At the secret arsenal of the National Defense Forces, Tu Qianjun saw a tired-looking Shen Hong. And this engineer, whom Tu Qianjun regarded as a technical plug-in, was looking at his master, Jia Xiaohou, with distress.

Jia Xiaohou gave Shen Hong a comforting look, then smiled at Tu Qianjun and said, "Finally it has lived up to expectations, the modification has been completed."

As he said that, Jia Xiaohou led Tu Qianjun and Liu Yunjiao through the main roads and arrived at a field. There were two fighter jets parked there. Jia Xiaohou looked at Tu Qianjun tiredly.

"These two are our improved ground attack aircraft and interceptor aircraft. One is specially used to clear enemy positions with fixed-point firepower, and the other is specially used to intercept enemy fighters and bombers."

With that said, Jia Xiaohou walked to the plane on the left with a trace of heartfelt pride on his tired face!

"This is our improved strong interception version. I call it the 'Tiger Shark A'! Its maximum take-off weight is 3,800 kilograms, its top speed is 680 kilometers per hour, and its ceiling is 13,500 meters!"

It has to be said that Jia Xiaohou is extremely serious and responsible for his work! In order to do a good job in improvement, he has now even become a complete aviation expert! Every bit of data is reported with such confidence!

This confidence comes from his professionalism and years of hard work and experiments!

"The standard weapons are four J-type 20mm110 cannons, each with 150 rounds of ammunition. There are chutes on the wings, and you can choose to equip 4 combinations of 6 consecutive 70mm air-to-ground rockets, which can be discarded after the launch. Heavy……"

The more he talked, the brighter Jia Xiaohou's eyes became, and his lips kept trembling! Shen Hong and others next to him raised their chests and looked at the fighter jet with pride!

"The weight has increased, which has led to a reduction in the combat radius. The current range is only 750 kilometers, but if it carries a pair of 250L auxiliary fuel tanks, the maximum range can be increased to 1,200 kilometers!"

"Also, in order to protect against the Japanese machine guns, we have specially strengthened the cabin glass! We use multi-layered 60mm thick bulletproof glass for the front glass, which can protect against 12.7mm machine gun bullets for a short time! Hey! Don't worry about that 7.7 machine gun in Japan. I want to penetrate it!"

The development of this glass is a breakthrough. It was modified by Jia Xiaohou himself based on the safety glass of France's Benedicts. Although the weight has increased, it better guarantees the pilot's survival probability.

In the early 20th century, a Frenchman named Beneditus accidentally knocked a glass bottle off the shelf while sorting out chemicals. With a crisp sound, the glass bottle fell heavily. On the ground.

Benedictus secretly complained, oh no, the medicine must have been spilled all over the floor, and he had to spend time cleaning and cleaning again. Just when he lowered his head, bent over, and was about to clean up the mess, he unexpectedly discovered that although the glass bottle appeared There were a few cracks, but it was not broken, and the medicine inside was intact.

At that time, most buses and cars in France used ordinary glass. The consequence of this was that once a car accident occurred, the broken glass would scratch the passengers, and some people might even die.

Benedictus saw a possibility in this bottle that only cracked but did not break into pieces: glass, if specially treated, would become safer!

In the end, Benedictus developed the world's first piece of safety glass. This glass is made of cellulose trinitrate grease sandwiched in the middle and ordinary glass on both sides. This kind of glass will only

It will break without splashing. This also produced the world's first bulletproof glass.

Historically, Zhang Zuolin had his own bulletproof car. Zhang Zuolin even installed a heavy machine gun on the car as fire support. Han Fuju also purchased an armored car from the United States.

This car has double-layer bulletproof glass, and the chassis and body are all armored. It requires 12 cylinders to drive. In order to please his father, Chen Du, Chen Tiaoyuan's son, also ordered a similar car from the United States, but with better performance.

good.

It was a large 16-cylinder armored and bulletproof Buick truck that cost more than 10,000 US dollars to customize. Chen Tiaoyuan liked it very much but never dared to sit in it. There was no way, even Chiang Zhongzheng didn't want you to ride in it. Isn't that jealous?

What?!

Jia Xiaohou, on the other hand, based on the bulletproof glass purchased from the United States, researched and improved it on his own and equipped it on fighter jets. Now the three northeastern provinces have their own chemical industry foundation. Fan Xudong and others continue to expand production capacity and research and development with a large amount of financial support. At the same time,

There are dedicated people responsible for developing the market, and the entire chemical industry has formed a virtuous cycle.

Tu Qianjun is also very satisfied with this design. For a long time, Japanese fighter jets will definitely not have guns above 7.7mm. In other words, unless they are lucky enough to hit the fuel tank, they are unlikely to shoot down the Wehrmacht!

"Uncle Jia, how much does a disposable rocket launcher cost?!" Tu Qianjun asked this question. He was worried that if the cost was too high, the National Defense Forces might not be able to afford it.

After all, the foundation is still weak now. Once a war breaks out in the future, the consumption will be staggering! Therefore, cost has become a practical issue that must be considered.

"Since our launch tank is disposable, the cost will naturally not be high!" Jia Xiaohou said with a smile. How could he not know that the foundation of the three eastern provinces is not strong?! He also took this into consideration when making this weapon.

