PS: The double monthly pass is coming, and I am cheeky to ask for a monthly pass......

Unlike the comet, a Japanese bastard, which is easily adopted and shines in performance, the Tianshan naval attack received by the Junkers company is much more troublesome and much more tiring to solve, first of all, the power of the original Japanese "protection" engine is not enough, and the physical lifting effect produced by BMW according to Japanese drawings is very weak, and the engine can only be considered, and the power of the BMW801 equivalent in Germany is almost the same level (more than 10 kilograms lighter, almost negligible), However, the stability and trouble-free time of BMW801 are much stronger than those of "protection", so BMW believes that "protection" has no future for this engine, and refuses to spend effort to study it again (now BMW has R-2800, Rong and other engines to study in addition to its own follow-up development plan, and there is really no energy), and although Mercedes-Benz has thrown out the olive branch of the DB series, Junkers' own Jumo213 series has not yet landed, and the overall aerodynamic structure of the aircraft with liquid-cooled engines should be greatly changed. In the end, it was decided to use BMW801D. Focusing on this premise, the Junkers side has two ideas for solving the take-off of the Tianshan Mountains: the first is water spraying, and the second is ejection.

By retrofitting the engine with the MW-50 water-methanol fuel injection acceleration system, the engine power was briefly increased by 200 hp during takeoff, which was enough to cope with departure - also thanks to the BMW 801 engine has a smaller cross-section than the "guard", although it is a little longer, but it is relatively easy to install with minor modifications, and the modification task after the air intake tunnel is not heavy.

As for the second road, it is another big pothole. The Tien Shan ship is a big guy weighing 5 tons after attacking and hanging bombs, which is a little heavier than the Ju-87C, and the corresponding aircraft carrier catapult Japan does not have. Germany did, but the structural strength of the Tien Shan was far inferior to that of the Ju-87, and each time it was ejected, it was careful not to cause irreparable damage to the body, and the Junkers company gave up decisively after several tests. It was only after coming into contact with this incident that the top brass of the German Navy understood why the fuselage of the American carrier-based aircraft always looked so clumsy, while the Japanese aircraft looked much lighter, and this was the secret.

With the advancement of the hair change. The second problem raised by the Japanese side was also solved: when the Tien Shan carried torpedoes, the pylons were very strange, not on the center line of the belly but 30 centimeters to the right, in order to avoid the oil cooler on the left side of the nose. This led to an unbalanced center of gravity, which was also one of the reasons why it was difficult to take off, and Junkers finally took advantage of the opportunity to change the BMW801D to the center line mount, which also improved the take-off capacity of the Tien Shan.

With a new design and adjustments, the Tenzan Mountains can finally fly according to Japanese technical specifications. The maximum speed is slightly higher than the original. It reached 492 km / h, but due to the installation of the MW-50 system and the replacement of the BMW801D, the fuel consumption was greater than that of the original "protection" engine, and the maximum range dropped from 1745 km to 1600 km.

The Japanese were overjoyed by this, believing from their point of view that the Junkers had solved all the problems satisfactorily, much better than the comet's, that it was simply perfect, but the Junkers felt that they had spent a lot of effort with little success. This 5-ton dinosaur is a grade of the same as the Ju-87C, and the speed is a little faster (after replacing the latest Jumo 213 engine. The maximum speed of the Ju-87C can only reach 440 kilometers per hour), but the Ju-87C is obviously stronger and more durable, taking a step back, even if the project is successfully put on the ship, it is the share of the Ju-87C, and it is not cost-effective to arrange the production line separately, so I didn't expect the order at all, and only cried at the meeting and asked the Ministry of Armaments to provide some compensation for the company's labor and efforts.

But Speer smiled and told him: "The Japanese Navy is very satisfied with your work, it is impossible to ask for funds, and yesterday they sent another batch of drawings in the hope that we can help improve them, and one of the aircraft has a preferred target that they want your company to take over." ”

"What is it?"

"Drawings of a Meteor, Meteor to a shipborne torpedo bomber."

"This ......" the Junkers representative suddenly squirmed, they really didn't want to take on such a thankless task, and it was better to improve the Ju-88 and Ju-87 with this effort.

