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第二十八章 技术的改良与创新(1 / 2)

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面对陈雨的疑问,林阿福笃定地回答:“焊接自然不如一体的铳管结实,不过小人的手艺保证比其他人要牢靠,这也是当年我和我爹在军中安身立命的本钱。至于加长,当然不会再加同样长的铳管,要短一些。以前军中的总爷们说,铳管长,就打得远,都说越长越好,所以咱们都是这么打制鸟铳的。”

“加长会炸膛吗?”这是陈雨最关心的问题之一。

林阿福愣了愣,迟疑着回答:“炸膛是难免的,只是多久炸膛的问题……铳管才一层,这么薄,肯定容易炸膛,不过与长短似乎没有太大的关联……”

陈雨摇摇头:“容易炸膛的鸟铳,要来何用?铳手如果时刻都要担心被炸伤,又怎么放心地使用?”他琢磨着,既然说铳管的管壁薄是炸膛的重要原因,那么加厚不就成了?

“有没有办法把铳管做厚一些,减少炸膛的几率?”

林阿福回答:“小人用的是熟铁(注1),想要捶打成浑圆一体的铳管,就不能再厚了,太厚没法卷成圆管……”

陈雨陷入了沉思,来回踱步。

他虽然是文科,但是基本的物理学知识还是超出古人一大截的。他仔细想了想,身管武器的长度或许与射击的射程有一定的关系,但是对威力的影响应该有限,真正影响弹丸初速度、穿透力的,应该是火药的推力。只要在材料允许的范围内增加火药的剂量,增加气密性和膛压,那么相对较短的铳管也能制造不错的杀伤力。

至于射程,谁在乎?没有膛线的前装枪,射击精度极其感人,打得远又有何用。电影里使用前装滑膛枪的欧洲士兵们,不都是用紧密的队型、密集的齐射来弥补精度的不足吗?而且这个时代的两军交战,貌似都是靠近到了目视能够看清对方五官的距离才开枪的,武器的可靠性、中短距离的杀伤力才是需要追求的目标。

想通其中关节后,他停下脚步站定,不容质疑地说:“铳管不用加长了,就保持现有的长度。再说了,焊接的再精细,终究不如一体的结实。另外,不管你用什么办法,加厚铳管——别的我都可以忍,唯独炸膛不能忍。”

林阿福瞠目结舌:“不加长铳管,还要加厚?”他对自己的手艺很自信,可是改变了自幼沿袭的工艺流程,他就有些无所适从了。厚厚的铁料该怎么卷成均匀的筒状?不光是他,其余的工匠也被难住了,优良的锻造性与铁料的厚度是互相矛盾的,该怎么解决这个难题呢?

这时林继祖不知道从哪个角落里钻了出来,兴奋地说:“我知道怎么办。把同样厚的铁料裹两层,不就行了?”

林阿福眼睛一亮,对啊,在钢芯上卷好第一层后,再接着卷第二层,这样厚度就加倍了。

陈雨也击掌叫好:“好主意!这样第一层的结合处被第二层包裹覆盖,就相当于无缝焊接了,妙极!”卷制铳管时,即使手艺再好,连接处还是焊接的,仍然有炸膛的隐患,用第二层覆盖,形成复合体,就结实太多了。

他赞许地拍了拍林继祖的肩膀:“做得好,给你记一功。这个月给你再加一钱银子。”

林继祖憨厚地笑着,摸了摸自己的脑勺。

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