In the early 1950s, air defense technology was in a state of flux. The technological advancement of jet aircraft made the small-caliber anti-aircraft guns left over from World War II somewhat obsolete, and the anti-aircraft missile technology being explored was not yet mature.......Therefore, even the anti-aircraft missiles of Yingjiang and Maoxiong are immature.

This is also the reason why Su Hua took a step back and studied anti-aircraft guns.

After the concerted scientific research by Su Hua and others, they finally developed an anti-aircraft gun with superior performance.

This is a high-rate, linked anti-aircraft gun that can fire more medium-caliber anti-aircraft shells in a short period of time.......Especially for bombers with armor protection, they must have better damage capabilities than small-caliber guns.

Because it is a linked anti-aircraft gun, it has better ballistic performance, higher rate of fire, and stronger firepower sustainability.

At the same time, in order to ensure mobility, this anti-aircraft gun has a three-wheeled wheeled trailer with a double barrel structure. The two barrels have interconnected structures in the middle and top.......The two barrels can not only fire independently, but also fire alternately.

The artillery's ammunition supply is a huge cartridge placed on the left side......The ammunition is in a group of 3 clips, with the warhead facing inward. There are a total of 25 clips for a total of 75 rounds.

In order to obtain better performance from the artillery shells, Su Hua redesigned the 42mm unconventional ammunition......The ammunition cartridge is very short and thick, in order to reduce the size and facilitate installation.......It comes in two cartridge sizes, one 338mm and one 348mm.

After the prototype of this artillery gun was developed, Su Hua immediately asked the test team to conduct testing.

The test content includes high-speed shooting, target drone shooting, performance testing, etc., to test the new anti-aircraft gun in all aspects.

At the same time, Su Hua also personally participated in the test

"One shot reload!"

"Second round reload!"

"Take aim!"

"Two salvos!"...

After a series of operating instructions, the two anti-aircraft guns were fired directly towards the target drone. dong dong dong...... swish swish......

The anti-aircraft guns flew into the air quickly and successfully hit the target drone accurately.

The target drone hit and fell rapidly with a puff of black smoke.

Successful hit.

Seeing such a scene, everyone was relieved.

A burst of cheers!

This means that the anti-aircraft gun has finally been successfully developed, and its performance is quite good.

In order to better understand the performance of this anti-aircraft gun, the testers also used a target drone to conduct multiple rounds of tests, and the hit rate was quite good.

The current conditions are limited, but the smart Su Hua still thought of a way to make a target drone.......That's the gliding target drone.

This kind of target drone is an unpowered target drone, and the method of use is also very simple, which is to drop these unpowered gliding target drones through airdrops from aircraft.......Because of their paraglider design, these unpowered glider drones can fly in the air for a period of time, which can simulate the flight trajectory of enemy aircraft.

The anti-aircraft gun designed by Su Hua has a high rate of fire and excellent ballistics, so it can accurately design a target-hitting machine.

Subsequently, the test team conducted more detailed tests on the anti-aircraft gun.

Finally, a complete test report was submitted to Su Hua.

Su Hua looked at the report with a new smile on his face, and then handed the report to Lu Haiqing and said:"Commissar Lu, look......Here are all the performance data of our new anti-aircraft gun......It seems pretty good. The aircraft used to deal with bald heads should not be a big problem!"

Lu Haiqing took the report and looked at the detailed data of this anti-aircraft gun:

Type 55 37mm anti-aircraft gun total weight in marching state: 1325 kilograms.

Total weight in combat state: 1275 kilograms.

Grenade weight: 1.416 kilograms.

Armor-piercing projectile weight: 1.455 kilograms.

Theory Fire rate: 60-80 rounds/min.

Maximum firing range: 8500 meters.

Effective firing height: 3000 meters.

High and low firing range: -10 degrees -85 degrees.

Directional firing range: 360 degrees.

Powered, manual hand crank, gun squad has 7~8 people......The artillery is equipped with a mechanical synchronized firing device, and later equipped with an electric firing device, which can realize concentrated fire of 6 artillery pieces.

The artillery is equipped with a mechanical vector sight, which is a non-independent sight and is installed above the landing part of the artillery.

The artillery is equipped with tracer anti-personnel grenades and tracer armor-piercing projectiles, with a muzzle velocity of 866 meters/second.

The most important feature of the artillery designed by Su Hua is that it is simple to manufacture and low in manufacturing cost.......This is very in line with the current national conditions of Rabbit, and the performance is not bad and is completely sufficient.

After reading the anti-aircraft gun report, Lu Haiqing looked slightly surprised and said:"I didn't expect that we could develop an anti-aircraft gun with such superior performance in such a short period of time. This is really a miracle!"

"Director Su, you are indispensable for the successful development of this anti-aircraft gun! Su

Hua smiled and said:"I don't dare to take credit. The successful development of the anti-aircraft gun is the credit of the entire team, and also of you, the political commissar of the mainland!"

Lu Haiqing curled his lips and said,"I'm just an errand boy!""

Although he said this, Lu Haiqing knew very well in his heart......Many technical difficulties and problems of this anti-aircraft gun were solved by Su Hua, and he deserves to be the first contributor.

After confirming that the anti-aircraft gun was successfully developed, Su Hua immediately called Minister Zhao of the Ministry of National Defense Industry through an encrypted phone.

Toot toot......

After a while, the call was connected.

Su Hua:"Minister Zhao, this is Su Hua!"

Minister Zhao on the other end of the phone said,"Su Hua, why do you call me when you have time? Has the anti-aircraft gun been successfully developed?"

PS: Third update, there is someone else Are you following the reading? The data doesn’t move very much. I beg for a flower, a review vote, a monthly pass and a reward.......Have it? Thank you readers for your food and clothing.

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