Chapter 46: The Legend of the Carriage

"So what's the use of that?" Cheng Yanjin was very happy while holding the rope, and asked from the background. Pen "Fun" Pavilion www.biquge.info

The eldest grandson pointed to the heavy object on the tablet and said to Cheng Yanjin, "Uncle, you let a few of them move the iron plate." ”

Cheng Yanjin looked at the eldest grandson suspiciously, and said, "You said it was an iron plate?" How much does it weigh? ”

The eldest grandson didn't make a sound, and the person in charge of the test said, "Grandpa, this iron plate weighs two thousand catties. ”

Now the eldest grandson has figured out the weight conversion of different periods, one catty in the Han Dynasty is less than half a catty in modern times, so even if Guan Yu's eighty-three catties of broadsword is there, its weight is less than forty catties; However, one catty in the Tang Dynasty is equivalent to more than one catty and two taels now. In other words, the weight of the iron block is about 1.2 tons.

"You guys go move it and try it." The old goblin was a little unconvinced, he felt that it was impossible to lift two thousand catties of things so easily.

A strong man next to the old goblin stepped forward and tried it, but the iron did not move at all, and shook his head at the old goblin, but said nothing.

The old goblin was a little unconvinced, and was ready to step forward and do it himself, and the ending was already doomed. Although we describe a person with great strength and strength against Qianjun, based on the excellent romantic spirit of the ancients who "had three thousand feet of white hair" at every turn, this is really not serious. Because the real result was that the old goblin couldn't move the two thousand catties of iron, and he almost flashed his waist.

The old goblin turned around and stared at the "crane" in the mouth of the eldest grandson and said, "Well, this is good. ”

The eldest grandson said with a smile: "This will be equipped with docks and warehouses in the future." "Maybe Changsun Tang is too optimistic.

"Good, good, good!" I said three good things in a row. As soon as the old goblin turned his face, his face changed color, and the topic naturally changed: "Virtuous nephew, the old man came to see the carriage today, what does this mean?" ”

At the signal of the eldest grandson, the tester just now spoke: "Grandpa, please wait a moment, our tester is going to lead the horse, and we will start testing the benefits of this four-wheeled carriage later." ”

As he was saying this, two wagons and two horses were pulled over.

The tester said: "Grandpa, please see, this is the two horses we have carefully selected, and the weight bearing capacity and endurance of the two horses are almost the same. ”

The old goblin didn't understand what this meant, but he stepped forward and patted the horse on the body and said, "Well, both horses are not bad. ”

The tester said, "Grandpa, now the test is about to start." ”

This kind of work can be said to be familiar with the people, and the two iron plates are loaded onto two carriages with a gantry crane. The horses pulling the two-wheeled carriage soon became a little restless, and it was evident that they were a little heavy, while the horses of the four-wheeled carriage were pulling the horses with great ease.

The old goblin's brows furrowed, and he quickly stretched out, and said to the eldest grandson: "But the horses of this four-wheeled carriage do not need to bear weight, and the horses of the two-wheeled carriage need to bear weight?" "The old goblin sometimes pretends to be crazy and stupid, and sometimes messes around, but this does not mean that the old goblin has no vision.

Changsun Tang said: "That's the case, compared with the two-wheeled carriage, this four-wheeled carriage is easy to turn just now, and there is another advantage, that is, the horses of the four-wheeled carriage only need to be responsible for the output, and the two-wheeled carriage also needs to carry a proper weight in order to maintain balance, so that the advantages of the four-wheeled carriage will be more obvious." ”

At this point, the tester added: "This four-wheeled carriage is very convenient to unload the horses when it stops and rests, while the two-wheeled carriage is more troublesome." ”

The old goblin thought for a while, and said to the eldest grandson: "In other words, the same horse, the four-wheeled one has a much more obvious advantage than the two-wheeled one?" But there are also four-wheeled ones in our army, and I haven't paid attention to them before, but they are definitely not as good as your four-wheelers, why is this? ”

The eldest grandson smiled slightly, the old goblin is basically on the thief ship, phew, what a thief ship, why is it so ugly, this is called creating a better tomorrow together. Taking the old goblin's words, the eldest grandson said: "In the past, the four-wheeled carriage was equipped with wheels on the carriage, which could transport more goods, but it had a fatal weakness, that is, the steering was not flexible enough. ”

The principle of the carriage designed by Changsun Tang is more similar to that of today's trailer, with a good steering mechanism made of bearings, the front two wheels are steering wheels, and the rear two are driven wheels. At this time, the four-wheeled carriage that appeared in Datang did not have a steering mechanism, so it was easy to say if it was driving online, but it would be troublesome if it was to turn.

Only then did the old goblin carefully observe the steering mechanism of the new carriage, and there was a large disc on the chassis of the front half of the carriage, and an axle passed through the middle, and nothing else could be seen. But the old goblin shook the disc a little, and a slight bend formed between the carriage's bodies.

"Ingenuity." The old goblin, who has always appeared in the image of a reckless man, actually dragged out such an idiom that is quite in harmony with the scene, which is no less surprising than seeing aliens.

"And how is the load of this carriage?" Cheng Yanjin asked, after all, how many years of old fritters have been boiled out, and the key to the problem is to understand it at one point.

Knowing that after asking this, the matter of establishing a carriage shop that had been discussed before had already been settled, and said with a slight smile: "We might as well try it."

The tester didn't wait for the eldest Sun Tang to speak, and shouted to several test staff to start preparing. Using a simple manpower gantry crane, the four-wheeled carriage was quickly loaded with two iron plates that were just like that, that is, a weight of 4,000 catties.

The horses easily dragged the carriage and drove the driver out of the carriage, and the old elf was going to measure it himself. On the wide concrete floor, the carriage ran easily and smoothly.

After about a stick of incense, the old goblin got out of the carriage with a reluctant face.

As soon as he got out of the carriage, he gave a thumbs up to the eldest grandson. said: "It's really good, pulling such a heavy thing, it doesn't have any difficulty running at all, and it's very smooth, not bumpy at all." How is this done? ”

The eldest grandson still had that expression and said, "It's all up to this spring." The eldest grandson pointed to the steel plate on the axle of the carriage and said.

Originally, as a shock suspension system, the spring is currently the best, but due to the limited level of steel smelting, there is no suitable steel and processing technology, and Changsun Tang has no choice but to give up. It was first topped with a spring sheet, but fortunately it was only temporary, and it was mostly used in freight carriages. (To be continued.) )