Chapter 55: Tanks
Jiang Tao was not much surprised when he heard that the Japanese army on the front line had dispatched tank troops, but when he heard that on the battlefield this time, even the 37mm anti-aircraft guns did not penetrate the frontal armor of the Japanese tanks, which surprised Jiang Tao. Pen | fun | pavilion www. biquge。 infoIn Jiang Tao's impression, the Japanese tanks seem to have the attribute of "thin skin and big stuffing", as long as the guns with a larger caliber can easily penetrate their armor.
Jiang Tao came up with the idea of designing a tank, anyway, now that the iron mine and oil field have begun to be put into operation, the conditions for using the tank have been met. So why not design a tank. For this tank, Jiang Tao's requirements are very simple, first, the off-road performance should be good, the road in the northeast is not ideal, if the off-road performance is not outstanding enough, it is just a big toy, second, the armor of the tank must be guaranteed, at least the main part can resist the firing of the Japanese small-caliber artillery, third, the firepower of the tank should be fierce, Jiang Tao does not plan to use any machine gun as the main weapon of the tank, from later generations, he has never regarded the tank as a weapon to guide the infantry to attack, Instead, tanks were pooled and used as an important assault force to crush the enemy in one fell swoop.
Jiang Tao once again organized his own weapons research team, Hu Jun, Wen Da, Luneng and Feng Zhanhai and others were all listed, and even Chen Haisheng, who had never been very fond of dealing with Jiang Tao, heard that Jiang Tao was going to engage in tanks, and he was curious to come over and join in the fun.
The first thing to solve is the problem of the tank chassis, which everyone has no experience, Jiang Tao knows that there is nothing to discuss in the discussion, so he simply let himself exchange it directly from the system. Jiang Tao chose the chassis of the British Vickers six-ton tank (Vickers MK.EA tank) used by the German Type 1 tank and the Soviet T-26, to be honest, Jiang Tao is really not very good at this aspect, but the Soviet Union and Germany both chose this tank as the blueprint for their own tanks, which must have its merits. Jiang Tao also exchanged the drawings of this tank in the system in line with the doctrine of taking it.
The next thing is the power system, "I said, why don't you just put the engine of the plane on the tank, just shrink it down." Hearing that he wanted to engage in engines, Feng Zhanhai directly put forward suggestions from the aircraft engines he was good at. At present, it is true that many tanks are directly used in the piston engine of the aircraft, but Jiang Tao knows that the piston engine of the aircraft is a gasoline engine, which is not suitable for his own tank.
Although the current tanks are using gasoline engines, but gasoline engines are prone to explosions when shot, the American M-4 "Sherman" tank is the victim of gasoline engines, the design of this tank itself is still very good, but because the gasoline engine has won a nickname of Ronson lighter (Ronson lighter advertising slogan "One dozen, every hit must be hit"), Jiang Tao did not want his tank to become a lighter. Moreover, the gasoline engine consumes serious fuel, and the stroke of the tank is severely limited, in addition, in order to ensure the power of the gasoline engine, it is necessary to provide high-grade gasoline, which is a huge test for the oil industry. Therefore, Jiang Tao resolutely gave up the idea of gasoline engine, but put himself into the arms of diesel engine.
"Hu Jun, do you have any opinion on using diesel engines as power?" The only professionals in front of him are probably Hu Jun and Feng Zhanhai.
"You think we can use the engine we got some time ago, I heard they used it and thought it was good."
"No, that's not for our tank. The engine power of our tank must be larger, and the volume must be smaller. "Because the chassis space of the Vickers six-ton tank is a little small, so Jiang Tao must try to reduce the volume of the diesel engine, originally Jiang Tao let the power of the diesel engine for the half-track is a little small for the tank, so now this diesel engine must be redesigned.
"And can I use the V-shaped layout I talked about last time?" Hu Jun brought up the engine layout he had mentioned.
"This is okay, you can't bring a water tank for water cooling, anyway, the engine power requirements of the tank are not as high as those of the aircraft, and the cooling should not be a big problem." In order to ensure sufficient power, Jiang Tao adopted the V-shaped layout proposed by Hu Jun before, with a total of 12 cylinders arranged at an angle of 60 degrees.
"By the way, we can also use the main and auxiliary linkage structure with a small core distance, so that the engine can be smaller."
"Is there any way to increase the power?" Suddenly, Jiang Tao thought of the overhead camshaft, the former selling point of domestic cars. Single-cylinder multi-valve design, that is, there is a camshaft driven by bevel gear-shaft at the top of each row of cylinders, which shortens the distance between the camshaft and the valve, omits the tappet and tappet of the valve, simplifies the transmission mechanism between the camshaft and the valve, and makes the structure of the engine more compact. What's more, this installation method can reduce the mass of the reciprocating motion of the whole system and improve the transmission efficiency.
In order to ensure sufficient combustion efficiency, the single-cylinder multi-valve technology is adopted, the traditional engine is mostly one intake valve and one exhaust valve per cylinder, Jiang Tao added an intake valve and exhaust valve to each cylinder (the "V" of the 16V engine is the meaning of English valve (valve, valve), 16V is 16 valves). This kind of shooting is more accurate at the time of intake and exhaust, and the ventilation efficiency is greatly improved, which effectively improves the power of combustion work.
Jiang Tao said his thoughts, and Hu Jun couldn't help but praise Jiang Tao for being a genius. The engine, which was built using the two technologies mentioned by Jiang Tao, was tested and achieved a staggering 210 kilowatts (125 kilowatts in the Japanese ninety-seven style). And the volume has not become much larger, it is still more than enough to fit into a Vickers six-ton tank.
The heart problem is solved, all that remains is firepower and defense, the tank was first designed as a "Land Cruiser", firepower, defense, and maneuver are indispensable.
Jiang Tao actually wants to be lazy and find a ready-made artillery to use on the top, but he really didn't find a suitable artillery, or the power is enough, the weight is too heavy, and the structure is too big, there is no way to stuff it into the turret, and all that can be stuffed into the turret are small-caliber howitzers with short barrels, but this power is more pitiful, Jiang Tao also plans to use the tank as an assault force, if it is equipped with the 37mm combat defense gun used by the Northeast Army, it is estimated that even hitting concrete buildings will be a problem, How can it be used as a breakthrough force, not to mention that in the middle of the actual battle, even the frontal armor of the Japanese Type 89 tanks cannot be broken, isn't this a food delivery to the Japanese. Even the armored Japanese can't penetrate it, so is it possible that everyone is sitting on tanks and hitting each other? It's not a bumper car, this picture is too beautiful, Jiang Tao really doesn't want to see it.