After talking about the hull, the next step is the engine. For civilian ships, it doesn’t matter if the speed is slower. There is no rush anyway. The key is to save fuel! What you save is what you earn.

"Just use ordinary marine diesel engines." Andreas said: "We have purchased three batches of liquefied gas ships from you, and the engines used on them are very good. We have confidence in your engines!"

"Do you want to use a brand new power system?" Qin Tao asked.

A brand-new power system? Andreas frowned. For them, they really don’t want to innovate. Stability is the best. Look at the Kimchi Country. In pursuit of innovation, didn’t they overturn in the end?

What brand new power system can Dongfang have?

In addition to diesel engines, there are also gas turbines. Does the other party want us to use gas turbines? That thing burns too much oil!

"Ro-Ro ships are a special kind of ship. You won't put anything on the top deck, and it would be a waste to leave it empty." Qin Tao said: "We have a design here that can install 4,000 square meters of solar energy on the deck.

The battery panels can provide 5,000 kilowatt-hours of electricity per day under good lighting conditions. This electricity can not only satisfy the lighting inside the cargo hold, but also provide forward power for the ship, making our ship more environmentally friendly."

Mingzhou Group is serious about environmental protection, they want to build solar-powered cargo ships!

This is not surprising. As the slogan of environmental protection becomes more and more popular, many cargo ships have begun to use solar energy. However, generally speaking, the solar energy of cargo ships is used to supply lighting and air conditioning systems, and there is no direct drive for ships.

After all, it takes a lot of solar energy to drive a ship.

The deck area of ​​075 is 7,800 square meters. If it is converted into the shape of this ro-ro ship, some deck area will be wasted. Qin Tao calculated that it is good to be able to install 4,000 square meters of solar energy. In this way, the power generation power will be

It is enough to drive the ship forward, or provide part of the electricity, and then use the ship's own power to provide the other part. If you really don't pursue speed, then use solar energy to sail slowly.

In later generations, the 60,000-ton ro-ro ship "Auriga Leader" manufactured by the island country used this method and installed a large number of solar panels to drive the ship forward and reduce the ship's fuel consumption.

"According to our calculations, even if there is only four hours of sunlight a day, ten tons of fuel consumption can be reduced. If a voyage takes forty days, it can save four hundred tons of fuel consumption. If used in low latitudes,

You will save more fuel." Qin Tao said: "It not only protects the environment, but also reduces transportation costs. It is your best choice. It depends on whether you are willing to be the first to eat crabs."

In the past, ships only used solar energy for lighting and air conditioning, not for driving. This is of course because the previous ships were directly driven by engines. If it was a low-speed diesel engine, it did not even use a reducer, and directly used the engine through the transmission shaft.

To drive the propeller and reverse the vehicle, the engine can be reversed.

In this case, even if electricity is generated, no power will be used.

If you want to use solar energy to drive it, it means modifying the power system. The engine drives the motor to generate electricity, and the generated electricity drives the tail motor. In this way, the solar power can be connected. This is called a ship-wide integrated power system.

.

Mingzhou Group already has a civilian version of this system.

"How much more will it cost to renovate like this?"

"Not much, we can definitely get it done with thirty million dollars."

Andreas shook his head like a rattle in an instant: "Forget it, it will take hundreds of thousands of tons of oil to replace it, it's not worth it."

The cost of this thing needs to be calculated. After installing this kind of system, you can save fuel, but you also have to see how much fuel is saved and whether the two sides are directly proportional. This is the same as electric cars. People who like them shout out to themselves every day.

It only costs a few cents per kilometer, even if you spend tens of thousands more when buying the car. These tens of thousands of dollars can burn fuel for several years. When a few years pass and the battery performance declines, what kind of expense will it be.

Qin Tao wants to trick the other party into using this special system, and the other party also has to calculate the cost. A simple calculation will tell that it is not cost-effective, so why use it? Wouldn't it be better if we just burn oil directly?

