Karl said: "Well, that makes sense! This is an opportunity for us to develop! Now that the war clouds are gathering in the countries of Europe, it is the time when the demand for weapons is very strong! There will definitely be a big increase in our weapons sales. But will Hitler, a madman, allow us to sell weapons to other countries, especially Britain and France? ”

Xiao Weiguo muttered: "This is indeed a difficult question to avoid. Our part in Sweden is fine, if it is the Messerschmitt company in Germany, it will definitely not be allowed to export weapons to Britain and France! This problem needs to be studied well and come up with a practical solution. However, at present, we still have one more work to do, that is, to develop a 30mm rifled gun as soon as possible and use it on German light tanks, and I think our tank plan will definitely win the bid! Even if we don't win the bid, we have to engage in such a weapon, and tank armored vehicles are the next direction of our development! ”

In fact, the original Bofors was selling weapons to both sides of World War II, for example, although Bofors anti-aircraft guns were widely used in the Allied camp, but Germany also had some. The gun was mainly used to make up for the gap between the German 37-mm anti-aircraft guns and the 88-mm and 105-mm anti-aircraft guns. The firing range is half that of the 37-mm anti-aircraft gun, the weight is increased, and the firing height is increased.

There is also the Swiss company Erlikon, which also sells weapons to both sides of the war. There is probably no cannon that can compare to the position of the 20mm cannon in Erikon in Upper Switzerland in World War II. The 20mm cannon designed by the Swiss company and its numerous derivatives were adopted by the major belligerents such as France, Germany, Great Britain and the United States, as well as Japan, in the mid-to-late 30s, and constituted the main artillery force of the air forces of various countries from the early to mid-war period. In total, more than 30 countries used Erlikon products during wartime, from the hot deserts of North Africa to the vast Pacific Ocean. Swiss masterpieces can be seen everywhere. The vicissitudes of the Erikon cannon are a very interesting process; The war greatly contributed to the progress of the theory of air warfare, and the development of weapons correspondingly followed.

Karl said in a deep voice: "That's true, we still have a strong competitor in small-caliber guns!" It is necessary to enrich the arsenal of small-caliber guns as soon as possible, and in addition to the 30-mm Vulcan cannon and the 40-mm machine gun, the 30-mm rifled gun is also the focus. The Erlikon 20mm cannon is a competitor to be taken seriously, and its origins can be traced back to the Beck cannon used by the Luftwaffe at the end of World War I. Used as airborne artillery and anti-aircraft guns. After the end of the war, the Simag company purchased this design and made further improvements, creating an L-shaped cannon that fired 20x99RB shells, weighed about 43 kg, and had a rate of fire of 350 rounds per second. The company then annexed Simmag, on the basis of which a heavier S-type cannon was developed, firing 20x110RB shells. Weighing 62 kg, rate of fire 280 rounds / min. In 1926, Erlikon adjusted his development plan and developed three 20-mm caliber cannons with different ammunition, which were called by the finalized name for convenience, the FF type, which fired 20x76RB shells and weighed 25 kg. rate of fire 520 rounds / min; FFL type, using 20x100RB shells. weighs 30 kg and has a rate of fire of 500 rounds / min; FFS type, using 20x110RB shells, weighs 39 kg, has a rate of fire of 400-470 rounds / min. ”

Xiao Weiguo nodded and said, "In terms of machine guns, we can also base on 7-barreled 30mm Vulcan cannons. The development of a multi-barreled 20 mm Vulcan cannon to form a series of development, the Vulcan cannon is certainly more competitive than the Erlikon 20 mm cannon, and the same is true on warships. The next thing we want to develop is a 30mm rifled gun for light tanks. This is a rapid-fire gun with a similar revolver, which has advantages over the turn-barreled Vulcan gun in weight and size, and is suitable for loading on light tanks and small fighters. ”

In fact, at this time, the rifled gun is still a relatively unfamiliar concept for the arsenals of various countries, because in history, the rifled gun has not yet been born at this time! The structure of the rifled gun was derived from the revolver. It is a structure produced at the end of World War II due to the demand for higher rate of fire in the war, and Shih Tzu's Mauser MG213 aircraft gun is the earliest machine gun with a rotating structure. The rate of fire of the rifled gun is high, and the rate of fire of the single-barreled rifled gun can reach 1200 and 1800 rounds per minute; Simple structure and reliable action; Compared with the rotary tube gun, it is lighter in weight and smaller in size. However, Xiao Weiguo decided to get it out in advance, so that Dragon Soul Ordnance would have more categories for customers to choose from in the product library of small-caliber guns, and further improve the competitiveness of Dragon Soul Ordnance in small-caliber guns.

The 30mm rifled gun was popular in armored vehicles after World War II, and it was also popular in combat aircraft. The rifled gun later became the first choice of European countries, especially in the field of aerial artillery, it has always occupied an important position, it has decades of vitality is not accidental, it has some advantages that other artillery does not have.

Karl said: "It's just, the main gun of a light tank, does it need to be so high in terms of rate of fire?" Aren't tanks supposed to be used against tanks and armored clusters? ”

Xiao Weiguo smiled and said: "Carl, in fact, a light tank can't be called a tank at all, let it fight against the medium tank and heavy tank in the main battle, then really let it die!" Therefore, I believe that the combat mission of this light tank should not be to fight against the opponent's medium tanks or above, but to support infantry operations, and to strike at the enemy's live targets and solid fire points, as well as lightly armored vehicles. And the installation of rapid-fire small-caliber rifled guns on it is the best choice for dealing with these targets. The rotating rifle uses the principle of multi-chamber parallel operation, shortens the automatic working cycle time, and greatly increases the rate of fire. For single-barreled guns, this is the most effective way to increase the rate of fire, it does not take up much space, it is easy to arrange, and the weight is relatively light. In addition, the structure of the single-barreled rifled gun is relatively simple, and the work is very reliable. In particular, the single-barreled rifle gun with the principle of gas conduction can be fired by electric shock, which can greatly simplify the firing mechanism and effectively improve the reliability of work, and its service life is also relatively high. Of course, any weapon has its inherent shortcomings, but relative to its advantages, such as the sealing of the joint surface between the chamber and the barrel, and the positioning of the chamber, these problems can be slowly studied and improved. ”

Karl is very interested, this kind of rotating structure is really a different type, maybe this kind of cannon will really be like Xiao Weiguo said, and it may not be popular. (To be continued.) )