readx; Since it has been developed, it is not certain whether the technology is mature, so Xia Jun thought about it, that is, he approved the research and development of the composite supercharged engine, but did not give much money, but let the research and development team carry out the initial research first. Pen % fun % Pavilion www.biquge.info

After all, it is not certain whether the exhaust gas turbine engine studied at this time is mature, and whether it meets the practical requirements in terms of heat dissipation and wear resistance.

After all, the environment in the laboratory is not the same as the environment in which the plane flies in the sky, and the first supercharged aircraft in the United States often caught fire.

Therefore, Xia Jun means that he wants to test the exhaust gas turbine engine, and then wait for the technology to be perfected before developing the composite engine supercharging technology.

Time is still very abundant, and the empire does not need to be in a hurry to equip the composite supercharged engine, which is only a research and development required by military technical reserves.

Xia Jun opened the exchange platform at this time and found that after Zhou Chunhai developed the exhaust gas turbocharging technology, the exchange price of this technology was reduced from the original level of up to one billion points to 100 million points, and the exchange price fell by 90%, which is obviously very powerful.

However, in terms of compound supercharging technology, this is a very distant technology, and its exchange price is as high as 5 billion points, if you want to make its exchange price drop, it depends on your own research, if you research half of it, it may only need half of the points to redeem.

From the exchange price of the exchange platform, the current exhaust gas turbocharging technology is still not perfect.

Therefore, Xia Jun did not hesitate to exchange for the complete exhaust gas turbocharging technology, and then sent it to the engine turbocharging technology research group, so that the research team could continue to improve the exhaust gas turbocharging technology.

After receiving the information sent by Xia Jun, Zhou Chunhai found that the exhaust gas turbocharging technology at this time was indeed imperfect, and the main problem was the bearing.

Although the bearings at this time were manufactured with high-temperature and wear-resistant alloys, they did not use full floating bearings, which was a technical problem, not an alloy problem.

If the full floating bearing is adopted, the service life of the bearing is greatly increased, which solves the problem that the current bearings made of alloys are still not durable enough.

In terms of coolant, it is more mature, which is consistent with the information conveyed above.

The engine supercharging research team then studied the bearings and planned to adopt full floating bearings to solve the problem that the bearings were still not durable enough. However, the full floating bearing is a new technology, and it still needs to be tackled, but the technical difficulty is not great, because it is drawn on the drawings.

The first in history to use pressurization technology was the American B-29 strategic bomber, which dropped two atomic bombs on Yuben, and initially the B-29 was extremely vulnerable to fire because of the supercharged engine.

At this time, China's research on supercharging technology on engines had reached the level of the late forties and early fifties.

At this time, the engine research institute is also vigorously researching air-cooled engines, which are strong, lightweight, reliable, and have great development potential, and have a tendency to replace water-cooled engines in the future.

In terms of aero engines, China's engine power has reached 630kW at this time, and the unique technology of spraying a mixture of water and methanol into the engine cylinder can increase the power by one-third in a short time.

At the same time, the 'high octane number fuel' has been developed one after another, which improves the anti-knock surname of the fuel, so that the pre-combustion pressure in the cylinder gradually increases from 2~3 to 5~6, or even 8~9, which not only improves the liter power, but also reduces the fuel consumption rate.

The cooled exhaust valve filled with sodium metal solves the problem of overheating of the exhaust valve.

In addition to the full floating bearing, there is also a charge air recooling technology that is not yet complete in the exhaust gas turbocharging technology, which is really perfect after the emergence of this technology, which can completely solve the problem of overheating of the supercharger.

The Engine Research Institute is working with Air Force researchers to design a variable-pitch propeller to provide propeller efficiency as well as engine power.

The empire's development of engines and aviation technology is moving forward at a pace that no other country can match, and China's profits in aircraft manufacturing have also provided a lot of money for research, making China's aircraft a world leader.

China's aircraft are not only in the leading position in the world, but also a complete range of aircraft types, civil aircraft are developing rapidly, passenger aircraft, transport aircraft, agricultural aircraft, training aircraft and other aircraft China has achieved the most leading position.

In the aftermath of World War I, aircraft manufacturers will face a serious survival problem, because the war is no longer going on, and manufacturers have no choice but to stop production.

Switching from military to civilian is the only way out, and China's aircraft industry has initially begun to try to develop into the civilian field.

But now there is still a war, and military orders cannot be made, so it has not spent much effort to develop civilian aircraft, but has only initially tested the waters, allowing Chinese aircraft to occupy the commanding heights first.

The most advanced civil aircraft that people know today are made in China, and as long as China continues to maintain its leading technology, it will be able to occupy most of the market.

Although China's high-end talents are still very scarce at this time, a lot of things have been made in the direction provided by Xia Jun for research and development.

