In the impression of ordinary people, the equipment of island countries has always been relatively small, such as pocket tanks, submarines, such as Zero aircraft, all of which are small in size.

Moreover, all this seems to be attributed to the limited resources of the island countries, which has led to their inability to develop bulky equipment.

Such an opinion is actually one-sided.

The island countries still have large tanks, such as the Type 5 tank, which is a 35-ton cargo, and the island country also has a plan for 100-ton and 150-ton super tanks, but these are all in the late stage of World War II, and the island country has no ability to develop such heavy weapons.

And in terms of bombers, the island nation has actually been sparing no effort to pursue.

Especially after the outbreak of the Pacific War, they have been working hard to develop a bomber that can take off from the mainland and bomb the United States.

Nakajima's research projects are progressing step by step from G5N "Fukayama", G8N "Renzan", and G10N "Mt. Fuji".

Among them, the final planned project "Mount Fuji" is similar in size to the B-36 "Peacekeeper" developed by the United States at the same time, and it is definitely a super weapon, but it is a pity that the "Mount Fuji" has not had time to test flight, and the island country announced its surrender.

The G8N is similar to the American B-17 "Flying Fortress", but it uses Nakajima NK9K-L Homaro24 engines, each with 2,000 horsepower, which is two-thirds larger than that used in the B-17, so it is faster and does not have any armor protection, so it can reach a longer range with similar weight.

It's a pity that this project has been 44 years old, and the United States has begun to carry out large-scale strategic bombing of the island country, and the "Lianshan" has not been put into mass production, and there is no record of the four aircraft that have been produced participating in actual combat.

And now, it is the island nation's first attempt at a heavy bomber, that is, a bomber codenamed G5N Deep Mountain.

This is the first attempt of the island country to develop a four-engine heavy bomber based on the American DC-4 civil airliner, and the appearance and aerodynamic layout are similar to the American B-24 "Liberator", but the size is much larger, and the take-off weight is slightly larger than that of the "Liberator". In terms of performance, the bomb load and range of the two are basically the same, but the "Deep Mountain" is inferior to the "Liberator" in terms of ceiling and maximum speed, and moreover, it does not meet the requirements of the Navy, so it has not been put into use in history.

Now, this aircraft is in the development stage, belonging to the trial production stage of the prototype, and Nakajima is quite looking forward to this aircraft.

The island country is about to fall into a war with the United States, so the island country urgently needs bombers that can bomb the continental United States, although it may not be able to fly from the mainland of the island country, but it can also fly from some bases of the island country in the Pacific Ocean!

Now, the superiors are in a hurry to make progress with this bomber, and by design, it can travel to and from Hawaii!

The deep mountain bomber had entered the final stage of assembly, and the designer of this aircraft, the young Kenichi Matsumura, was supervising the process by the side, and when he saw a group of people coming, he raised his body and greeted everyone, especially when he saw the German visitors.

"Your Junkers-290 bomber is one of our most admired aircraft, but we believe that our current mountain bomber will definitely be comparable to your bomber." Kenichi Matsumura said.

When they designed it, the only prototype they could use was Douglas's DC-4 airliner, but many of their projects were aimed at the Junkers-290, which has become in fact the most powerful aircraft of its time.

Not only the island country, but also the American B-29, why not aim at this bomber?

Hearing Kenichi Matsumura's words, Rudel nodded, and continued: "An engine of this level requires at least two thousand horsepower. ”

His words made Kenichi Matsumura's face look ugly.

Just said that it can be comparable to the Junkers-290, but as soon as the engine is mentioned, Kenichi Matsumura will stop cooking, and they can't quickly make up for this shortcoming.

The engine industry of the island country is also in its infancy, and almost all of them are copied from foreign countries.

Although the Nakajima NK9K-L Homaro24 engine has 2,000 horsepower, this has been 44 years old, and now, the only thing they can use is the Mars 12 engine, which has a nominal power of only 1,480 horsepower, and at high altitude, the horsepower will drop to less than 1,000 horsepower because the supercharger is not qualified.

This engine is not qualified, although it has not yet been test-flown yet, everyone knows in their hearts that they are afraid that it will not meet the design index of 500 km / h of the Navy.

It wasn't until '42 that the 1,870 hp Nakajima NK7A 11-cylinder 14-cylinder star-cooled engine was available, but even then it didn't meet enough design specifications to make it go into production.

Engine technology, but not so simple amplification on the line, this is the science of the system, Nakajima company is mainly responsible for the development of engines, now can not come up with 2,000 horsepower to qualified power system.

Looking at Kenichi Matsumura's expression, Rudel secretly scolded himself for talking too much, saying What are you doing here, I am only here to be a consultant, not a master, what level have they developed, what is the matter with me!

At this moment, Minoru Genda, a staff officer on the side, broke this embarrassment: "Mr. Rudel, in fact, we very much hope that we can import some engines from you and equip them with our aircraft. ”

Why did you bring Rudell here? In fact, the upper echelons have already instructed it, after all, the Germans have had this kind of aircraft for a long time, and it is not a leak, and the technology of the island country is not comparable to that of Germany at all.

Island nations have demands on people.

The engine of the Junkers-290 is the most suitable for its own deep mountain bomber, quickly making up for its own shortcomings, and once it has this mature engine, this bomber will be quickly finalized and produced, and even be able to catch up with the upcoming war!

Rudel regretted it in his heart for a long time, and blamed himself for talking too much, asking why is this for?

The engine of the Junkers-290 is exactly the same as that of the F190, and now even Germany's own equipment is not enough, how can it be given to the island country? Rudel thought quickly in his heart, this must not work!

However, the other engine, the DB601 engine used on the BF109, is completely fine!

Now, with Germany's great progress in jets, the Messerschmitt company is steadily transitioning to jets, and the production of BF109 has long been compressed to almost zero, which is also because the performance of the F190 is much better, and the Air Force is more inclined to purchase the F190.

In this case, the supporting engine will also be in a redundant state.