"Changed to a fully enclosed dry dock?" Zhang Lan was stunned. Why? ”

In terms of construction and use costs, "in the world, the construction of dry docks with ships of more than 10,000 tons" is basically "exposed", "basically no responsibility to use the habits and traditions of closed docks", there is basically only one reason, "the cost of building a small closed dry dock" is too huge!

Because of its large structure, "the cost of closing the entire closed dock" is higher than the cost of the dock", which means that "the cost of building a closed dry dock" can be used to build two "dew" dry docks of the same size".

But... Military things "have always put secrecy and reliability in the first place," and as for cost, "although it is also a very important link," but for the military of any country," this thing really is not a matter that needs to be considered in the first place," you don't see Japan's phantom tank, "the cost of which is the highest among all the main battle tanks in the world," and the purchase price of the phantom tank reached a staggering $40,000 last year...... Of course, "this is more in the consideration of supporting the industry."

So after being slightly stunned, "Thinking of secrecy and the tradition of the republic's consistent appearance of military equipment", Zhang Lan immediately understood: "Oh, do you want to drop these two items for secrecy?" ”

Su Shujun breathed a sigh of relief in his heart, "Before catching this request," he was actually quite apprehensive in his heart, and was a little worried about whether his request could be rejected by Zhang Lan without face, "But after getting Zhang Lan's answer, "General Su is relieved" This is already the best result he could have expected, so he nodded with a smile, "Well" That's right, "The chiefs meant" is before the two ships are officially launched." Blocking all news about these two ships as much as possible so as not to cause unnecessary panic in the international community, "and also reduce some diplomatic pressure on our country...... According to the progress of your project, "when do you think" these two ships will be completed and delivered for sea trials? ”

Obviously, General Su must pay attention to this matter in his heart, and even replaced the two aircraft carriers with "two ships" in his words.

"It's... Quite right. Zhang Lan thought about it, and praised General Su's plot in his heart, but "during the period between the construction of these two ships and the official commissioning", those small countries that shouted "China threat theory" all day long may not know how to toss again, "building a closed dock" can always reduce the chance of being discovered by voyeurs.

"Okay" The whole construction process is about a little more than a year, "This is not a problem", Zhang Lan waved his hand, he didn't think this was a big problem, he felt that he was almost convinced, "thought about it" and nodded, "Make it a closed dock", in principle, there is no problem with this, "but there is a little" How to calculate the cost of this piece? ”

As everyone knows, when General Su heard Zhang Lan say that they would only need more than a year to complete the construction of a large aircraft carrier with a full load displacement of 10,000 tons, "one mouth has already been opened." Type!

The conscience of heaven and earth" General Su was really frightened, "the construction period of an American aircraft carrier is probably less than two and a half years", which is still a speed that the Americans can only achieve after using the concept of modular construction.

And it takes almost two years for the Republic to build a destroyer, "just this" is already the fastest shipbuilding speed in the Republic, "but now" Zhang Lan actually said that they can only build and complete an aircraft carrier in a little more than a year!

This construction cycle is "the pride of the Americans", and the top shipbuilders of the Republic "have always bowed down at this speed", but now? Zhang Lan actually said lightly that there was no pressure to exceed this speed, "How can this make General Su embarrassed?" I only felt that Zhang Lan's words were like a slap in the face, and the "hot pain on my face" for a while, I even forgot about the cost calculation that Zhang Lan said.

After a long time, General Su came back to his senses, and coughed twice to hide his shock just now...... This little "Chiefs' Meaning" hopes that the cost of this construction will be borne by both of us. ”

"Co-responsibility?" Zhang Lan frowned, "This is not good", according to Zhang Lan's thoughts, "He hopes that the military will pay for everything...... Fully enclosed modules for two docks" can be quite expensive. ,

"We can afford the cost of the ship." General Su nodded, "added", "After all, this dock belongs to you," and we can't say that we have too much money. ”

Zhang Lan's brows suddenly wrinkled even tighter: his previous understanding was that the cost was half of the cost of two families and one family, but what does it mean now? Want to take on the lion's share yourself? This is absolutely not a no-go! And when General Su's words, "Zhang Lan also recognized the division", he seriously corrected the meaning of General Su's words, "General Su" with all due respect, "That's not what I said", if it weren't for your request, "we wouldn't have to build such two closed docks at all", for us, "the traditional 'dew' dry dock is actually better", if it weren't for your insistence..."

"Half a family." General Su, who had dealt with Zhang Lan several times, "Hearing that Zhang Lan seems to have the potential of Tang Seng now," he immediately said busily.