Many things are actually not difficult, but people can't imagine that when a high-tech thing comes out, other countries see the direction of technology, and then they can study the same technology.

In terms of technology research and development, the Air Force has begun to carry out research on breaking through the speed of sound, that is, jet aircraft, in addition to the difference between the engine and the propeller aircraft, the main difference is the swept wing technology, but with the current scientific and technological strength, it is not easy to make a jet aircraft, just start research in advance, and slowly accumulate experience.

Both the Imperial Army and Air Force were now intensifying their armaments, mainly facing a war with Russia and the Soviet Union in the next few years, a war without external intervention, and therefore with little diplomatic pressure.

In addition to continuing to strengthen the construction of the three major military regions in the north, the army is stepping up training to adapt to the severe cold climate. The airfields of the Air Force have also been repaired, and the planes are gradually being put in place.

The Empire has been negotiating with the Russian Provisional Axe for several months, and the Russian Provisional Axe is very clumsy diplomatically, but the Empire has also played with the Russian Provisional Axe, and there has been no progress for several months, but the top of the Empire is not in a hurry, but always pays attention to the development of the situation within Russia.

On 1 July, the Russian Provisional Axe ventured into an attack on the German Empire and the Austro-Hungarian Empire in an attempt to annihilate the revolution by war.

The revolution within Russia was largely the result of the constant defeats of the Tsarist army at the front, and if it had been able to achieve an exciting victory at the front, the revolution would have ceased.

However, this adventurous attack of the Russian Provisional Political Axe was a crushing failure, and the Russian army lost 60,000 men in ten days.

Facts have proved that Russia's combat effectiveness is actually not strong, especially in the war outside the country, especially after the revolution at home, the combat deployment of the Tsarist Russian army on the front line has been completely disrupted, and at this time, the adventurous offensive is basically crashing into the iron plate that the Allied coalition forces have already prepared.

As a result, 60,000 men were lost in ten days, which was expected by the upper echelons of the empire.

When the news of the defeat at the front reached the Russian capital, the workers-soldiers were in high spirits. On July 16, 1917, the workers and soldiers of Petrograd and other revolutionary masses took to the streets, instigated by the Russians, to hold demonstrations demanding the return of all power to the Soviets. The Provisional Political Axe sent troops to suppress it, killing and wounding more than 600 workers, in what became known as the July Bloodshed.

The bloodshed of July meant that Russia was about to enter the process of the October Revolution.

In order to seize power, Lenin immediately promised the Chinese Empire that as long as it obtained Russian power, all unequal treaties between China and Russia would be abolished immediately, but on the indemnity of up to 3 billion yuan, Lenin chose to remain silent, and this thing could not be agreed to casually.

I don't know how to do it, the news leaked to the Provisional Political Axe, and the Russian Provisional Political Axe suddenly panicked, if the Chinese Empire supported the workers' revolution in Russia, then it would be very bad news for the Provisional Political Axe.

The Russian Provisional Government then decided to agree to annul all unequal treaties between China and Russia, but only on the condition that China give up its claim for three billion yuan of Funais.

Now the Chinese Empire is not happy, and the claim of 3 billion yuan is the bottom line and cannot be changed.

It is not unacceptable for the Russian Provisional Axe to annul the unequal treaty between China and Russia, but the three billion yuan claim is absolutely unacceptable, which is also the bottom line, if this demand is agreed, then the Provisional Axe will be spurned by the angry Russian nationalist people, and the main support force of the Provisional Axe is these nationalist-minded groups and the Russian capitalists.

The negotiations are continuing, and the Russian political axe does not want to see the negotiations break down, and once the negotiations break down, then China may take military action in the Far East, and the power of the Russian provisional political axe in the Far East is still very weak at this time, in such a situation, the best way is to delay.

On the Chinese side, Xia Jun is also dragging his feet, waiting for the outbreak of the October Revolution, and as soon as the October Revolution breaks out, it is completely impossible for the Russian Provisional Political Axe to bargain with the Chinese Empire.

Therefore, both sides are dragging on, and the negotiation is three days of fishing and two days of drying nets, during which they eat, drink, and have fun, and both sides are aware of each other's intentions, but they are not broken.

The two sides dragged on until the autumn harvest arrived.

The autumn harvest has begun, and all parts of the country have begun to get busy, and the fishermen along the coast have also gone to sea with large fishing boats after nearly half a year of fishing moratorium.

The annual inshore fishing is the happiest time for coastal fishermen.

At this time, many fishermen have changed jobs, and the remaining fishermen are fishermen who have changed large boats, and the productivity of these fishermen has increased dozens of times immediately after the replacement of fishing tools.

(To be continued)