But Speer's next sentence immediately made him excited: "After the success of this meteor into a carrier-based aircraft, I want 1000-1500 aircraft." In addition, the Führer agreed to place an order for 290 units of the Ju-400 modification. ”

The Junkers representative's breath suddenly became rough, and after the Ju-52 transport aircraft market was snatched up by the Ar-232, the company was heartbroken, and focused most of its energy on the Ju-290, a new heavy transport aircraft, hoping to reverse the decline, and in terms of profits, one Ju-290 was comparable to ten Stukas. Faced with the naked carrot in the hands of the Minister of Armaments, it was obvious that he had no resistance, so he could only grit his teeth and say: "Okay, we have taken this project!" ”

This time it was the turn of the Heinkel side to blush, and he immediately jumped up: "Our company has experience in improving Japanese aircraft!" Aichi's wing stamping technology was learned from us, so why don't we do this project? We don't want the Ministry of Armaments to give us money or compensation, we just want orders. ”

There was a burst of laughter at the meeting, and even Dr. Messerschmidt, who was not very interested, laughed.

The number of orders was actually told by Hoffman to Speer, who did not quite understand why the Führer had so much confidence in this aircraft, but given that Hoffman had always had a good eye for it and that naval aviation did need high-performance torpedo machines, he accepted it, and in order to lure Junkers to readily agree, he also prepared a transport plane gift package - which was also Hoffman's approval.

In the face of Heinkel's assertions, the Junkers representative glared angrily, and there was almost a spark in his eyes - Speer now knew Hoffmann's intentions, and he must make them compete with each other. However, the scene could not be too stiff, he smiled and said: "Your company has other tasks, the Führer admires the He-219 night fighter very much, considering that the air defense task is very serious, I hope to see the mass production aircraft before March next year, and the number of orders is also 1,000." ”

Whether it is a night fighter or a carrier-based torpedo machine, although it is a small order, the profit will not be too small, hearing the news of the official adoption of the He-219 project, the chief expert Dr. Hinkel waved his fist excitedly, and also deliberately glanced in the direction of the representative of the Aradau company, the company's Ar-240 and the Me-410 of the Messerschmitt company are also competing for this project, and now it seems that it is obvious that he has won the first place.

Dr. Messerschmitt can only shake his head and smile bitterly, following the Bf-109, the descendants of the Bf-110 seem to be finished, the Me-163 rocket interceptor technology was transferred to Japan, and now the only new models that the Messerschmitt company can count on are the Bf-219 and Me-262, and there is also a little Me-323 series transport aircraft order, the market influence is not as good as before, he is thinking about the direction of breakthrough.

"After evaluation, experts from the Ministry of Armaments believe that the Hs-129 attack aircraft project submitted by Henschel and the Ju-87G project of Junkers are highly overlapping, and the applicability and production line are better than the latter. With Speer's final decision, the Junkers representatives were proud, and the Henschel representatives were saddened, after winning the order for the Tiger tank, they wanted to go further in the field of aircraft, but they did not expect to lose on the highly-anticipated ground attack aircraft project.

Aladao company suffered a little stronger than Henschel, Speer finally gave an order for 100 water reconnaissance aircraft, the drawings are Japanese zero water reconnaissance, used to replace the company's old model Ar-196, speaking of which many seaplanes are introduced by Japan from Germany after World War I, but 20 years have passed, Japan has been among the world's most advanced in this field, both in terms of design category and research and development depth are far more than German counterparts, originally Japan also gave a two-type water war pit, It is used to arm Japan's unique submersible aircraft carriers, and Dönitz and other submariners are very interested in this, but Japan has a technical reserve of extra-large submarines, and the largest German submarine is more than 1,000 tons, and Speer feels that it is unreliable and temporarily puts it on hold.

"In addition, I would like to inform the manufacturers of good news, because the tungsten supply source has been basically solved, the army has decided to stop the production of 37mm anti-tank gun tungsten core armor-piercing shells, so the MG151/20mm cannon can be loaded with tungsten core armor-piercing shells, except for special models to deal with heavy bombers, the rest of the fighters do not have to force the installation of 30mm guns." The MK108 that has been put into service is of course favored because of its great power, but it is also very difficult to deal with fast targets such as fighters due to its low trajectory, and the forced installation of 30mm cannons also destroys the aerodynamic layout of many aircraft.

Of course, this is also related to Germany's technical reserves, as the only country that mastered the technology of thin shells during World War II, the same 20mm aviation shells, the charge of German high-explosive shells is as high as 18.6 grams, and the charge of the best 20mm shells of the Allies is only 11 grams (Japan only has about 7 grams), which is why the MG151/20mm power will be much greater than the power of other countries' 20mm cannons, the Japanese side is very envious of this, and has also introduced relevant technologies, but unfortunately it still can't be made, I could only buy a lot of physical objects at the moment of exchange of drawings and materials. After replacing it with tungsten core armor-piercing shells, the power of the MG151 can be more exerted, and the armor and fuel tank closure layers of other fighters and bombers are no longer a problem for German aircraft against the British and American planes except for the 4-round heavy bombers. (To be continued.) )