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第三十七章 膛线与火枪(2 / 2)

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不仅仅是为了维护大宋的铸币权,同时也是为了获得原料产地。

中原自古缺铜,但在西域,在南亚,尤其在印度,铜还真不是特别稀缺的金属。

如今大宋的局面是,越向外扩张,越有利于巩固自己的军事霸权。

赵桓面带微笑,对岳飞说道:“当然不会让卿只带着火炮就出征,朕还为卿准备了另一种利器。”

沈耽一挥手,工匠们立即抱着一柄火枪走了上来。

历史上第一把火枪的发明时间是1128年,而如今是1133年。

在赵桓的干预下,火枪的问世时间足足晚了五年。

但科技水平却整整提升了一代!

从突火枪,变成了火绳枪。

最主要的变化就是材质大不相同,如今赵桓拿在手中的这把突火枪并不是以竹竿为材料,而是以实木为材料,枪管则以钢铁为主。

但这根枪管可不是泥模打造的,而是工匠一锤一锤敲出来的。

沈耽向赵桓介绍道:“为了打造这枪管,工匠是以铁挺一条,粗如木箸者为冷骨,然后裹上烧红的铁锭,锤制而成。”

这是个纯手工活,没有任何技术含量。从第一代枪管,到二战,工艺一直是这样。

“枪管被锤合在一起相对简单,关键则是使其枪管内部光滑白净,没有铁屑。为此工匠又设四棱锥约箸(筷子)粗细,透转其中,使极光净,则发药无阻滞。”

赵桓后世学的不是机械专业,还真不清楚原来打磨抛光,只要用四棱锥高速旋转就能完成。

可能是为了保证枪管不炸膛,赵桓手里的这把火枪非常具备原始感,表现为一个又粗又长。

枪管大概有足足有三指粗,估计口径得有三十毫米,几乎可以称为火铳。

枪长五尺,枪管独占四尺有余。什么概念,一名皇城司亲从官也就堪堪五尺多一点,这火枪几乎与士兵奇高。

至于点火,那就非常简单了。其原理跟大炮一模一样,扣动扳机,让绑在扳机前面的火绳落下来,直接接触火药,引燃发射。

鸟铳得名,就是因其点火结构在点火时如鸟嘴啄水。

一排工匠端过来二十把火枪,每个人右臂上都缠绕着足足一米多的火绳,火绳前端绑在链接扳机的夹子上。

看到这一幕,赵桓顿时莞尔,这真是把火绳枪的特点演绎的淋漓尽致啊。

不得不说,在皇权体制下,所有人都是绞尽脑汁地去体会圣意。

赵桓一句火绳枪,整个火药作坊就竭尽全力朝着这方面靠拢。引火方式,必须是用缓慢燃烧的麻绳。

“试枪吧,让朕看看这火绳枪到底有几分神韵。”

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