The Rise of the European Emperor

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Although Henry VII fooled the past in front of the Roman Inquiry, his enemies were not going to let it go. Soon, Henry VII used the fake bones of Edward V and Richard, Duke of York to fool the Roman investigation team. The most unfortunate thing is that it was discovered on the spot.

Although Henry VII's statement fooled the Roman investigation team, when Henry VII's opponents sent people to spread the news, they insisted that this was not a misunderstanding, but Henry VII deliberately falsified. Because, there is no such thing as Richard III's monarchy...

As a traveler who is well versed in the power of rumors, Marin knows how easy it is to spread a three-point false seven-point true rumor in this era.

Therefore, Marin directly sent representatives of the North Sea Chamber of Commerce in England to quickly spread rumors in England that His Majesty Henry VII could not find the bodies of Edward V and Richard, Duke of York, so he deliberately found two fake corpses, To pretend to be the bones of Edward V and Richard, Duke of York. It can be seen that Richard III's murder of the king is clearly a rumor. And Henry VII murdered the monarch, but it is obvious to all...

In fact, this can not be regarded as a rumor, most of which are conjectured facts. Even, Marin also let people publicize in England, saying that Richard III's reforms were good for ordinary British people, but they harmed the interests of the nobility. So, Henry VII colluded with these aristocrats whose interests were damaged, and a rebellion broke out...

This statement quickly spread among the people of England and caused an uproar. Previously, Queen Henry VII tried his best to discredit Richard III in order to show his orthodoxy, and discredited Richard III as a tyrant who did all kinds of evil. He, Henry VII raised an army to defeat Richard III, which was in accordance with the guidance of the emperor... Those nobles who betrayed Richard III and turned to Henry VII were also portrayed as wise figures who "turned away from darkness and turned to light"...

However, this rumor, which seems to be a rumor, is to tear the fig leaf of Henry VII and his supporters all at once...

Enraged, Henry VII ordered a stern investigation into who had spread this "rumour" and vowed to find these people and hang them publicly. It's a pity that the spies under Marin's command were so incautious? Therefore, Henry VII did not catch any useful people, but caught a large number of ordinary people who secretly spread "rumors".

Henry VII happened to be annoyed by the Roman investigation team at this time. Hearing such a "rumor", he was naturally furious. Then, some unfortunate ordinary people were hanged on the execution ground...

The intelligence officers under Marin took the opportunity to spread the news - "King Killer" became angry, because the secret was revealed by others, so the reaction was so big...

Then,

Although the news from the public seems to have died down, in private, many ordinary people believe this statement...

...

Of course, it doesn't matter. Even if ordinary people know some so-called insider stories, they have little influence on the overall situation. Marin's real purpose is to build momentum for Edward.

After all, Marin was going to lead an army of tens of thousands to help Edward defeat Henry VII and capture the whole of England. It would be embarrassing if, after taking England, it turned out that no one supported Edward.

In this era, although the love of the people is not important, it cannot be without. After all, he was loved by the people, and Edward had a bright face when he ascended the throne, right? If everyone shouts and fights, they will grab the throne, and in the future, they will have to face one after another rebellion...

...

From Sweden, another batch of copper ingots was sent. Well, Marin now has tin and zinc ingots in his hands. So, Marin suddenly remembered the legendary gun metal specially used for casting guns, and the naval copper specially used to wrap the part below the waterline to prevent seawater corrosion...

The so-called gunmetal is a kind of bronze. Of course, it is not the simplest copper-tin alloy bronze, but also needs to add some zinc. Examples are - 88% copper, 10% tin and 2% zinc.

This match is the best match that has been repeatedly verified by later generations. Marin is not a metallurgist, and it is not clear why the gunmetal uses this configuration. However, he knew that it was enough to use it, so why think about it so much?

Before, when Marin cast bronze guns, he could only use copper-tin alloy bronze, which was impossible. Because, at that time, he had no zinc in his hand. Now that zinc ingots are made, Marin naturally wants to make standard gunmetal to cast guns. Although I don't know why I use this configuration, it has been repeatedly certified by later generations. If you use this configuration to get gunmetal, you can't go wrong...

The reason for the gunmetal was that Marin wanted to mass cast the 12-pound Napoleon. Now the more popular 6-pounder gun of the Marlin Army can only penetrate half a company column at a distance of 200 yards. The 12-pound Napoleon cannon can penetrate the entire company column at a distance of 600 yards, and it is very easy.

Moreover, in the casting of bronze cannons, the iron mold cannon casting method can be used, and the cannon casting speed is very fast. For cast iron guns, because there are many problems with iron, it is best not to cast iron molds when casting guns. But if you use clay mold casting, it will take two to three months to dry the clay mold, which is very inefficient.

Although it is said that Marin can also make steel guns now, Marin does not plan to promote steel guns. why? This is setting a high threshold for other countries...

The 12-pounder Napoleon, the most powerful infantry gun Marin has ever known. To make a 12-pounder Napoleon, it takes as much as 1,227 pounds of gunmetal. It would cost as much as 122,700 pounds of gunmetal to cast 100. At the current price of copper in Europe, casting 100 12-pound Napoleon cannons is enough for most nobles to go bankrupt.

Therefore, Marin's promotion of copper cannons can not only use the iron mold casting method to quickly mass-produce equipment, but also create cost barriers for other countries - you know this cannon is good, but you can't afford it. At least, a lot of equipment can't afford it...

In the future, Marin will invade Japan. Japan is not only rich in gold and silver, but also extremely rich in copper mines. As long as you reach out to Japan, you don't have to worry about the source of the cannon casting materials...

But the problem is, when he really came to make gunmetal, Marin encountered the real problem - zinc vapor is easy to volatilize...

The melting point of copper is 1083 degrees, and zinc can be vaporized into steam at 907 degrees. Therefore, it is not practical to melt copper ingots and zinc ingots directly. When heated, the copper has not yet melted, and the zinc has turned into zinc vapour...

In desperation, Marin had to use a stupid method - first burn the zinc ingot to convert it into zinc oxide, and then heat the copper block, charcoal and zinc oxide together. The charcoal and zinc oxide undergo a reduction reaction to form zinc, which is incorporated into the copper block.

Then, the zinc-containing copper block is melted again and stirred evenly to obtain a copper-zinc alloy...

As for tin, it's perfectly fine to wait until it's melted before adding it. Because, although the melting point of tin is low, the boiling point (vaporization temperature) is as high as 2260 degrees. When the copper-zinc alloy is melted, add tin water directly to it and stir well. In this way, the gunmetal is produced...

As for the navy bronze, it is another match. It is 70% copper, 29% zinc and 1% tin. Because of the high zinc content and tin content, it belongs to brass. The gunmetal has a higher tin content, so it belongs to bronze.

The characteristics of naval copper are mainly strong corrosion resistance, especially seawater corrosion resistance. Therefore, this kind of brass is most suitable for making the copper skin covering the lower part of the waterline of the wooden boat. This copper skin can not be replaced for many years. Because of its strong resistance to seawater corrosion.

Even in later generations, naval copper is a widely used copper alloy, which can be used in the manufacture of ship propellers, as well as in the manufacture of copper pipes and copper valves that pass through high-temperature steam. Marin is now working on a steam engine, which can use a large amount of naval copper to make pipes and valves through the steam to increase the service life. Unlike iron, which is easily oxidized under the impact of high temperature water vapor...

In short, with zinc, Marin can manufacture gunmetal and naval bronze on a large scale, with gunmetal, it can be used to make high-quality bronze guns; with naval copper, it can make copper skin and Important components such as copper pipes and valves required for steam engines...\u003c/t\u003e

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