Chapter 1540

"Your Highness, please take a look. This is the bird boat 'standard sample' made by craftsmen." Zhang Zizhou, the new director of Tianjin Shipyard, held a wooden model and presented it to Zhang Shundao.

"Oh?" Zhang Shun took a look, but it turned out to be half a bird ship model, and looked at Zhang Zizhou suspiciously.

"Determining the side sample, also known as 'pointing the grass frame', is learned from the method of building a house," Zhang Zizhou quickly explained.

"First take the ruler as the zhang, the inch as the ruler, the centimeters as the centimeters, the centimeters as the centimeters, and the millimeters as centimetres, and side-draw the building on the flat wall..."

"Oh!" Zhang Shun observed carefully first, then listened to his explanation, and immediately understood what it was.

It turned out that when Zhang Shun built a house in his previous life, he first designed the blueprints, then made technical disclosures, and finally constructed parts of the project according to the drawings.

The average education level of craftsmen in this era is naturally not as good as that of later generations. Most of them neither know standard drawing nor understand blueprints, but the project still needs to be carried out, so what should we do?
The technicians at that time thought of a simple and easy-to-understand method, that is, to make an isometric longitudinal section model.

This can not only show the appearance of the finished product, but also show the internal structure, which can be said to kill two birds with one stone.

The "fixed side sample" presented by Zhang Zizhou is actually an isometric longitudinal section model of a bird boat.

In fact, the bionics of ancient Chinese ships were not fish, but water birds.

"Oh? Just take it in and have a look together while Director Zhang isn't leaving!" Zhang Shun thought it was just right when he heard the words, and quickly ordered.

It turned out that although the boat was a good boat, its shape was far from his previous impression.

Where did Zhang Shun expect it to be? Just this slight difference is the result of hundreds of years of exploration by later generations.

Thinking of this, Zhang Shun couldn't help but said: "This boat is very good, but you can build another one other than this king, and compare and test it."

"Okay, let's do this first!" Seeing that things were almost done, Zhang Shun prepared to serve tea to see off the guests.

"Your Highness, look!" Not long after, Gao Qiqian came in with a few soldiers, and presented seven or eight kinds of wood. He pointed to one of the thick and thin dark brown wooden poles, and said mysteriously.

"Oh?" Zhang Shun took a strange look at this ordinary wooden pole with leather, and said that it was a gun shaft sent up.

Of course Zhang Shun didn't know, but Zhang Zizhou regarded his suggestion as a typical example of "a layman guiding an expert".

"Your Highness, Dongjiang Town has sent some wood, and some of them call themselves 'Sai Heihua', who claim to be strong in steel. I wonder if Your Highness would like to take a look?" At this moment, the voice of Gao Qiqian sounded outside.

"Because the speed of this bird boat is very fast, it is easy to be hit on the bow by waves, so two sets of side panels are added on the left and right sides to prevent waves, which makes it look like this."

"The mallard on the surface of the sea?" Apparently Zhang Shun also understood that the mallard was not floating, but a mallard.

"Okay, that's pretty simple. When the craftsmen try it out, I'll ask them to add another one!" Zhang Zizhou nodded upon hearing this.

"Compared with the original Haicang ship, it not only has more powerful firepower, but also is more flexible and fast..."

"There is an anchor in the front, a rudder in the back, a [-]-jin cannon in the front and a [-]-jin cannon in the front, and two Franglers in the back."

"Please look, Your Highness, this bird boat has three sails and two masts, and two sculls behind it. It is most convenient to sail when there is wind, but to move the oars when there is no wind." Zhang Zizhou couldn't help pointing.

It's fine if you say it's normal, but now is the time to use troops at sea, so don't be careless.

"Oh!" Zhang Shun suddenly realized and nodded, then pointed to the sharper bow and said, "Then this place is used for chopping waves?"

Although it is said that due to the different environment between the later generations and the late Ming Dynasty, the designs that are suitable for later generations may not be suitable for this life.

"If it can withstand blisters and insects, this wood will be of great use." Zhang Zizhou smiled when he heard the words, and couldn't help but stepped forward to look, and couldn't help being surprised, "Eh, this wood is extraordinary?"

"No, Your Highness, this black birch is like this. It originally grew in Liaodong, North Korea and other places. It is as hard as iron and difficult to chop." Gao Qiqian quickly explained with his new knowledge.