"The temporary investment is a bit high, but solar energy is an environmentally friendly energy source. Using solar energy can reduce tail gas emissions. We only have one earth, and we must take care of our own earth."

Andreas looked at Qin Tao with a meaningful look: "Mr. Qin, let's talk about something practical."

Qin Tao was a little helpless. His promotion was not successful, and the other party was unmoved. Don't you Europeans shout environmental protection slogans every day? It seems that they are still for ordinary people. To these capitalists,

They don’t care about bullshit environmental protection, they only care about their own interests.

All right.

"Let's go on to talk about the most important system on this kind of ship." Qin Tao said: "Ro-ro ships are a special kind of ship. They are very particular about loading and unloading. If the balance cannot be maintained, it may cause the ship to capsize.

."

This is just like a viaduct. Many viaducts are single-column, so the cost is low. Then, several heavy trucks occupy one of the lanes side by side, driving rumblingly, and then suddenly there is a click, and the world spins. The single-column viaduct

The bridge deck turned into a seesaw and was crushed over!

The loading of oil tankers, bulk carriers, natural gas ships, etc. is all balanced loading. For those flowing liquids or solids, it is impossible to be particularly biased.

However, this is not necessarily the case for ro-ro ships. Ro-ro ships are used to carry vehicles. If one side is loaded with cars and the other side is loaded with SUVs, the center of gravity will definitely shift to one side. When it reaches the sea, it may overturn when encountering wind and waves.

Therefore, you must be careful when loading and unloading cargo on ro-ro ships, and you must also pay attention when sailing out to sea.

This chapter is not finished yet, please click on the next page to continue reading the exciting content! So, is there a way to solve this problem?

Now that Mingzhou Group has taken action, of course it has a solution to the problem!

"We will develop a special system that can monitor the loading status of the ship at all times and determine the deviation of the ship's center of gravity. If it exceeds too much, it will also alarm."

This monitoring system is not difficult. For ships, it is enough to monitor the draft of the ship. Different ship sides have different draft conditions, so it can be monitored naturally. Sensors can also be set up on the deck to detect even a slight inclination.

The upper deck will also maximize the tilt. It can also be the top mast, with a level gauge installed on it, etc., which can be monitored. Modern technical conditions are not difficult to solve this problem.

With this system, loading and unloading of ro-ro ships will be much safer!

"At the same time, we will spray paint from the aircraft carrier deck to the deck to maximize the friction coefficient of the deck. At the same time, we will also transplant the rigging devices. After each vehicle is placed on the deck, if necessary,

It can be fixed quickly. In this way, if it reaches high sea conditions, it can reduce the possibility of vehicle movement and ensure safety."

Ro-ro ships are used to load cars. The cars are on the ground and can be fixed directly with the handbrake, but what about on the ship?

The ship is shaking. If the swing is too large, the car may slide on it, which will have a more terrible reaction: the ship will tilt to one side, and all the cars loaded on it will also tilt to this side, and then

Just Barbie Q.

When the cars are transported by road, each one will be tied tightly to the car, but if they are tied one by one on the ship, it will be a huge amount of labor, which is not something ordinary crew members can bear.

8,500 vehicles, each with four wheels, fixed four times. How many times does it take a dozen or even a hundred crew members on a ship to do this?

This kind of ship designed by Mingzhou Group will spray aircraft carrier deck paint on the deck. This paint has a high friction coefficient and can keep the car firmly in place. It can be tied up when needed, or it can be loaded onto the ship first.

, bundle them one by one slowly to save time.

In short, aircraft carrier technology must be used.

"In addition to these, we will also use a complex fully automatic counterweight system on the ship." Qin Tao continued to introduce, which made Andreas's eyes widen and he could only listen.

It can't be turned around at all.

Fully automatic counterweight system?

"At the bottom of the cabin, we will design a dual-track system. A 22-ton counterweight trolley will move on this track under computer control to dynamically offset the change in the ship's center of gravity. At the same time, when it reaches the sea, it will also

It counteracts the rolling and pitching caused by the beating of waves, making the ship run more smoothly."

