Guo Shao received a report that the military weapon surveillance cast an iron cannon, which has been successfully tested and launched.
He went to Beiyuan Firefighting Floor to watch and asked Zan Jurun to accompany him.
When he reached the place, Guo Shao saw several short and thick cannons, all over the body, and six iron rings were wrapped around the cannon barrel. They looked very strange, completely different from the cannon he remembered. The thing in front of him did not look like a cannon, but rather like a long oil barrel!
Zan Jurun said: We have cast two types of cannons under the order, this one is the largest, weighing 500 kilograms!The muzzle is nine inches and six minutes in diameter (about 320 mm), and the gun is four feet long...
Guo Shao nodded and signaled that he was listening carefully, thinking that the ratio of the caliber and length was only four to one, no wonder it looked like a bucket.
There is also a base at the bottom of the barrel, which is a wooden base to fix the gun body, so it looks very strange and does not look like a cannon.
Zan Jurun continued: It can fire more than 100 kilograms of stone bullets, with a range of 600 steps!
Should it be an oblique projection of the muzzle?Guo Shao asked immediately.Because of such a thick and short caliber and such a large stone, it is impossible to shoot too far, and it will definitely hit the ground directly if it is not far away.
Sure enough, Zan Ju Run said: This is the only way to launch it like a stone throwing cart.However, I think this cannon is far better than a stone throwing cart, with a longer range and a heavier and greater power.Moreover, casting iron cannons costs less than making stone throwing cars, and they are not easy to break; stone throwing cars are easily damaged.The only thing that didn't work for the gunpowder cannon was slow to load.
Guo Shao ordered the experiment.
The craftsmen came up to fill the filling, poured the gunpowder into it with a dustpan, and then a big man put it in with a round stone, filling the soil and tightening the gap.
Guo Shao sat down next to the wooden table in the distance, observing and writing while writing and drawing.
According to Zan Jurun's description size, calculate the spherical volume of the stone bullet according to the volume formula... Then the density of the stone is about three times that of the water. Guo Shao quickly estimated that the weight of the stone is indeed about 100 kilograms!
The craftsmen put a lead with a paper wrapped red medicine into the small hole at the bottom of the cannon and shouted: Your Majesty, the villain is about to ignite the fire!
Guo Shao put down his brush and blocked his ears with his fingers. After a while, he lit the lead with a torch and quickly ignited it in.
Suddenly, there was a loud bang, and the brushes on the wooden table were thundered and they saw flames spewing out of the gun mouth, thick white smoke rising, and a stone flew towards the air with a visible trajectory.
After a while, it landed on the grass in the distance.
Guo Shao looked into the distance and saw a brick-covered earth wall that was a target.
Everyone fired several more shots one after another, and one of them hit the city wall. The sound of stones hitting a lot of places could be heard.
At this time, Guo Shao turned over and ran to the landing site with his group to watch.
The three big pits on the grass were all smashed by stone cannons, and the earthen wall in front was hit by a stone. Although it was impossible to collapse, the female wall and bricks on it were smashed to pieces!
The scene in front of him immediately made Guo Shao think that this thing can be used to attack cities, which is better than a stone throwing cart.
...Then Guo Shao watched another test of a small cannon.
The casting looks similar to the cannon just now, but it is a little smaller, weighing only more than fifty pounds, just like an iron barrel, with a thin wall and a horn of iron rings.
This kind of cannon shatters, loading dozens of gravels at one time to carry out area strikes.
But the effect of the shotgun is a bit unsatisfactory, and can only cover the area twenty steps away, with a coverage width of less than ten steps; if it is farther away, there will be no lethality, because the gravel flying out of the large-caliber muzzle is inconsistent in the direction, and some fly upwards, and some hit the ground near it. A little farther away, there will be not many stones that can happen to be at the correct height.
It is precisely because of this that gravel can form an area blow. If it is all in one direction, the coverage will be narrower.
Guo Shao estimated that if the front was a cavalry, the cavalry would be relatively sparse in order to prevent collisions when charging, and they could hit two or three cavalry with one shot, but the close-range killing of dense infantry may be greater.
The shotgun is much worse than Guo Shao imagined, and it seems that it is not very practical; perhaps the reason why the artillery made by the military weapon surveillance is not as good as Qi Jiguang's Tiger Cannon... But it is reasonable to think about it. If the shotgun's damage is far and wide, then what value does the musket volley have?