"That's right. Although the bow is like an upside-down horoscope, in fact, the sides of the bow are not floating outward, but turned inward." Zhang Shun explained, "Then, can you put the two sides together first? Changed to a floating shape, and then the bow of the ship is changed to a forward convex like a ramming angle?"

But this bird boat is the opposite. Not only does it not have a sharp bow, but it has one piece less than other boats, which looks like a gap.

Zhang Shun couldn't help laughing: "It's so heavy, could it be that it's been filled with lead?"

Anyway, the other structures are the same, only the bow and the structure of the bow are changed, and the labor and materials consumed are not large, and it is all about making His Highness happy.

"Your Highness is wise!" Zhang Zizhou nodded, and praised Zhang Shun calmly.

It turned out that Zhang Shun thought about it for a long time, and suddenly remembered the difference between the ship of later generations and the bow of this ship.

"I can't tell you clearly, but according to my feeling, it should be able to stabilize the hull and increase the speed."

"how do I say this?"

Although many complicated principles and designs are involved, this does not prevent Zhang Shun from adopting "bringing doctrine".

It turns out that this floating bow is exactly the "flying shear" bow structure, which is the bow used by the famous "flying shear ship" in the United States in the [-]th century.

"Oh, Your Highness doesn't know something, this is the characteristic of Niaochuan!" Zhang Zizhou couldn't help laughing when he heard this.

This is especially true for this bird boat, whose shape also imitates the swimming posture of waterfowl, with its head raised and its tail raised, walking on the water.

Moreover, it can be deduced according to common sense that if the sides of the bow are floating outward, it will definitely be beneficial to the stability of the ship.

"Oh? I wonder what His Highness wants to improve?" Zhang Zizhou couldn't help but wonder.

Moreover, the prow of this bird boat is not only missing a piece, but it is also dark green all over, and has been painted with green eyebrows, red beak, and black eyes by the craftsmen, making it look like a strange bird.

"Oh? It seems that the cost is not low!" Zhang Shun frowned, and couldn't help but turned to Zhang Zizhou and asked, "Do you think this kind of wood can be used on a boat?"

He couldn't help stretching out his hand to grab it, but when he took it up, it was actually heavy.

"Hey, why is there a gap in the bow?" Just as Zhang Zizhou was talking about it, Zhang Shun suddenly pointed to the bow and asked.

It turned out that in Zhang Shun's previous life memories, most sailing ships had sharp bows.

Mallard, wild duck, also extended to swimming.

"Then... won't the bow of the boat get on the waves?" Zhang Shun thought to himself: If we want to prevent the waves, why not prevent them thoroughly?
"Your Highness, you're an amateur!" Zhang Zizhou couldn't help laughing, "This sea-going ship is generally light at the front and heavy at the rear, with a high bow, so it can ride the wind and waves and swim on the sea."

However, Zhang Shun believes that the difference in structure must have a profound meaning to the extent of future development.

However, Zhang Shun didn't care about it carelessly, instead he frowned.

"My servant also asked this question. It is said that all things can be destroyed. Although this wood is difficult to break through gold and water, it is only afraid of fire." Gao Qiqian replied quickly.

The big nose of the bow is exactly the "bulb bow", which is a design that can reduce water resistance and improve sailing speed in the [-]th century.

The bow structure of ships in later generations is different from this ship, one is that the bow has a big nose, and the other is that the sides of the deep V-shaped bow are straight or floating, and there are very few such inner buckles. .

"What's the use of this?" Zhang Zizhou couldn't help being surprised.

"When felling, first use fire to burn the iron utensils red, scald the tree, and then cut down."

"Oh? If that's the case, how can this wood be cut down?" Zhang Shun looked up again when he heard the words, and shook his head involuntarily.

"Your Highness, you can see that the grain of the wood is extremely tight, which is the first time I have seen it since I supervised the shipbuilding!" Zhang Zizhou couldn't help explaining.

"If, as Dongjiang Headquarters said, this wood is really so hard that it can be used as a keel, then the giant ship will be indestructible!"

"Hey, don't tell me, according to what the envoy said, the wood is impervious to water, and the knife keeps cutting, so it can't really be used!" Gao Qiqian said after hearing the words.

"Oh?" In that case, the minister will return to Tianjin and conduct the experiment immediately! " Zhang Zizhou was quite excited when he heard the words, and quickly asked to resign.

(End of this chapter)

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