It sounds very grand, but in fact, this is a common anti-roll system on warships, almost a replica of the Charles de Gaulle.

The displacement of the Charles de Gaulle is only 40,000 tons. In order to increase the number of aircraft loaded, the deck area is very large and there is a lot of external drift, which makes the warship sail unstable. In order to allow the Charles de Gaulle to have sufficient stability in high sea conditions.

For the take-off and landing operations of carrier-based aircraft, they carefully designed the anti-roll system.

In addition to the active stabilizer fins, there is also a complex fully automatic anti-roll system, which uses the principle mentioned by Qin Tao. Even though the car is only 22 tons, it can fully meet the needs of stabilizing the warship with four or two pounds of weight.

Here, of course, ro-ro ships can also be stabilized.

Other ships don't use it, they just sway. If this ro-ro ship sways too much, something big might happen. Therefore, a lot of means are needed. Ordinary shipyards don't dare to do it. It's because they don't have these technologies. Mingzhou Group

They build aircraft carriers. If they take the equipment from the aircraft carrier and put it on civilian ships, the effect will naturally be the same.

At this time, when talking about these things, they were all high-end things. Andreas's eyes almost popped out when he heard them. Their group focused on the ro-ro ship business, and they thought they were the most familiar with ro-ro ships.

As a shipper, I didn’t expect that everything I heard from Mr. Qin was all new and unheard of!

Mr. Qin is so awesome!

"Mr. Qin, we should have come to you for help a long time ago. Although you have never built a ro-ro ship, you have built countless aircraft carriers. Your experience is the richest. We believe in your ability. By the way, such a ship

How much does a ro-ro ship cost?”

"Three hundred million U.S. dollars." Qin Tao said.

Three hundred million!

Andreas's eyes popped out of his head: "Mr. Qin, why is it so expensive? It's more expensive than a liquefied gas ship!"

The tonnage of the liquefied gas ship is larger, and the liquefied gas ship also needs to use expensive invar steel. Just like this, it only costs more than 200 million US dollars to build one. What about this ro-ro ship? The tonnage is only half of the liquefied gas ship, and it is not needed.

Why does expensive Yinwa steel cost so much?

"Yes, the technical content of a ro-ro ship is not lower than that of a liquefied gas ship. Although it does not require invar steel, it does need high-strength steel for the construction of an aircraft carrier." Qin Tao explained: "We designed 15 layers

In order to reduce the weight and center of gravity of the deck, the upper five decks need to use high-strength steel such as aircraft carrier deck steel. Everyone, can you calculate how much this steel alone costs?"

Aircraft carrier deck steel is a special kind of steel that can withstand the huge impact of carrier-based aircraft landing, and it must be thin. If it is thicker, the deck will be too heavy and the center of gravity will shift upward, making the aircraft carrier unstable.

The countries in the world that can produce aircraft carrier deck steel can be counted on one hand. Only these countries can build modern aircraft carriers, and only these countries can build modern ro-ro ships!

The ro-ro ship has fifteen decks. The lower layers can be made of ordinary steel. It doesn’t matter if it is thicker. It is even better to be thicker. This way, the bottom deck is heavy and it is stable to drive, but the upper deck must be light. The lighter the better, aircraft carrier deck steel

is the most suitable!

This chapter is not over yet, please click on the next page to continue reading! Even if only five layers of this kind of steel are used, the price is astronomical! These five layers are worth 100 million! Of course, the 100 million is not the cost, but the purchase price, don’t believe it

If so, you can ask Asan how much they spend on purchasing aircraft carrier deck steel.

"At the same time, a lot of advanced technologies are used in this. I have just introduced it to you. Those technologies are all used on modern aircraft carriers. The price is not low in the first place. These new technologies are worth 100 million. You

What do you say?"
To be continued...