Tower Defense Strategy

"Tower Defense Strategy (!

On October 12, intense launches, docking, and equipment inspections were completed one after another. The last batch of personnel arrived, and the future space station entered a new phase.

All 21 humans and seven Homo sapiens robots are divided into two groups. Let's call them the metallurgical group and the alchemy group.

The metallurgical group is mainly responsible for the dismantling and smelting of the developer's asteroid 1, as well as the classification and reorganization of various resources.

The equipment used by the metallurgical team was added to the space station little by little after the death scepter was put into orbit. The production capacity is very poor, about five tons of steel can be produced a day. When you become more familiar with the vacuum processing system, it may gradually become zero. Gravity processing system production.

Regardless of the low production capacity, the cost of a whole series can even exceed all the equipment of a ten-million-ton metallurgical enterprise on the ground!

The alchemy team uses zero-gravity processing equipment to smelt some of the raw materials from the ground with a small capacity, and then pack them back to the surface.

The task of the metallurgical group is more complicated, and there are many problems that need to be solved by the world and the earth, but the focus at this moment is the alchemy group.

After a few months of small experiments on the old space station, country C has made breakthroughs in sodium batteries, which also received a lot of help from the West Central Continent scientific system.

The breakthrough was a sodium battery contact called a hexaploid by the earth ball. Early space experiments proved that this contact material can only be produced in a zero-gravity environment to meet the yield requirements for mass production.

The so-called hexaploid is a quantitative system formed earlier on the energy density contrast of the existing lithium battery system, which means that the energy density is more than doubled than the tetraploid and octoploid that have been mass-produced.

Ordinary people are not very sensitive and don't understand the meaning of hexaploid. In fact, the energy density per unit weight of this thing is already greater than the energy released by the explosion of the same weight of TNT!

Such high-density energy means that it can directly replace traditional liquid fuels when used on the ground, water, and water loaders, and even performs better after all-electricalization.

Once the mass production of hexaploid sodium batteries is achieved, Tuqiu’s entire crude oil-based system will be overturned. In the future, there is no need to send refined oil to various gas stations. Directly burning it at the processing point to generate electricity can bring more Big overall gains.

…Of course, the government cannot do things like burning refined oil for power generation. Only private individuals are willing to spend such a capital when they are eager to use electricity.

In short, except for aerospace fuels, most types of ordinary fuels can be withdrawn from history. On the one hand, it can reduce the equipment complexity of the petroleum processing system and improve production safety. On the other hand, it can also be used without increasing the extraction volume. , To improve the output of petrochemicals in the direction of other product categories.

Therefore, the work of the alchemy team has become a key project at this stage.

In addition to a few people and a few Homo sapiens robots in the space station, there are more than 40 research institutions and companies across national borders on the surface, and more than 3,000 scientists and engineers are ready to provide them with technical support.

On October 15, the first trial production of the alchemy team was completed.

One kilogram of contact alloy was packed with space station garbage and data disks together in a return capsule and thrown back into the atmosphere, and it fell on a designated aerospace target area in an autonomous region of country C.

One day later, the data returned from the surface showed that the contact sampling rate was 46.2%.

The yield rate is calculated by dividing the sample into one thousand parts and testing them one by one. The actual contacts will not be as large as one gram, and the yield rate will further increase as the division continues.

46.2% is actually much higher than the lowest yield rate that can be tolerated by cutting-edge materials.

But this is space production, and it is the first time for a space station in the future to feed back advanced materials to the surface. The input cost is so high that there is no way to calculate it in detail.

Even if the space station investment is not calculated, only the material cost itself, because the cost of the space shuttle and the return cabin in the Gobi recovery (requires troops to clear the field) is there, the cost per kilogram of good products is also more than 50,000 C, and the commercial price is at least per ton. It costs 60 million to 70 million!

The surface has slightly calculated the production cost and the estimated ex-factory price of the hexaploid sodium battery.

The weight of the contacts in the battery is very small. The 16-ploid laboratory version has a weight ratio of less than one thousandth, so the cost per ton is only tens of thousands of yuan, which is not much at a glance.

Counting the other costs of hexaploid, it is estimated that the price will not be four times that of tetraploid, and the cost of tetraploid, after more than half a year of production optimization, is already close to the level of lithium batteries in previous years.

