete. In this way, even if the other party brought heavy artillery, it would be helpless. After all, reinforced concrete is very resistant to conventional weapons.

You must know that even during World War I when artillery technology had reached its peak, facing the Maginot line of reinforced concrete structure, an army as powerful as Erdezi had to choose to bypass Belgium to attack. Of course, in the period of San Dezi, because of the tungsten alloy armor-piercing bullets, there was a way to deal with reinforced concrete. Otherwise, Moustache would not exchange so many German-style equipment and bald Chiang for tungsten ore, and also sent military advisers to help with training. But during World War I, reinforced concrete was really unsolvable. Belgium is a neutral country. Because it can bypass the reinforced concrete Maginot Line, it was pushed flat by Erdezi.

...

Therefore, Marin built the Krupp Steel Plant in Essen not to cast guns or to make other weapons, but to draw steel wires.

With the steel wire, Marin can not only make authentic reinforced concrete (it was also made with iron wire before, but it is a low-profile version, which has no tensile strength), but also can consider making a steel spoke hub for bicycle wheels. Bicycle wheels with steel spoke hubs can absorb the impact of the road. Through the deformation of the steel wire, the purpose of cushioning can be achieved. Coupled with rubber pneumatic tires, it can make riding very comfortable.

In addition, a passenger carriage with a small load capacity can also be used with steel spoke wheels. In this way, passengers can be more comfortable. Moreover, it also saves steel materials, making the wheel lighter.

Prior to this, because the elasticity and restoring force of the iron wire were insufficient, it would not work if it was used in a steel spoke hub, and it would not be able to recover after deformation. Therefore, it cannot be applied. Now, Marin plans to use carbon spring steel to make high-elastic steel wires, and its application range is much wider.

Of course, because it is pure hand-drawing, the output is definitely not high, and the price is definitely expensive. But this is just the beginning. In the future, Marin will definitely let people develop a steam engine-driven wire drawing machine. Once the wire drawing machine is put into use, the steel wire or something is a mass-produced cheap product. At that time, bicycle wheels and wagon wheels with steel spoke hubs will inevitably become widely used things in life.

Therefore, the steel plant that Marin asked the lucky guy Krupp to build is essentially a steel wire factory. Blast furnace ironmaking and reverberatory furnace steelmaking are all paving the way for the final drawing process...

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