Daming One Piece

Chapter 93: Heartbroken (Second update, please recommend, please collect)
Blown away by the wind?
Sailboats will of course be blown away by the wind, but this blowing away must be under human control. In this era, the maritime merchants of Ming Dynasty are limited by navigation technology and other reasons, and they often sail along the coast from island to island. Don't dare to go in unfamiliar waters.

In fact, the Europeans are almost the same. Compared with the maritime merchants of Ming Dynasty, their greatest strength is probably drawing charts and sailing against the wind.

The former is because they turned nautical chart drawing into a discipline, and the latter is because compared with western ships, there are many kinds of sails, and they can use the triangular rig and gaff sail to catch the crosswind, so they can adopt Zigzag sails in places with many wind directions; while the oriental hard sailing ships have a single type of sail, and only one hard sail made of bamboo strips, straw mats or reed mats is hung on the mast.Because a single type of sail cannot be matched, it is not easy to enjoy various winds.Moreover, Chinese sailboats do not use movable pulleys, and it is very inconvenient to turn and operate heavy hard sails. They rely more on the monsoon with a fixed wind direction when sailing, and sail on a fixed route year after year.Zheng Chenggong suffered a loss in this regard when he regained Taiwan-the Dutch ship "Maria" returned to Batavia against the wind, but Zheng's fleet could not catch up.

However, even though Western-style sailboats have the advantage of multi-sail coordination, under normal circumstances, they will avoid sailing against the wind. After all, they also rely on ocean currents for navigation.Navigation technology is the biggest obstacle in the era of great navigation. As for ships and sails, they are secondary.

When the wind is against the wind, if the ship is blown out of the ocean current, the price of getting lost at sea is certain death.Shi Yiwen was not worried about this at all.

As in the past, after going to sea for an hour, Shi Yiwen will pick up a navigator, which is a copper sextant, but this sextant is not for navigation, but it is placed on the shelves of the supermarket Although the decorative ornaments can be operated, the scale is not accurate enough, that is, it can barely be used.But even so, it can meet basic needs.

"My lord, what are you doing?"

Gan Hui, who was going to sea with Shi Yiwen for the first time, asked.

"It's a sextant, and it's used to measure latitude,"

Shi Yiwen laughed.

"Use it to measure the angle between the sun or other celestial bodies and the sea level or the horizon, and then you can quickly calculate the latitude of the location, so that you know where we are at sea."

"That's how we know where we are at sea?"

Looking at the sextant in surprise, Gan Hui's face was full of surprise.

"This is just to get the latitude, but also to get the longitude. This longitude is measured with a table..."

The clock method to measure longitude, from Galileo's proposal, to the British Harrison's "navigation clock" in the middle and late 18th century, its invention directly ended the era of great navigation. Why... Since then, the captains no longer worry about themselves Lost at sea, they can sail to any place in the world and find out exactly where they are.

Shi Yiwen does not have the "navigation clock" invented by Harrison, but there are a bunch of quartz watches and electronic watches in the supermarket, and the accuracy of those clocks is not much worse than Harrison's "navigation clock".

……

With a sextant, compass, compass, square, plus an electronic watch, plus a reliable world map, even if there is no reliable nautical chart, as long as these things can be used correctly , Shi Yiwen believes that he will never get lost in the sea.

As for the correct way to use it, it has long been written in high school textbooks.

But then again, can you sail freely on the sea without getting lost?

Of course not.

First of all, your boat must be able to withstand the turbulent waves. After all, when sailing in the ocean, there is not always a safe haven to shelter from the wind. In case of a typhoon, the possibility of stopping food is very high. Any typhoon is possible. Smack the boat to the bottom of the sea.No matter how good a ship is, it can't withstand a typhoon, not even an aircraft carrier, and you have to hide in advance if you encounter a typhoon.

So in the end, there must be an accurate sea chart, so that the captain can know where there is land, islands, and how far away he is, and where to hide when encountering a storm.

Of course, the most important thing is good luck.

In an age when there were no weather forecasts and sailing was dependent on the wind, luck was the most important thing.

A reasonably accurate sextant, a reasonably reliable sailboat, and the correct way to use it.

All Shi Yiwen needs now is an accurate chart and good luck.And these two things need him to explore by himself. The sea chart needs to be measured and drawn at the same time.Going on like this for decades, when they have turned around every coastline in the world, accurate charts will almost come out.

This is a combination of time, energy and knowledge, especially the latter. Seeing Gan Hui's excited look, Shi Yiwen said with a smile.

"Well, do you want to try it?"

"This, can this work?"

In an instant, Gan Hui felt an inexplicable excitement in his heart.

Is Mr. Shi going to teach himself such a secret technique?

After so many years at sea, how could Gan Hui not know that the reason why the owner of the ship is the owner of the ship is because they hold the secret of the route and the position of the ship at sea.

How can Mr. Shi pass it on to outsiders?

Thinking of this, he repeatedly waved his hands and said.

"Mr. Shi, outsiders and outsiders can't learn your method, and you can't learn it..."

"Why can't I learn?"

Shi Yiwen laughed loudly.

"This is a secret that is not passed on, and it cannot be seen by outsiders."

"It's not a big deal for outsiders to see, besides..."

Looking at Gan Hui, Shi Yiwen smiled.

"Since you have followed me, you will have to master a ship or even a fleet by yourself in the future. You must learn the art of sailing. Otherwise, how do you go to sea? How do you convince the public? Not only do you have to learn these, but you also need to learn Learn how to draw nautical charts, oh yes, we are still looking for some children who can read and write, let them learn navigation skills on board, yes, and gun skills..."

Pointing at the cannon on the ship, Shi Yiwen laughed.

"Why Hongmao Fan is good at guns, to put it bluntly, even if someone teaches them, our people should learn this too. Just having a boat is not enough. Come, let me teach you!"

While joking, Shi Yiwen gave Gan Hui the sextant.

"Grand, son..."

The moment Gan Hui took over the sextant, there was only one thought left in Gan Hui's mind - to swear to die for his confidant, the trust of the young master alone is enough for him to repay...

(End of this chapter)