He knows how well this kid nags well" and has been taught several times, "but" this kid is the kind of horn "color" that he can't afford to provoke", in this case, "if you don't want to be nagged by this kid", then you can only be prepared for some blood.

"No," you're out of sixty percent. ”

"Deal! ，’

General Su was suddenly overjoyed in his heart, he was able to let this kid pay forty percent of his own money, "to be honest", it was really a bit unexpected for him, "according to the instructions of the leaders before coming", the military was even ready to hemorrhage... There is no way, "Who makes it possible for the whole of China to engage in this thing now, only Alice Group" can only pay sixty percent, it is really a surprise.

Of course, Zhang Lan knew that the price he proposed had not reached the bottom line of the military at all, "in a sense", it seems that he has suffered a loss, but it is not in time for such small details, "Zhang Lan doesn't care", General Su stretched out his hand when he smiled, "So...... Happy to work with. ”

"Happy working together! ，’

The two hands were clasped tightly together.

The two chatted for a while, "hesitated", General Su tentatively asked Zhang Lan, "Zhang Lan, is it possible to sell your nuclear fuel cell technology?" ”

"Huh?" Zhang Lan didn't expect that the leaders above would be so radical, "they actually aimed at their own fuel cell power system" and just wanted to refuse, but Zhang Lan's heart suddenly moved slightly: This is a good opportunity. Thinking so in his heart, Zhang Lan hesitated, "It's impossible to sell technology," but if it's a product, "It's not that it's not negotiable." ”

"What?!"

General Su suddenly felt that the blood in his whole body was constantly surging towards his brain, and the "temple" of the sun was jumping suddenly, and there was a burst of blackened Si Shi in front of him, but a ball of Venus was constantly "chaotic"!

The question he asked just now, "Actually, it was just him tentatively asking", he didn't expect to get a positive reply from Zhang Lan at all...... When the leaders above assigned him a task, "in fact, they just wanted to find out the tone of the Alice Group."

But what General Su never expected was that "the first time I asked this question" would get such a positive response!

And the fuel cell power system, "I don't know how many countries in the world are red-eyed and eager to draw a knife to grab the treasure thing" Alice Group is really willing to sell? They used to cover it tightly, "No one else can take a look at it."

General Su suddenly had a feeling of unreality.

"Sell it to me! Be sure to buy me! General Su, who finally eased up a little from the extreme excitement, "held Zhang Lan's hand tightly" and shouted with red eyes!

In fact, strictly speaking, "modern nuclear submarine" can be said to be a kind of technologically advanced steam turbine, "in terms of basic working principle", it can basically be explained in this way: the heat generated by the nuclear fission reaction "turns water into high-temperature and high-pressure steam", "high-temperature and high-pressure steam drives the steam turbine to operate", and drives the propeller to run through the transmission device, "structurally speaking", in fact, the role of the nuclear fission reactor is equivalent to the boiler necessary for the traditional steam turbine, "in the whole principle" The power of the nuclear submarine is basically equivalent to the traditional steam turbine working mode, the only thing that is not the same is that the "boiler" on the nuclear submarine is the nuclear reactor, and the fuel in this technologically advanced "boiler" is much more durable than the fuel used in the traditional coal-fired boiler and oil-fired boiler.

In principle, "there is no technical difficulty in the steam turbine of this new structure", of course, "from a practical technical point of view", "the difficulty is not ordinarily high", and the efficiency is not very high, and the efficiency of the nuclear reactor of a modern nuclear submarine is about 11%", and it is even slightly lower than the efficiency of the steam fire head in the mid-twentieth century.

In this way, "developing a more efficient nuclear power system" has become an important "naked" topic for the navies of major developed military countries, and there are two main research directions at present, "one is a high-power fuel cell power system", which is the so-called. The system "uses electricity from fuel cells to drive the propellers," and submarines with fuel cell power systems "can sneak below the surface for more than 20 days in a row."

At present, the main problem of fuel cell power is that "limited by the technical maturity and sophistication of the current fuel cell power system", the power cannot be very large, but the rest product is relatively large, "compared with the nuclear-powered submarines of the company", the speed and diving time cannot be compared:

On the other hand, "it is more radical", it is still A-4P power propulsion, but the fuel of the fuel cell is no longer the traditional hydrogen and other energy sources, but nuclear fuel. The fuel cell tether fueled by nuclear fissile material "can do a lot of power" and the propulsion efficiency is higher than that of traditional nuclear submarines! (To be continued.)