With the rapid development of the city of London, more and more skilled talents have emerged from this legendary city, such as pharmacists, master builders, and experts in the field of engineering............ Talents in various industries have begun to promote the slow development of the systematic technology tree. Cement, urban water diversion system, torsion lifting platform, etc., although they did not appear on the tree of science and technology, but very useful research results, slowly emerged in Sun Lin's general idea, of course, there are very few research products that can really start to promote production after the most Lu, the main reason is that the population is small, it is impossible to fill the vacancies in all walks of life, and perhaps in recent months have been in a state of war mobilization, so the direction of research by those skilled craftsmen is biased towards urban defense. Rather than focusing on improving living standards......

Anyone who has seen the Lord of the Rings knows how terrifying the trebuchet placed on the giant city wall in Minas Tirith is, often throwing it at one time, it can easily throw a boulder weighing more than 100 tons and a volume of more than 100 cubic meters to a distance of about 1 kilometer, although it is a bit exaggerated, but if someone can really make that kind of counterweight trebuchet with a height of 50 meters and an area of up to 150 square meters, it is not impossible, but with Sun Lin's current level of science and technology, It was absolutely impossible to create such an epic heavy weapon, and there was not much hope of even letting Sun Lin's skilled craftsmen build a counterweight trebuchet. The reason is simple, some parts of the counterweight trebuchet need some extremely strong parts to be fixed in the manufacturing process, and the most suitable material for creating such parts is steel, but Sun Lin has not yet been able to unlock the "steelmaking" technology point.

However, there must be gains and losses, and there must be gains and losses, although it is impossible to make steel, but the craftsmen who specialize in torsional mechanics and ballistics in the hands of Sun Lin have created a torsion trebuchet specially used to throw large weapons after many deductions and studies, with a range of 300 meters to 420 meters, if you add the height of the Nottingham Gorge, this heavy torsion trebuchet can throw gravel blocks or fuel drums out of a distance of 500 meters, and the only disadvantage of this torsion trebuchet is that it is relatively large in size. Therefore, it is currently only used in city defense facilities and ship weapons, and cannot be moved like other ballistas and catapults.

"Is this the heavy-duty long-range trebuchet named Tower No. 3? It doesn't seem to be much improved except that it's a little larger than other trebuchets, right? You say yes, General Bobby. After passing through several newly opened rock tunnels and stone steps, Sun Lin and Bobby arrived at a large stone tower on the edge of a cliff the next morning, led by a quartermaster who was escorting the city's defense weapons from London.

"Indeed, in one respect, this type of trebuchet is no different from those less heavy but movable trebuchets, but ............ I'm curious about why this trebuchet throws objects made of leather, not wood or iron, it stands to reason that the putting table made of wood and iron will make the projected objects more accurate, and if it is not used to hit the enemy's siege equipment, it can also throw many gravel blocks at once to hit the enemy soldiers, and the trebuchet designed like you does not throw other items except for some small and medium-sized single stones, which does not meet the needs of the army? ”

"Your Majesty Sun Linmian, General, in fact, I want to say that this heavy trebuchet named 'Iron Tower' No. 3 cannot be regarded as a trebuchet in the true sense of the word, because from the time he was studied to the time he was mass-produced, he never threw a single stone in all the tests." The quartermaster just smiled indifferently at Sun Lin and Bobby's question, as if he had expected Sun Lin and the two to ask such a question.

"Hmmm! You've whetted my appetite, and if it weren't for your better logistics handling, I might have promoted you to diplomat by now......... So now you can explain what this heavy trebuchet is for, and if its principle is to my liking, I might consider giving you the right to control the quartermaster of Nottingham. As he spoke, Sun Lin looked at the calm-faced quartermaster in front of him with a little playfulness.

"Xie Lu Xie Sun Lin's love, but I think it's better to forget it, I prefer warm London to Nottingham with hot days and cold nights, so I'd better continue to be my little quartermaster. The quartermaster shook his head at Sun Lin and said in a calm tone, "I don't have that kind of talent as a great official. ”

"Really? It's a shame. Sun Lin said regretfully

"Your Majesty Sun Linmian, General Bobby, I definitely don't have the eloquence to explain the strategy of this heavy trebuchet if I alone explain, so I hope to explain this weapon with actual operation."

"Approved."

"Yes!" After receiving the order, the quartermaster walked to the stone tower, and under Sun Lin's gaze, he commanded two engineers who had used the "Iron Tower" No. 3 to carry out a wooden barrel full of things from the ammunition storage room in the stone tower, which made Sun Lin and Bobby curious, they found a hemp rope stuck to the side of the barrel on the side of the barrel, and the quartermaster lit a torch in broad daylight: "Is it impossible to ................ this inside, in terms of the current scientific and technological water, It is impossible for the craftsmen of the city of London to come up with black powder, it smells familiar, but what is it? Although he really wanted to take out his weapon and pry open the closed wooden barrel to see what it contained, Sun Lin, who knew that he was an outsider, finally resisted his curiosity and quietly watched the quartermaster's command.

Under the operation of the quartermaster and two engineers, they first relied on the rotating iron twist, pulled down the parabolic pole with the cross twist on the body of the "iron tower" No. 3 and fixed it with a hemp rope, and then put the wooden barrel the size of half a person into the leather belt, and carefully wrapped it, and then under Bobby's curious and curious gaze, the quartermaster stepped forward and lit the hemp rope stuck to the outside of the barrel with a torch, and before Sun Lin could react, he suddenly pulled out the dagger on his body and cut off the hemp rope that tied the parabola.

"Bump!" The parabola, which had lost its pulling force, instantly bounced forward and hit the sheep cotton belt that had been used to reduce the anti-shock force in advance, and the barrel wrapped in leather also flew forward with a gray tail because of the principle of ballistics: "Oil! Right! That's right! The barrel tasted the same as the gasoline in the gas station before, could it be that it was Greek fire?! ”

"Boom!" At the same time as Sun Lin exclaimed the Greek fire, the wooden barrel that flew out of the sky suddenly exploded in mid-air, and the sparks shot out in an instant, but a surprising scene appeared, these flying sparks did not disappear after scattering like fireworks, but turned into small "meteors" and fell down..................

PS: Which kind Samaritan can light up the red hearts on the right side of the homepage, and it's a weird ugly one.........