Rebirth of the 1980s: The Military Industry Empire
#271 - Chapter 271 This gun mount is unfair!
It really wasn't that Qin Yang was deliberately delaying; it was just that the military train was too slow. It wasn't until 8:15 that it arrived at the internal platform of Factory 447. Qin Yang personally jumped into the tank cockpit, floored the accelerator, and didn't let go, speeding over like lightning.
Although this was his first time coming to Factory 447, he had been here countless times in his previous life and was very familiar with it, rushing straight from the station to the firing range, stirring up dust all the way.
Qin Yang felt very innocent: I really didn't want to make a dazzling entrance! I had no choice.
The engine at the rear was still roaring, and the revamped 1224 tank was still speeding along. The gazes of the people opposite were clearly strange.
"Did Qin Yang even modify the turret? As expected, if you don't keep an eye on him, you never know what tricks he'll pull." Old Zhu saw the appearance of the turret and quickly thought of the Storm tank that had been modified for Iran. He sighed with some emotion, "However, this kind of turret does look quite imposing."
This was also something Qin Yang modified casually. Anyway, it was just adding a 'bra'. The previous 1224 tank turret's 'bra' was more rounded and didn't look imposing enough. Now, it looked more powerful. Moreover, this also saved everyone from associating it with that 1224 tank, making them think it was a completely new tank.
"Why isn't he slowing down? What does he want to do?" At this time, watching the tank continue to speed over, some people began to worry. Could he be crazy?
"Old Huang, move aside!" The guard beside Old Huang was anxious.
"What are you afraid of? He wouldn't dare even if he had the guts." Old Huang still stood tall and unwavering, watching the speeding tank.
Of course, Qin Yang wouldn't dare to play a sudden brake in front of the leaders. If he did that, he would probably be pinned to the ground by the guards beside the leaders as soon as he stopped. After Qin Yang got closer, he turned the steering wheel and drove towards a gun emplacement on the other side.
The hydraulic transmission was paired with a steering wheel, which was much easier to operate than levers!
"That kid has good eyesight." Old Huang said to himself with a smile, his eyes still on the tank.
As the tank turned, its side was displayed in front of everyone. Six pairs of road wheels and a low turret made it look somewhat familiar, but also unfamiliar in some ways.
Just then, a sharp braking sound rang out, and the tank's hull tilted forward rapidly, the gun barrel almost poking into the ground. That was some fierce braking.
Qin Yang was startled. If the gun barrel was bent, they wouldn't be able to compete this time. Indeed, there was a saying that went, 'Don't show off, or you'll be struck by lightning.'
If there were only braking devices, there wouldn't be such a strong braking force. The key was that the British power unit could not only provide power, but the hydraulic transmission could also provide a certain amount of braking force. If going down a long slope, you wouldn't need to step on the brakes; you could rely on this device to decelerate.
At this time, watching the tank come to a stop, everyone was stunned. The acceleration was fierce, the off-road performance was fierce, and the braking was also so fierce?
"The 1224 tank from Factory 617 isn't this powerful. What kind of tank is this?" Someone couldn't help but ask.
"This is the gun mount from Factory 960's tank gun," Old Zhu said.
Gun mount?
This isn't fair! Zhuang Shuren's face darkened instantly. He turned his head to look at their anti-aircraft gun-modified gun mount and then looked at the tank chassis-modified gun mount. Were these two comparable?
Qin Yang was the assistant of Old Zhu, the designer of third-generation tanks, but Old Zhu shouldn't be so biased towards him, right?
However, these words had just reached his lips when he swallowed them back down. Isn't it just a gun mount? This competition isn't about gun mounts, but about guns! Their 120mm gun must surpass the opponent's 125mm gun!
Old Huang walked over with a smile: "Engineer Qin, come down!"
Qin Yang climbed out of the driver's seat and took off his tank helmet: "I've been rushing all the way, and I finally made it. I almost missed the bidding!"
"What's going on with this chassis?" Old Huang asked.
Obviously, he was already tempted. If this kind of chassis could be mass-produced, what was the point of research and development? They might as well equip a batch first.
"Old Huang, this time we're bidding on tank guns. This chassis is just a gun mount, nothing else," Qin Yang said. "Everyone, please pay more attention to our tank gun."
Old Huang nodded. The tank was speeding so fast; it might be the tank with the Perkins engine. So, it was best not to mention these things now and stick to the tank gun. As for the chassis situation, he could inquire about it when there were fewer people. After the bidding was over, he could drive it out and feel it. Yes, that's how it would be.
"Talk about the performance of your tank gun," Old Huang said.
"Our gun is a 125mm caliber, 48-caliber length, and the current normal chamber pressure is around 470 megapascals."
Small caliber length and low chamber pressure. The technology of this tank gun didn't seem to be as good as Factory 447's 120mm tank gun!
Zhuang Shuren was relieved. The opponent's armor-piercing capability was definitely not as good as theirs!
Although Qin Yang was a military expert, he wasn't a chemist. He really couldn't get his hands on advanced propellant.
There were two lengths of domestically produced 125mm tank guns. The initial one used was 48-caliber length. The Type 96 series tanks for domestic use and the Khalid tanks for export used this gun. The Type 99 modified tanks used a 50-caliber length tank gun. Domestically, there was also great caution in increasing the gun barrel length.
Now, Qin Yang wasn't being rash. Using a 48-caliber length was enough. Moreover, it was a matter of necessity. That small electroslag remelting furnace could only process gun blanks of this length. Anything larger simply couldn't be produced!
"If your chamber pressure is low, the muzzle velocity of the shell will be low, right?"
"That's right. When firing armor-piercing rounds, the muzzle velocity is only 1730 meters per second," Qin Yang said.
None of the data was as good as the new 120 smoothbore! The technicians from Factory 447 were beaming with joy. They seemed to be confident of victory even before the competition had begun.
Zhuang Shuren was originally happy, but when he heard this data, his face changed again.
Normal chamber pressure of 470 megapascals, maximum chamber pressure of 575 megapascals, muzzle velocity of 1730 meters per second. What did this data mean? The chamber pressure was lower than theirs, but the muzzle velocity of the shell hadn't decreased much. A difference of ten meters per second was almost negligible!
Was it because the gun barrel was thicker? Don't underestimate the 5mm difference; the cross-sectional area of the gun barrel was one-twelfth larger! But even with this calculation, there was still a gap. What caused this gap?
Shells!
Although Factory 960 had just started manufacturing tank guns, their shells had long reached the world's advanced level! Even the British were buying their technology!
"It's useless to just compare data. Let's test fire it. Should we start with zero-range or two-kilometer range?" Qin Yang asked.
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