So Guo Shao personally named the cannon that shot big stones, Long Xiao Cannon, but did not name the cannon that shot small stones.
……
Guo Shao spent a lot of effort, and the actual function of the firearms he made was mostly not as good as cold weapons. Only the Dragon Roar Cannon was the most useful and could replace the stone throwing cart to attack the city.
But he still did not give up on the firearm.
The bronze gun cast by the military weapon supervisor had an effective range of 40 steps and a strong range of 20 steps. When entering practical production, the firing method was similar to a cannon. A small hole was drilled behind it, put the lead into the hole, and then ignite it open flame.
Then some iron rings with iron spikes were added to the barrel; a handle was cast behind... Imagine that the lead bullet could be used as a mace!
The musket has completely deviated from Guo Shao's original intention and looks increasingly weird, but he has no choice because with his current performance, this is more practical.
However, he felt that the bronze gun still needed some improvement, which was the ignition method.
It is conceivable how inconvenient it is to take a torch and dot the lead wires on each person. If the torch is extinguished, it will become a complete mace!
What Guo Shao thought of was the ignition method of the cot rope gun.He had given up on the flintlock method for the time being because the part was too difficult to make, and he couldn't remember what it was in structure, and he couldn't figure it out for a while.
The craftsmen in the Firearms House cannot create such things in a short time because they have never seen them.
Guo Shao designed his own mechanism in the iron shop of the Zuen Hall. The principle to be realized is very simple: he used a mechanism to press the ignited fuse into the gunpowder; and then fired it.
But it was just such a simple thing. Guo Shao had not figured it out for several evenings and found many problems... For example, if you want to directly press the fuse into the barrel, the ignition hole will be larger, affecting the airtightness and further reducing the performance of the fuse; and if the fuse is exposed near the gunpowder, it is easy to get out of fire because the gunpowder is just a little bit; ordinary hemp ropes or cloth ropes burn too fast...
Also, this firing mechanism is not complicated, but if it is put behind the barrel, it will easily be damaged if it is used as a mace; it is not easy to be used.
Guo Shao felt a little headache, and he felt that even the most backward technology in the eyes of later generations was not easy to make progress.
But he was still unwilling to give up this path, so he had to patiently and slowly explore with himself and the military weapon supervisors.
He went to Beiyuan Firefighting Floor to watch and asked Zan Jurun to accompany him.
When he reached the place, Guo Shao saw several short and thick cannons, all over the body, and six iron rings were wrapped around the cannon barrel. They looked very strange, completely different from the cannon he remembered. The thing in front of him did not look like a cannon, but rather like a long oil barrel!
Zan Jurun said: We have cast two types of cannons under the order, this one is the largest, weighing 500 kilograms!The muzzle is nine inches and six minutes in diameter (about 320 mm), and the gun is four feet long...
Guo Shao nodded and signaled that he was listening carefully, thinking that the ratio of the caliber and length was only four to one, no wonder it looked like a bucket.
There is also a base at the bottom of the barrel, which is a wooden base to fix the gun body, so it looks very strange and does not look like a cannon.
Zan Jurun continued: It can fire more than 100 kilograms of stone bullets, with a range of 600 steps!
Should it be an oblique projection of the muzzle?Guo Shao asked immediately.Because of such a thick and short caliber and such a large stone, it is impossible to shoot too far, and it will definitely hit the ground directly if it is not far away.
Sure enough, Zan Ju Run said: This is the only way to launch it like a stone throwing cart.However, I think this cannon is far better than a stone throwing cart, with a longer range and a heavier and greater power.Moreover, casting iron cannons costs less than making stone throwing cars, and they are not easy to break; stone throwing cars are easily damaged.The only thing that didn't work for the gunpowder cannon was slow to load.
Guo Shao ordered the experiment.
The craftsmen came up to fill the filling, poured the gunpowder into it with a dustpan, and then a big man put it in with a round stone, filling the soil and tightening the gap.
Guo Shao sat down next to the wooden table in the distance, observing and writing while writing and drawing.
According to Zan Jurun's description size, calculate the spherical volume of the stone bullet according to the volume formula... Then the density of the stone is about three times that of the water. Guo Shao quickly estimated that the weight of the stone is indeed about 100 kilograms!
The craftsmen put a lead with a paper wrapped red medicine into the small hole at the bottom of the cannon and shouted: Your Majesty, the villain is about to ignite the fire!