Went in.

"The transmitter uses bakelite, which is urea-formaldehyde plastic. Inside, a thin steel pipe made of 0.8 mm slit steel pipe is used as the launch tube. It is very light, weighing only 3 kilograms. The cost is not high. We can make a batch of it ourselves.

2 to 3 yuan.”

Now Tu Qianjun was completely satisfied. The price was not high and it was equipped. In other words, whether it was equipped or not depended on the situation. Even if it was not equipped with a 20mm caliber cannon, it was enough to tear apart those thin-skinned fighter jets of the Japanese army!

As he spoke, Jia Xiaohou walked to the fighter jet on the right and said to Tu Qianjun: "There is also this one. We call this one the 'Tiger Shark B ground attack aircraft'."

Saying that, Jia Xiaohou paused and continued: "The parameters are basically the same as those of the Tiger Shark A, but what we added is to strengthen the landing gear, strengthen the wing structure and pylon carrying capacity, and install a deceleration for dive bombing.

Flaps. At the same time, a controllable speed brake is installed on the tail.”

Tu Qianjun didn't understand these terms, but he clearly felt that this fighter jet was used for ground dive bombing!

"The body of the Tiger Shark Type B is reinforced with a double-layer gap armor plate for important parts on the lower side, a self-sealing fuel tank, and a spare steering surface operating rope. At the same time, manual fire extinguisher nozzles are installed on the engine and fuel tanks, and a spare cargo discard switch is installed. And its tires

Use large-size low-pressure tires and add an armor plate under the driver's seat to ensure the safety of the aircraft."

Tu Qianjun kept nodding as he heard this, and Jia Xiaohou became even more proud when he saw this! His hard work has been recognized by others, which is an extremely happy thing for a person who specializes in technology!

"Tiger Shark Type B, our standard weapons are four 14.5mm large-caliber machine guns, each with 300 rounds of ammunition. At the same time, optional weapons can be mounted: 8x105 ground-attack rockets, 3x250kg bombs, 2x500kg bombs or 2x40mm external anti-aircraft weapons

Tank guns and bombs will occupy all the auxiliary fuel tank racks and reduce the range. If bombs are not mounted, then this equipment is enough for combat. "

Tu Qianjun couldn't help but nodded. Four 14.5mm machine guns were enough for even a skirmish. Unless it was used for bombing, mounting bombs would not be worth the gain. Just use it for ground support.

"Uncle Jia! You have worked hard!" Looking at the two fighter jets, he turned around and saw Jia Xiaohou's pale and tired face. Tu Qianjun suddenly felt a warmth surge in his heart.

"When can these two fighter jets be put into full production?!" After a pause, Tu Qianjun said to Jia Xiaohou. Jia Xiaohou smiled when he heard this: "We have visited our four aircraft production plants and inspected them.

The level of technology has improved and the output will naturally increase.”

"I dare not say more, but we can still achieve the goal of maintaining the quality and quantity of three hundred aircraft a month." Tu Qianjun nodded fiercely, and then said: "Okay! I will order them to step up the acceptance! Once

If the Air Force feels it is appropriate, then it will carry out a comprehensive replacement!"

Jia Xiaohou laughed! He was smiling like a child. After being ridiculous for a while, he actually lay down on his back! Tu Qianjun's expression changed, and he quickly supported the engineer, but he saw a smile on his face and closed his eyes.

Tu Qianjun shouted with red eyes: "Uncle Jia! Uncle Jia! Liu Yunjiao! Find me a doctor right away!!"

Shen Hong watched his master cry and told Tu Qianjun intermittently about the hard work during this period. Jia Xiaohou was not young, but in order to get the modified new fighter jet online as soon as possible, he pulled the entire team together.

Revising the design all night long.

For several months, Jia Xiaohou and the entire team only rested for less than three hours a day. The rest of the time was devoted to the improvement of the two models of Tiger Shark.

Amid Shen Hong's sobs, the doctor from the Ordnance Industry Institute rushed over. He carried Jia Xiaohou to the infirmary, examined him carefully, and then said to Tu Qianjun with a smile: "There is nothing wrong with Chief Engineer Jia's health."

, I am just too tired. I am a little weak and need to replenish my energy..."

While they were talking, snoring broke out in the entire medical room! Tu Qianjun and Liu Yunjiao looked up and saw that all the R&D personnel who accompanied them to inspect the aircraft were leaning on their chairs and falling asleep!

Looking at the sleeping researchers, Tu Qianjun fell silent and asked the guards to find stretchers to take all the researchers back to their dormitories and carefully close the quilts on them.

The chef was found and asked to carefully prepare dietary supplements for the researchers. At the same time, Liu Yunjiao was asked to purchase a batch of old wild ginseng and bring it back to make ginseng tea for them.

At the same time, the remaining managers of the ordnance factory were ordered to take a five-day holiday.

Back at the headquarters, Tu Qianjun called Air Force Commander Chen Haihua: "Go to the Ordnance Factory to inspect the new fighter jets, and if possible, gradually replace them. It seems that we can take more orders from Stalin and others!"...)
Chapter completed!