Lin Yueru and Xiao Niangpi both clamored to do the experiment, but Yang Fan refused.
Are you kidding me? There is danger in the ship trial. If it capsizes, these two landlubbers will definitely have to go down to save it. The river water in this season and the temperature make me tremble just thinking about it.
But he couldn't stand their coquettish behavior, so he had to let them get on the boat.
Yang Fan was sitting on a grand master's chair in the middle of the boat. Lin Yueru and Tu Shanyue were vindictive. They squeezed in half a butt each other, squeezing Yang Fan to the limit. He looked around and neither of them had any intention of getting up. He sighed and had no choice but to That’s it.
"Master, how do we go?" Mo Zui asked as helmsman.
Yang Fan decided to sail downstream first. Zhang Luda and Donkey Dan were on the left and right, and Mo Desi had the strongest strength at the back. At the front are two strong soldiers.
"Start downstream." Yang Fan ordered.
Five bicycles drive five small propellers to spin rapidly.
The boat swayed a little crookedly, leaving the river bank and heading towards the middle of the river.
"Slow down, slow down for me. What about you, Donkey Dan? Pay attention to your coordination, slow down first and then go fast." Yang Fan said loudly.
The boat began to move forward at a slow speed, and the five people tried to match the speed of others. This power distribution arrangement will cause a turn if one side is faster. Even spinning in the middle of the river.
However, the five people soon mastered the technique. This human-powered device is really easy to use. It is much faster than rowing and is not tiring.
After all, stepping with your feet and using your arms are not the same concept at all.
The boat flew along the current like an arrow. The bow of the boat stirred up splashing waves, which wet everyone's clothes.
Mei Xiang was so frightened that she started screaming.
However, Lin Yueru and Xiao Niangpi were very excited, their faces flushed with excitement, and they kept shouting, "Hurry up, hurry up."
This speed has exceeded the fastest horse speed.
"Master, you are so great, I like you so much." Lin Yueru's eyes were filled with little stars. He hugged Yang Fan and kissed him hard on the left cheek.
The angry little girl gave her a dissatisfied look.
Although Yang Fan and Lin Yueru had a crush on each other before getting married, it was not like they were in a serious relationship with their little girl. They are typical of getting married first and falling in love later.
Judging from the current situation, Yang Fan and Lin Yueru are getting along well, and their relationship is warming up day by day. After all, if you play poker every day, you will develop feelings if you don't have feelings over time.
From Lin Yueru's point of view, since marrying into the Yang family, the food, use, and enjoyment she has never seen in her life. Girls can become corrupted very quickly.
Now she feels that she can no longer live like this in the Yang family.
I also began to have a little admiration for Yang Fan in my heart.
Yang Fan is so amazing that he can actually invent such a powerful method of propulsion.
Students in an academy's navigation class used wooden blocks to measure speed. Running back and forth on the boat.
"Master, the maximum speed is fifteen knots." He looked at the data table carefully, "This should be the maximum speed that can be achieved without load in the downstream."
Yang Fan nodded. There were many people on this small boat. Although there was no cargo, it was still very impressive to run along the current at this speed.
"Turn around and go back."
"Here"
The two people on the left immediately slowed down and the boat turned around smoothly.
Once you turn around, you are swimming against the current.
The speed suddenly dropped and the boat stopped for a moment. Then as the five people exerted their strength, they began to slowly move upstream.
This proves that this kind of human power is feasible to travel up the river while carrying passengers.
"Speed up and see how many knots you can run," Yang Fan ordered.
"Here!"
The five people gradually accelerated, and the boat became faster and faster. After a while, the speed reached five knots. Several people pedaled desperately, increasing their strength to the limit. The speed of the boat reached seven point five knots and then it could not get on.
After a short while, five people were replaced to replace the exhausted Donkey Dan and the others, and they continued to drive back. In the end, Yang Fan found that stabilizing at five knots was the most suitable.