Possesses high commercialization potential.

The next task of the alchemy team is to increase production capacity while ensuring that the yield rate is maintained at more than 40% as much as possible. After the daily output reaches one ton, it will consider improving the yield rate.

In a short period of time, the cost of the production of new materials has been reduced, and the money earned is not a profit at all. The project mainly serves the high-energy weapons program in the atmosphere.

So far, the electromagnetic weapons and laser weapons produced and sold around the world have lacked actual combat results. The best is that country C used it to fight a small monster that is about to die. In other regions, at most, it has only played small monsters. .

One of the biggest obstacles is the coordination problem caused by the battery car fleet, which further slows down the ground forces that cannot keep up with the speed of the monsters.

The energy density is an order of magnitude higher than the sixteen times body, allowing the electromagnetic tank system to achieve a complete evolution.

With the support of a sufficiently high energy density, the traditional fuel engine is not needed at all. The weight of the engine with a thousand horsepower in the tank is calculated by ton. After this part of the weight is changed to the electric motor, there will be surplus, plus the fuel tank, fuel, After the weight of the pipeline is fully electrified, the stored energy is far more than four times the current amount.

Such a change is sufficient to realize the actual combat effectiveness of a single tank.

This is just the first step of the high-energy weapon plan in the atmosphere, and the follow-up goal is to get high-energy weapons into the sky to adapt to the speed of the little monster.

This part of the hope is now borne by the old space station.

High-energy weapons go to the sky, requiring the aircraft to have a huge amount of power. On the other hand, when the weapons are not used in ordinary times, the weight of the power generation equipment or energy storage unit is not a useless load?

If there is a place for extra electricity in normal times, wouldn't the idea of ​​high-energy weapons go to heaven?

The alien octopus had already provided a copy of the plasma thruster data a few months ago, which has no effect except for the fine-tuning of the posture of the space station in the future.

But the project was not abandoned, because scientists all know that to achieve space travel and even colonization of distant galaxies, the high-power plasma thruster is a bottleneck that has to be broken.

In the case of insufficient material technology accumulation, finally figured out the key.

For example, can the plasma thruster principle be combined with the existing turbocharged jet engine?

In fact, referring to the game, you will find that many aircraft inside have their own nuclear-powered engines after they have fuel propulsion capabilities. Where is the electricity it generates?

The answer is obvious.

There is no need to be too demanding. As long as the final thrust can be increased by 10%, tons of fuel can be saved. On this basis, every additional bit of acceleration can further save fuel. After all, there will be a point that can balance the additional power generation. The weight burden of the engine.

But bragging is easy, and it is very difficult to actually build this kind of compound engine.

Relevant experiments were carried out on the old space station, and part of it was on the surface. In October, it was still at a very early stage. The theoretical verification was barely completed. The actual production of a full-size engine still has many technical difficulties. The material bottleneck is particularly problematic. .

Do you want to ask the aliens for help?

To be honest, the senior management of the scientific research system of Country C is a little afraid of the data in the hands of aliens. The result of over-reliance may destroy the existing scientific research system. Don't do it at all. In the race against the monster crisis, the disadvantage is too great.

After the meeting researched, it was decided to start from the design aspect.

At the beginning of November, the first full-scale prototype was trial-produced by "learning from" the in-game engine configuration plan.

The test thrust reached a maximum of 19.6 kN, which was a bit larger than the thrust of the heavy-duty twin-engine fighter engine used by country C.

Under this thrust, it is divided into two combustion sections, and the engine burns out after a total of 22 minutes of use.

The conclusion is very obvious, the materials are not good enough.

Even if the test run can take up to 100 minutes, the use of structural optimization, special coating, high-precision processing and other improvements can also meet the practical minimum requirements.

In 22 minutes, even one task cannot be guaranteed, and any improvement and optimization are meaningless.

There are two ways to go. Either seek help from the aliens or wait for the preliminary work of the metallurgical and alchemy teams of the future space station to be completed.

At this time, the metallurgical team has tried smelting three furnaces, limited by the size of the equipment sent to space, a total of less than 20 tons.

The actual operation once again proved some of the previous theories.

The same cast iron formula, smelted in space, has a significantly higher quality, and it can be concluded that the larger the cast iron, the more obvious the advantages of space smelting.

