Infinite Doomsday Start Draws Luodu Mechanic
Chapter 210 Other Ways
So is there any other way? There really is.
For example, shorten the length of the rod. Because the higher the aspect ratio, the higher the spin speed at which nutation will occur.
Just adjust the aspect ratio to a stage where the current spin speed is not enough to cause nutation.
Then, the previous generation of armor-piercing discarding sabot APDS was reinvented.
However, there is indeed another feasible solution: the sliding belt.
The cartridge belt was originally a ring-shaped structure on the cannon shell that was tightly integrated with the gun bore to prevent gas leakage and act as a seal.
It can also be embedded in the rifling to drive the projectile to rotate.
The other functions of the sliding belt still exist, but in driving the rotation of projectiles, it plays the role of a "middleman making the difference".
Similar to lubrication or bearings.
That is to say, the belt itself rotates with the rifling, but the friction coefficient between the belt and the projectile is low, which in turn reduces the rotation speed of the projectile or core itself.
Reduced to the point where nutation will not occur during combat.
However, as mentioned before, this method is troublesome.
After all, the barrel can fire hundreds or thousands of rounds at a time.
To install this thing on a large number of artillery shells, it is better to simply replace the barrel.
What's more, it is an obvious truth that rifled guns have rifling wear problems and their actual lifespan will be relatively short.
Therefore, taking all things into consideration, it is better to replace the combination of smoothbore cannon + new artillery shells.
But if they were to follow Sarah's request and only give them solid armor-piercing bullets from the rifled cannon era, they would be incompatible with modern smoothbore cannons.
This kind of artillery shell needs a rifled gun to provide spin in order to fly more steadily and farther.
Just like a rifled gun in small arms, that is, a rifle, even if it fires intermediate-power bullets, the effective range can easily reach two hundred meters.
As for the smoothbore gun, that is, the shotgun, even if the muzzle kinetic energy of the single-point bullet is very similar to that of the powerful bullet in the rifle, its maximum effective range is only 80 to 90 meters.
No matter how far they are, it's not that their kinetic energy disappears and they will land, but because their flight trajectory is unstable and they don't know where they will fly. They can no longer aim accurately and lose their practical significance.
Although according to Sarah's method of use, it seems that they do not intend to use this tank to attack targets two or three kilometers away.
What's more, after the modern fire control sight is removed, the main gun on this tank can only be like the old World War II gun, relying on the mechanical height and low steering gear to adjust the height direction, and relying on the optical sight for observation and aiming.
Even if you want to hit farther, it is actually very difficult to do so.
Under normal circumstances, firing when one kilometer away from the target is considered the best way to take into account all indicators.
In this case, it seems okay to use smoothbore cannons to fire solid armor-piercing projectiles.
In fact, Sarah and the others just don't want to change their World War II veterans.
After all, the best old World War II gun that Ruger can get at a discounted price is the Tiger's 88mm rifled gun.
Although caliber does not absolutely represent power, in the case of these tank guns, it is really directly related.
In fact, if Luger uses it himself, he has an alternative.
Didn't a certain country stick to its own rifled artillery shells and use them until modern times?
Replacing it with their 120mm rifled gun should be able to meet Sarah's requirements.
However, Ruger has never recycled that kind of thing, or even seen it in person.
To buy it, not only is there no discount, but you also have to spend points to unlock purchase rights.
Of course he won't do it.
As for saying that I borrowed the design of that cannon and built one from scratch?
If it's really what you need, then it's not a bad idea to put in a lot of effort to get it done.
But this is for someone else, so of course he will "listen to Party A's own needs."
However, how could he, a kind-hearted person like him, watch his friends suffer.
So after he agreed to Sarah's request, he immediately said, "I know you are prejudiced against old tank guns and don't want to change them."
"Let's do this. I'll get this tank ready for you. Don't leave yet."
"I'll get you another old tank with an 88mm rifled gun."
"It's not a gift, and I don't force you to buy it."
"As if we are cooperating, I ask you to take it to the battlefield for actual combat testing."
"If you think it's good, then I'll sell this car to you too."
"If you feel bad, then take it back."
"If I really can't care, I can go to the front line to recover it myself."
"How about this?"
Seeing that he had reached this point, Sarah would certainly not object.
Inside and outside, she could have one more tank.
So the new deal was concluded again so smoothly.
It should be noted that the new tank Ruger is building is not a Tiger.
Although he had unlocked the purchase of a Porsche Tiger chassis from the Ferdinand Tank Destroyer, he had no intention of wasting points on such a thing.
Although he does not have a tank chassis, he does have many chassis of tank destroyers and even assault guns.
For example, the Jaguar tank destroyer.
This thing is the same chassis as the No. 5 tank, the Panther tank.
This Panther is not the later Panther.
Its official name is Panther, which is different from Leopard such as Leopard 2A4.
In the Chinese context, the former is often translated as black panther to distinguish it from the latter.
But actually this is a misunderstanding.
They are all leopards, that is, leopards.
But because Westerners don’t observe carefully, they suddenly think that there are two different sizes of leopards.
Let's call the small one Panther and the big one Leopard.
So if we really want to express the original meaning clearly, the corresponding translation of the two words is Little Leopard and Big Leopard.
The overall size of the "Little Leopard" tank is not small, and there is not much difference compared with the Panzer VI Tiger.
And it is equipped with a 75mm70-caliber rifled tank gun, and its actual penetration is greater than the famous 88mm56-caliber gun of the Tiger.
Of course, the penetration data is used to fight tanks. For fighting monsters, it cannot be said that it is useless, but its importance is not that high.
The monsters that Sarah and her friends have to face are, first, the group of skeleton mages on the Taymor Highlands, and second, the monsters at the gate of the Great Monastery, the main lair of monsters, which are at least nightmare-level monsters.
For the former, let alone armor-piercing shells, even ordinary grenades can deal with it.
As for the latter, their defense is indeed much higher, but not higher than the average steel plate of 170-190mm.
The monster that can make the tank gun fire a second round must not only be nightmare level, but at least an elite monster.
In this way, how much difference is there between the 194mm penetration of a 70-caliber 75mm gun firing a tungsten core armor-piercing bullet at 100 meters and the 171mm penetration of a 54-caliber 88mm gun firing a tungsten core bullet at 100 meters.
Unless the defense of the elite monsters is just between these two numbers.
In that case, it is the difference between one shot and two shots.
But the probability of this happening is really small.
It would be fine if Ruger didn't have the data, but he had already done experiments. Monsters of nightmare level difficulty can't withstand a 30mm rapid-fire gun armor-piercing bullet from him.
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