Guo Shao put down his brush and blocked his ears with his fingers. After a while, he lit the lead with a torch and quickly ignited it in.
Suddenly, there was a loud bang, and the brushes on the wooden table were thundered and they saw flames spewing out of the gun mouth, thick white smoke rising, and a stone flew towards the air with a visible trajectory.
After a while, it landed on the grass in the distance.
Guo Shao looked into the distance and saw a brick-covered earth wall that was a target.
Everyone fired several more shots one after another, and one of them hit the city wall. The sound of stones hitting a lot of places could be heard.
At this time, Guo Shao turned over and ran to the landing site with his group to watch.
The three big pits on the grass were all smashed by stone cannons, and the earthen wall in front was hit by a stone. Although it was impossible to collapse, the female wall and bricks on it were smashed to pieces!
The scene in front of him immediately made Guo Shao think that this thing can be used to attack cities, which is better than a stone throwing cart.
...Then Guo Shao watched another test of a small cannon.
The casting looks similar to the cannon just now, but it is a little smaller, weighing only more than fifty pounds, just like an iron barrel, with a thin wall and a horn of iron rings.
This kind of cannon shatters, loading dozens of gravels at one time to carry out area strikes.
But the effect of the shotgun is a bit unsatisfactory, and can only cover the area twenty steps away, with a coverage width of less than ten steps; if it is farther away, there will be no lethality, because the gravel flying out of the large-caliber muzzle is inconsistent in the direction, and some fly upwards, and some hit the ground near it. A little farther away, there will be not many stones that can happen to be at the correct height.
It is precisely because of this that gravel can form an area blow. If it is all in one direction, the coverage will be narrower.
Guo Shao estimated that if the front was a cavalry, the cavalry would be relatively sparse in order to prevent collisions when charging, and they could hit two or three cavalry with one shot, but the close-range killing of dense infantry may be greater.
The shotgun is much worse than Guo Shao imagined, and it seems that it is not very practical; perhaps the reason why the artillery made by the military weapon surveillance is not as good as Qi Jiguang's Tiger Cannon... But it is reasonable to think about it. If the shotgun's damage is far and wide, then what value does the musket volley have?
So Guo Shao personally named the cannon that shot big stones, Long Xiao Cannon, but did not name the cannon that shot small stones.
……
Guo Shao spent a lot of effort, and the actual function of the firearms he made was mostly not as good as cold weapons. Only the Dragon Roar Cannon was the most useful and could replace the stone throwing cart to attack the city.
But he still did not give up on the firearm.
The bronze gun cast by the military weapon supervisor had an effective range of 40 steps and a strong range of 20 steps. When entering practical production, the firing method was similar to a cannon. A small hole was drilled behind it, put the lead into the hole, and then ignite it open flame.
Then some iron rings with iron spikes were added to the barrel; a handle was cast behind... Imagine that the lead bullet could be used as a mace!
The musket has completely deviated from Guo Shao's original intention and looks increasingly weird, but he has no choice because with his current performance, this is more practical.
However, he felt that the bronze gun still needed some improvement, which was the ignition method.
It is conceivable how inconvenient it is to take a torch and dot the lead wires on each person. If the torch is extinguished, it will become a complete mace!
What Guo Shao thought of was the ignition method of the cot rope gun.He had given up on the flintlock method for the time being because the part was too difficult to make, and he couldn't remember what it was in structure, and he couldn't figure it out for a while.
The craftsmen in the Firearms House cannot create such things in a short time because they have never seen them.
Guo Shao designed his own mechanism in the iron shop of the Zuen Hall. The principle to be realized is very simple: he used a mechanism to press the ignited fuse into the gunpowder; and then fired it.
But it was just such a simple thing. Guo Shao had not figured it out for several evenings and found many problems... For example, if you want to directly press the fuse into the barrel, the ignition hole will be larger, affecting the airtightness and further reducing the performance of the fuse; and if the fuse is exposed near the gunpowder, it is easy to get out of fire because the gunpowder is just a little bit; ordinary hemp ropes or cloth ropes burn too fast...
Also, this firing mechanism is not complicated, but if it is put behind the barrel, it will easily be damaged if it is used as a mace; it is not easy to be used.
Guo Shao felt a little headache, and he felt that even the most backward technology in the eyes of later generations was not easy to make progress.
But he was still unwilling to give up this path, so he had to patiently and slowly explore with himself and the military weapon supervisors.
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