Release that Witch Chapter 567: Flower bomb!
Neverwinter City, outside the West Wall.
The huge roar attracted a lot of people to board the city wall and take a look around. First Army has blocked the entrance to Hidden Forest to prevent anyone from entering the test site.
Although the location is far away from the city walls, if you use telescope, you can clearly see what happened here. It seems that in the future, it will be necessary to find a remote place as a dedicated arms test base, Roland thought.
"Your Majesty, the second round is ready for launch!" reported by the artillery soldiers.
"Everyone joins bunker ," he beckoned, "count down after confirming no one."
At the same time as the 152mm howitzer test firing study magic stone Sigil, Roland did not let go of the improvement in thermal weapon. Now that Timothy has collapsed, Northern Lands has declared its return, Greycastle is in a good situation, and he has also worked hard to make a new round of improvements to the shells.
But I have to say that the howitzer with trigger fuze is technically more advanced than the solid shell by several levels. Anna will manually make four shells for testing every day. As a result, there were no shells for three days. It exploded successfully, and even on the second day of testing, a cannonball burst out of the chamber and exploded, leaving the new cannon tube used for testing to be awkward. Fortunately, Roland had long been prepared to dig a few trenches around the test site to prevent accidents. No injuries were caused. As for the soldiers closest to cannon, the eardrums were broken and they were cured in time by Nana.
"This thing can really explode when you meet the enemy like you said?" Agatha stood in the trench and couldn't help but visit. "I asked Anna, it's just made of several metal pieces, not Life, how can you tell if your opponent is an enemy? "
She is the most active witch in the weapon test in the alliance. After learning about this, even the production of the chemical plant was temporarily put aside, and she made a special trip to watch the research progress of the new shells.
"It does not explode when it encounters the enemy, but falls into the enemy's position," Roland corrected. "This is also a requirement that the howitzer must meet. If there is no insurance to ensure this, the shell may fire at any time. , That would be too dangerous. "
Triggering the insurance is the core technology of the new shell, and it is also the focus of the test.
In order to avoid accidental explosions caused by collisions and missing hands, he has painstakingly set up three insurances.
First, the fuze is stored and transported separately from the shell. The fuze is installed on the spot until it is used. It is shaped like a cone with a handle, about the size of a fist, and its tail is threaded. It can be screwed into the slot at the top of the shell during installation. , Fast and convenient. Since the shells are filled with double-base chemical gunpowder, it is difficult to detonate under the situation without a detonator, which fundamentally guarantees the safety of logistic work.
Following inertial insurance in fuzes.
It is similar to a door lock. Under normal conditions, it is held up by a stiff spring and cannot move. When the shell is fired, the huge inertia will make the lock core sit back, thus engraving the resistance of the spring to pull the latch and release the second. Road insurance.
The principle is very simple, but it ’s not easy to realize. The first two days are basically spent here. If the spring is too hard, the lock core cannot sit back enough distance. The spring is too soft and not safe enough. Relying on Anna and slowly adjusting according to the test shot situation, a more reliable spring compression data was obtained after six rounds of testing.
The last fuse is a centrifugal detonator device.
It is also the most technologically futuristic gadget in the fuze. Simply put, the detonator is embedded in a coin-shaped semi-circular iron plate, which is usually inclined in the center of the fuze and fixed by a spring. At this moment, the firing pin, detonator, and stimulant are not in a straight line. Even if the shell falls from a high place, the firing pin cannot touch the detonator, avoiding the risk of fire. Only after the clamping teeth of the second insurance are released from the lock position, the iron plate can be moved.
Because of the rifling of the gun barrel, the grenade will spin at a very high speed after ejecting from the bore. Under the action of centrifugal force, the inclined detonator will gradually return to the center, similar to the rotating gyro, and the center of gravity will move closer to the center axis. . This process is completed within two to three hundred meters after the vent. In this way, even if the muzzle is blocked or a tree branch covers the head, the warhead will not explode in advance.
When the detonator is fully returned, it forms a straight line with the firing pin and the stimulus. At this time, once the fuze touches the ground, the firing pin will plunge into the detonator, and then the hot gunpowder jet will be infiltrated by the stimulus Warhead warhead, tearing enemies around to pieces.
The advantage of centrifugal insurance is that if the shell fire is ignited, the detonator that lost centrifugal force will be pushed back to its original position by the spring and will become inclined again. This will make the recovery work much safer.
In addition, if the entire grenade is seized or accidentally picked up by the enemy, it will be fired through conventional methods, and it can only be used as a solid shell without sufficient centrifugal force. As for the dismantling of imitations, it is even more of impossible.
"Ready to launch, countdown five times!"
The observer issues a password.
The lengthened pull cable slowly tightened, and the gunner hiding in the trenches recovered the rope a little.
"Fire!"
As the soldiers pulled hard, the ground shuddered instantly.
Severe muzzle winds swept over everyone's heads along with the roar, and Roland felt that a lot of fine soil particles rolled into their collars. You can feel the tremor from the soles of your feet even if you plug your ears.
"Observation point, no explosion, repeat, no explosion."
The Listening Sigil in the hands of Nightingale quickly heard the sound of Lightning.
"Okay, we'll be right there." She took out another piece of magic stone and replied.
"... failed again?" Agatha can't help feeling a little frustrated.
"It is normal to fail when trying to find out," Anna comforted. "Once we have found the right direction, we can ensure that we will not fail again in mass production."
"That's right," Roland patted her head with applause. "And now with the assistance of Asia and Silvie, the development progress has been amazingly fast."
If you put it in later generations, it will not be a matter of thousands of rounds of grenade type tests. If you want to find the problem within two or three, it is no different than fantasy story.
At the position where the warhead landed, Anna first cut the fuse with black fire to ensure the safety of the warhead. Then the soldiers took away the used bombs, whether they were gunpowder or metal bombs, and they could be reused. Naturally, they could not be wasted.
"Asia, it's your turn." Roland motioned to her.
"Yes, Your Majesty," she nodded, exhibiting the replay ability, and instantly a phantom of a cannonball about to fall to the ground appeared in front of everyone.
The magic power level of Asia is still low. After months of training, it can only support four replays. However, by accurately controlling magic power, she can now freeze the replayed frame at a certain moment.
And this kind of playback is a perfect reproduction of the scene, in other words, Silvie perspective can see that the interior of the phantom can not touch, it is no different from the real scene.
This is how Roland solves the problem of spring strength with only eight rounds of shooting. (To be continued., Your support is my greatest motivation.) 17-02-0405: 29: 32