Chapter 2526 The Meaning of Marcel II

But then the MB162 bomber modified by the French based on the MB160 has very good performance. After the aircraft was replaced with four 1100-horsepower engines, the empty weight increased to nearly 12 tons, and the maximum landing weight was as high as 19 tons. (Because there is only one aircraft that has been tested but not actually in service, so the maximum take-off weight is not clear.) And the fastest flight speed is as high as 550 kilometers per hour! (When the author saw this data, he was taken aback, thinking that Wiki might be wrong, but after consulting the World War II military aircraft published by arms and armour, the above description of the speed of MB162 is also 550 kilometers per hour , even if it is inaccurate due to test problems or too scarce data, but it is certain that this speed is also based)

So, let's make a comparison. What is the performance of the long-range patrol aircraft F200 that the Germans also converted from passenger planes at the same time? The empty weight is actually about the same as MB162, about 13 tons. (Note, don’t trust Wikipedia on this point. The data on Wikipedia is wrong. I have the German version of the F200’s flight manual. Although I don’t understand German, after reading the chart, an empty weight of 17 tons is absolutely impossible !) The maximum take-off weight is about 22.7 tons. The maximum flight speed is 450 kilometers per hour. In the case that everyone's engine level is similar, the speed of F200C3 is 100 kilometers slower than MB162! (Yes, this data is also wrong on Wikipedia, it is clearly written in my manual!)

In terms of performance, if MB162 can continue to develop, it will become a better aircraft than F200. Even as a full-time bomber, it can actually be considered.

If you make a horizontal comparison, how do you compare with bombers such as B17 and Lancaster? This is hard to say. But if you make a rough analysis, the general size of the two aircraft is similar. The empty weight of the B17 is 4 tons heavier than the MB162, and the maximum landing weight is 5 tons heavier. The B17G uses a 1,200-horsepower engine, and the total power of the four engines is 400 horsepower higher. With a weight of 455,000 pounds, the maximum speed is 480 kilometers per hour. It should be noted that the weight of 455,000 pounds is only 20 tons, which is definitely not the weight of the B17 for bombing missions!

If MB162 is willing to pay the price of speed reduction and improve it, it should not be a big problem to get the load data similar to B17. In fact, if it is really in service, the weight increase of MB162 is almost inevitable, because you have to add a lot of facilities, such as various self-defense cannons and turrets, which will increase weight and increase resistance. Speed ​​reduction is inevitable. Of course, the engine power may also be increased, after all, MB162 is only a semi-finished product in history. And after improving, you need to analyze specific things in detail!

As for comparing with Lancaster? Unless you change to a very bad engine, don't even think about speed. After all, people use the famous Molin XX engine, which itself is a liquid-cooled engine, which has the advantage of reducing drag, and the maximum output power is close to 1500 horsepower! This power system was completely top-notch configuration before the B29-level bomber entered service! With a weight of 620,000 pounds, it can fly at a speed of more than 500 kilometers! This performance is really against the sky! To know,

This 620,000 pounds can already be regarded as the weight of the aircraft during the mission!

So how does it compare with the German HE177? On paper the DB610's numbers are not bad, but come on, you'll have to fix the overheating and stability issues first. As for the subsequent improved HE177 equipped with four BM801 engines? This is hard to say, after all, the number is very small. And the engine level is at least 2 grades higher than MB162! How does this compare? !

So is there any larger mass-produced aircraft in German history? Of course there are, such as the JU290, which is equipped with less than 70 aircraft, so it must not be related to mass production. The maximum take-off weight of this aircraft is as high as 40 tons, and it is generally used as an ocean-going patrol aircraft. Come up with a special bomber version. This aircraft is very good in terms of load and speed.

The only problem is that the engine requirements are relatively high, because this aircraft uses a BM801H engine with an output of up to 1,800 horsepower. The difficulty of the engine and the overall cost are relatively high. Obviously, it is not very suitable for use as the first generation of heavy bombers. After all, it is difficult to get a stable engine with 1800 horsepower. In history, the Japanese could not say that it was completely done at the end of World War II!

Generally speaking, it is a bit difficult for an aircraft of the JU290 level to be the first-generation strategic bomber. After all, the 1800-horsepower engine came out relatively late and the cost is relatively high. The time point of appearance will be relatively later, but compared with real NB bombers, such as B29, it is far behind. Because the latter's design is more mature, and the power system is more abundant!

Therefore, the safest route for the German strategic bomber should be to first produce a bomber of the B17 level, and then consider the B29 level. An aircraft such as the JU290, whose weight is between the B17 and the B29, is a bit tasteless. Compared with the former, the JU290 came out later and the cost is relatively high. Compared with the latter, the performance is not enough.

Some people may have said, isn't this also inferred and made up? No way, the design of the German four-engine heavy aircraft in World War II was rather sad, especially at the beginning, there were no more mature models like the B17 and Lancaster that could be copied directly. It is not as good as MB162.

Although the follow-up 4-shot version of HE177 came out, the paper performance is also good, but it can be attributed to the miracle of the engine. After all, you can't let the aircraft design wait for the engine, right? When the war comes, the most important thing is to create a heavy bomber that can be mass-produced based on the existing subsystems!

Therefore, for Germany now, the safer way is to choose one of the 4-engine models of the French MB162 in the future and the HE177 in its own history (the 1800-horsepower engine may not be available at the beginning, and the maximum may be Only 1,500 horsepower, which will definitely lead to a decline in performance.), as your own first-generation strategic bomber! Of course, if Italy is also willing to participate, P108 can also be used as one of the alternatives!

What? You said JU290? If the HE177 class aircraft can use 1500 horsepower or even a lower engine, then if the JU290 with a wingspan of more than 40 meters and a fuselage length of 28 meters uses a low-end engine, its performance must be terrible! With the BM801 engine, the maximum speed is only 460 kilometers per hour (the specific weight conditions are not clear.), if you reduce the power, the maximum speed may drop to 300 kilometers level? This speed is unacceptably slow.

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