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第75章 铸造大炮(2 / 2)

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对于这样的历史,刘纬无疑是非常清楚的!要想让中华民族,在汉末三国时代,就能独占鳌头,傲立于世界民族之林,没有强大的军事实力,还是稍显不足!而火炮的研究和使用,是提升军队作战能力和水平的一条快捷通道!

古代火炮,品种繁多,刘纬究竟想要打造一种什么样的火炮呢?他当然恨不得能一步到位,直接造出加农炮和榴弹炮来,可这是不可能的,还得遵循事物的一般发展规律,从最简单的开始做起!

一想起火炮,刘纬脑海中印象最深的,还是那种安放在炮台上的大家伙,比如神威将军炮或红夷大炮等!所以一开始他的研究方向,就是这种前膛填装的原始大炮!可是,在实际研发过程中,却并不比蒸汽机容易,也是遇到了许多困难和麻烦,甚至一筹莫展!

有了铸造锅炉的经验,刘纬以为铸造钢铁大炮,也将是水到渠成,顺理成章的事,可是一试验才知道,自己还是有点异想天开了!锅炉能承受的压力是很大,可是相比大炮发射时,那种突然间巨大的爆炸威力而言,还是小巫见大巫!

刘纬一开始督造的试验大炮,不是强度不够,屡屡炸膛,就是射程太近,炮弹打出去,还没有撒泡尿的距离远呢!这就好像是个恶性循环,因为炮身的强度不够,装填的火药量,就不敢太大;可火药少了,弹丸又根本打不出去!

这章没有结束,请点击下一页继续阅读!当然,这一切的根源,还是因为铸造出来的大炮不够结实所致,但问题究竟是出在哪呢?刘纬也是百思不得其解!后来,他反复检视炸膛的大炮时才发现,原来铁铸的炮身中,有不少大小不一的空心气泡!

一见此状,刘纬有些绝望了!以古代的炼钢技术,这种气泡是很难避免出现的,承受蒸汽气压也许还能过关,可是承受大炮发射时,炮膛内的强大爆炸张力,就不行了!这样的家伙,若用于实战,是打敌人,还是炸自己啊!

马钧见状,提议用铜材铸炮试试!因为铜的韧性,要比铁好得多,同样压强之下,铜炮可能承受力,要比铁炮强些!铜的冶炼技术相对简单,而且,刘纬如今也是富得流油,建宁铜矿每年都有大量产出,若用铜来铸炮,虽然会贵一些,成本也是完全可以承受得起的!

刘纬考虑了马钧的建议,虽有些犹豫,但最终还是同意试一试,可是结果却很不理想,铜炮虽然没炸膛,表现也还不错,就是连打了几发炮弹以后,原本平滑的炮膛内,因为高温已经开始出现融化的迹象,变得坑洼不平!可以想象,若再度发射,炮弹说不定会打到哪里去,甚至会因堵塞而发生炸膛,不能再试了!

至此,刘纬可真是焦头烂额了!他甚至一度痛恨自己,当初为什么要选择文科,导致什么都知道一点,却什么都不精通的局面,面对如此困境,竟然毫无办法,束手无策!

关键时刻,倒是一名普通的炼钢工人,灵机一动提出了一个建议,他说既然铜铁各有优势,不如两者皆用之,不就行了!正是这样一句话,顿时让刘纬眼前一亮,如醍醐灌顶,茅塞顿开!

对啊!明清时期,曾经有过一种铁芯铜炮,它的炮膛是铁的,可以保证在高温之下,不变形;炮身却是铜的,可以保证韧性,防止炸膛!这种结合炮,在当时还曾经被普遍使用过呢!

于是,刘纬大力奖赏了那名工人之后,又与马钧等人,开始致力于研究如何制造这种铁芯铜炮,到最后,终于获得了巨大的成功!

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