"Sir, this ship is narrow and has low resistance, so it is fast. If the length-to-width ratio is three to one, the estimated speed of a cannon ship is only three knots." Song Yingxing said.
Hearing that Yang Fan was going to experiment with a new method of ship propulsion, Song Yingxing rushed over anxiously. He has an obsessive love for all science and technology.
"It's enough to reach three knots. That's one hour and 5.5 kilometers. There is a five-hundred-mile waterway from here to Bashang Grassland. It is estimated that it will take four days and four nights. The return trip down the river is estimated to take two days or even one day. That's it." Yang Fan was already very satisfied. With this speed in this era, he could completely consolidate the territory outside the Great Wall.
Everyone went up to try it one after another, and enjoyed it to the fullest.
In the evening, Yang Fan took his wives back to the big tent, all sweating from exhaustion.
Looking at the cat-leg bathtub that had been installed, Yang Fan decided to take a bath.
Yang Fan discovered that the most prodigal was not his wives, but his Yao Guang.
What a spendthrift, the cat-legged bathtub is so expensive.
Behind the big tent, on the floor to the east is a large bed made of birch wood. After all, there are many people, so the small bed will be too crowded. Didn't sleep well.
A large cat-legged bathtub is installed on the west side, which is a modern product transmitted from Yaoguang. It can be used by five or six people.
The bathtub and bed are separated by a gauze screen.
Yang Fan was lying on the big birch bed, just in time to watch Hibiscus emerge from the water through the gauze screen.
In order to fill the bathtub with enough hot water, several rows of solar water heaters are used outside.
At this time, Yang Fan was taking a hot bath with his wives.
There was also a plastic big yellow duck floating on the water, which was being pushed around by Lin Yueru. This was the first time Lin Yueru saw such a cute duck.
The little girl's thoughts were overflowing. have a good time.
She has been hiding from time to time since she was a child. She has been wandering around in her childhood. She lacks a childhood that others have.
Therefore, marrying Yang Fan, a warm man, made up for the shortcoming in her heart.
There is also a model of a clipper ship with a double-decker gun store floating on the water. Yang Fanzheng and Xiao Niangpi carefully explained the various functions of this boat.
This ship is the next warship to be built by Beitangkou Shipyard. A sailing battleship with a displacement of about 900 tons and a double-decker gun store.
There are twenty cannons on each side, and a revolving heavy cannon at the head and tail, for a total of forty-two cannons.
This firepower is enough to crush the Dutch, Spanish, Portuguese, British and French warships in India.
The speed is more than doubled.
For seaworthiness and stability, the length-to-width ratio of the ship was enlarged to six to one, making it look thicker and fatter. The speed is around thirteen knots. It was twice as large as Western warships of this era. The artillery was cast using open-hearth steel from the Xinghe Iron Works.
The weight is much lighter than the bronze cannon because the steel is of better quality and the tube wall is thinner, so it can be cast larger.
Yang Fan's gunpowder is better. The maroon powder burns stably and has good linearity. The barrel is stronger and can be loaded with more gunpowder.
Yang Fan increased the diameter to thirty-six times.
In other words, the length of the barrel is thirty-six times the caliber, which is already a very powerful level.
Cannons used by the navy, the larger the diameter, the farther the range.
Lin Yueru played with the duck for a while and then came closer. Look at Yang Fan’s battleship model.
Yang Fan hugged Xiao Niangpi with one hand and Lin Yueru with the other, and said: "After we got married, we haven't gone on vacation yet. When this boat is built, I will take you to Jeju Island for vacation. There will be a castle overlooking the sea and built inside." Another big villa.”
Xiao Niangpi and Lin Yueru became happy when they heard that their husband was taking them out to play.
Yang Fan looked at his battleship model, pushed it with his hand, and watched it rippling on the water. Thinking of the king crab and abalone porridge in Jeju Island, he couldn't help but swallow his saliva.
well! I really want to try it one day.