In terms of steel profiles (plates, angles, etc.), the effect of space smelting is not obvious. Considering that the quenching liquid is very difficult to handle in space, it is recommended to temporarily abandon this part of the research and wait until the lunar space station has production capacity.

According to the plan, the metallurgical team will also experiment with three steel formulations, four aluminum alloy formulations, and three titanium alloy formulations. Two of the titanium alloys are titanium aluminum alloys. Aluminum and titanium are provided by the ground. Only iron will Extracted from asteroids.

This month, the second set of vacuum processing equipment will be assembled on the future space station. The aluminum and titanium alloy experiments will be carried out in the new vacuum processing equipment. The existing metallurgical equipment will only be responsible for ironmaking and steelmaking.

It is expected that all metallurgical experiment plans will be completed in about forty days.

At the alchemy team, the production operation of 16-fold battery contacts has been transferred to Homo sapiens. The personnel are only responsible for working with the support team on the ground to study the use of existing equipment to improve the yield rate.

Their work is relatively smooth, and if nothing happens, half of them will soon be transferred from the alchemy group.

At the beginning of November, the surface once again ushered in a second-level little monster, a hypnotist.

The hypnotist appeared in the western waters of West Central Continent. The first thing that suffered was the freight route from West Central Continent to Dameizhou.

As usual, the hypnotist was timid and had almost no impact on the inland, but also because it always hid in the sea, the strength of the Xizhongzhou group was poor, and the coastal disasters were even greater.

Xizhongzhou’s military power is divided into two parts. One part is subordinate to the national armies of each country. Except for the fact that the F country has a relatively complete structure and the G country can draw out an army, the others are all waste.

The other part is about half of the members of the community, and the military forces of the North Western Ocean Pact established by country A and Ca.

Country A has a characteristic. As long as it pays a penny, the command must be handed over to Country A in wartime.

So in name West Central Continent is a community, but the military mobilization system is very chaotic, and there are many Virgin Marys. The military efficiency is really ugly under the control of various parties.

This scene lasted a week later when the westernmost Prt of West Central Continent was basically destroyed. When the hypnotist crossed the strait, he found an opportunity and left it to pieces.

Prt’s 10 million people donated almost 5 million, the entire system was completely paralyzed, and hundreds of thousands died next door. Countries F and G saw the opportunity to promote the Community Parliament and turn the original territory of Prt into a territory directly under the Community. When managing, there is no need to be separated by a national management.

The Prt survivors did not object either. Anyway, it was one of the five pigs who avoided the overall bankruptcy of the country by means of relinquishing accounts. Now that the capital is completely wiped out, the remaining people lack the confidence to relinquish accounts.

So far, with the exception of Jiang Ge, the handling of other Level 2 monsters is fairly appropriate, but the little monsters of Level 1 are popping up everywhere, and the overall damage and killing ratio to humans is increasing.

Including the western part of Heizhou, the southern beautiful continent, the surrounding island countries of Au, and the southern part of Central Continent, the disasters were all serious.

Before the end of the year, if the last level two monster can be dealt with and Jiang Ge is killed, the total human population loss this year can be controlled at around 150 million.

One hundred and fifty million is far less than the number of monsters slaughtered and the losses caused by secondary disasters. However, due to the collapse of infrastructure in the vast third world, there are more births, which balances some of the losses.

The reduction of 150 million people a year does not seem to be much, but even if similar combat efficiency and luck are maintained year after year, as the population base declines, part of the infrastructure and production capacity are destroyed, and the collapse will accelerate.

According to the predictions of relevant statistical agencies, with the current manufacturing capacity and manpower consumption, within five years, as the literacy rate decreases reversely, it will enter an accelerated shrinkage. At most eight years, humans will not be able to guarantee their elimination. Every monster close to densely populated areas, there will be more than 30 small monsters in the wild and in the sea for a long time.

After that, civilization will enter a period of collapse. In three to five years, the modern education system will face collapse, and then the entire system will be involved.

This forecast is a bit pessimistic, and the impact factors of Alien Technology are under-considered.

Country C, who holds Wang Zhan in his hand, believes that the timing is not yet ripe, and we have to wait until the guys who are filled with ideology in their minds can think about problems in the normal human way of thinking.

However, the safety of humanity should be prioritized above the threat of a small number of gangsters. Now, now, she is ready to play a card.

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