头盔0距离(0距离系列)

在外国网站上看到一篇题为“The Helmets O' Truth”的文章,一美国人自己在靶场试验美军的凯夫拉头盔的防弹性能。个人觉得很精彩,就偷偷的转贴过来了。


The Helmets O' Truth

真实的头盔


Several people have asked me to shoot a new Kevlar helmet. My old buddy Ponyboy finally found a couple and sent them to me to test.

有人要我射击一件新式凯夫拉尔头盔。我的老伙计Ponyboy最后找到了两个并且送给我做这个测试。


Before we start, let me explain that we are not conducting "scientifically valid" tests on these brain buckets. It is my understanding that the military requires these helmets to withstand a round of 5.56 Ball at 200 yards. I am not certain of all the parameters, but it doesn't really matter, because I will not be repeating their tests. They already do that one and the helmets passed. We'll do something different.

在开始试验前,让我解释一下,在军事上要求这些头盔能够抵御200码外射出的5.56口径的子弹。我们把头盔扣在水桶上的试验不是在“有效的科学方法”指导下的行为。我并非要验证上面的参数,这个不重要,因为今天我想要干点别的。


Helmets are mostly designed to protect against shrapnel. I don't have any hand grenades, but I do have some handguns. Today, we're going to shoot the helmets with some common handgun calibers and see if they will be stopped.

头盔主要是设计用来抵御榴弹破片伤害的。我没有手榴弹,不过我有一些手枪。今天,我们会使用不同口径的手枪来射击这些头盔,看看这些头盔是否能防得住。



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First, the set-up. We will be shooting from about 25 feet.

首先,设定距离。我们会在大于25码(22.86米)的距离射击这些头盔。


I've placed the helmet on a gallon of water, just to catch anything that penetrates the helmet.

我在头盔里面的水桶中加入1加仑(3.785升)的水,这样就能留住穿透头盔的东西。


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We'll start small.First a round of .22 Long Rifle.

我们从小口径开始。首先是一发.22 Long Rifle.(注:.22 Long Rifle是是一历史悠久的底缘底火式(Rimfire)子弹,是一种休闲射击运动子弹,手枪步枪都能用。狩猎用来打老鼠,兔子或者狐狸。口径是.22英寸,就大概是5.56mm,初速340米左右。一小盒50发,在美国2007年的售价不超过2美金/小盒。)


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It made an exterior hole in the helmet...

打了一个小坑……


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...but didn't punch through.

……但没有射穿。


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Next, a round of 9mm Ball from my Browning Hi Power.

然后,我的Browning Hi Power(注:Browning Hi Power,勃朗宁大威力手枪,发射9X19帕弹)来一发9mm的。


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It also failed to punch through even one side.We were a little surprised.It only made a bulge on the inside of the helmet.

让我们惊喜的是,依然是一面都没有被射穿,仅仅是在内部鼓起了小小的一块。


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How about a round of .45 ACP Ball from my Kimber?

用我的金伯1911来一发.45 ACP会怎么样呢?(注:Kimber,一家订做半手工M1911的公司,Kimber1911算是射击比赛的入门级配置。这老头是个有钱人。)


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Tman caught the water jug falling, but it wasn't punctured. Again, a big bulge on the inside, but it held.

Tman把水桶射倒了,不过头盔依然没有被穿透,内部鼓起了一大块,(头盔还是)顶住了。


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Let's raise the bar a little.A round of .357 Magnum, 158 grain JHP, out of my S&W Model 27, with an 8 3/8ths inch barrel.

让我们小小提高一点威力。一发.357(9mm口径)口径强装药子弹,158格令(10.2克)JHP弹头,8又3/8英寸(没算错的话212.725mm)枪管的S&W Model 27左轮手枪。


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We expected this one to make it through, but no joy.Tman caught the helmet in the air, as it bounced a few feet in the air.But when we checked it...It didn't penetrate even through one side.These things are pretty tough.

我们预计这东西能射穿,但惊喜的是没有。头盔被打得跳了起来,飞开了几英尺。我们检查的时候发现,设置一面都没有被射穿。这东西相当强悍。(JHP的穿透力恐怕比FMJ要差很远,但.357怎么说都是强装药子弹,弹头也够重,也算说得过去吧。不过还有下文,继续看。)


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Several folks, me included, were surprised that the .357 Magnum didn't penetrate the helmet.So, I decided to give it another try.I loaded up some .357 Magnum, 125 grain JSP (Jacketed Soft Points) to top velocity.I loaded a maximum charge of Blue Dot to give this bullet it's best effort.Here I am shooting it. Ear splitting muzzle blast.

我们几个,当然包括我自己,都惊讶.357强装药子弹都不能穿透这头盔。那么,我们决定再来。我装上另外的几颗.357口径强装药子弹,不同的是使用125格令(8克)的JSP弹头,这种弹头能初速提到最高,这几颗子弹里我装了最大量的Blue Dot无烟发射药,这样能使子弹达到最好的效果。然后,我就射击,震耳欲聋。


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It didn't penetrate, but did something surprising.The spall that blew out the back caused the water jug to leak.Look at the water jug in the picture.That hole was caused by spall blow-out.I then tried my best effort, a 158 grain hard-cast, gas-checked SWC at maximum velocity.Loaded Hot!

没有被穿透,不过有些新发现。头盔背后爆出的碎片把水桶打的漏水了。看看图片上的水桶。那个洞就是被碎片打穿的。(字面上spall是碎片的意思,但图片中头盔内部并没有破损的地方。疑惑中……)然后,我尝试了我的最大的尝试,最高速的一颗158格令硬铸,铜气罩半靶孔弹头。热装!!(哗,传说中的手装弹!!还是那种用模具铸造出来的手工弹。)


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It made a huge bulge in the helmet, but still did not penetrate.When we got home, we used a Dremel tool, razor knife, and pliers to try to peal back the kevlar to find the bullets, but after about 15 minutes of cutting, we gave up.One thing for sure, the bullets weren't even close to penetrating the helmet.Now, with the 125 grain JSP, the helmet was in contact with the water jug and the spall caused a hole in the jug. But it did not penetrate the helmet.

头盔内部鼓起一大块,还是没有被射穿。我们回到家后,用一把Dremel tool(一个工具的牌子,主要是电转,电螺丝刀之类的),一把剃刀,和钳子来回的切割凯夫拉,希望能找到子弹,不过15分钟后,我们放弃。但至少有件事是很清楚的,弹头造成的效果离射穿头盔还很远。现在,用125格令的JSP弹头,能在跟头盔内部紧挨着的水罐上开个洞,但依然不能射穿头盔。


Bottom line: These helmets are tough.

结果显示:头盔是强悍的。


偶查了一晚上字典,先休息一会。下面还有继续。




本文内容于 2008-10-8 1:57:48 被sanpan编辑

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