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第31章 米尼和火帽(1 / 2)

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陈惟中取来纸笔,赵昰便在纸上画了起来,这纸上画的圆锥形带有三个环槽的弹头正是大名鼎鼎的米尼弹。

米尼弹的发明完全改变了前装线膛枪需要营锤子才能装填弹药的历史,一开始的膛线枪,为了弹丸配合枪管膛线,都是需要用通条和锤子把弹丸砸进枪膛,虽然增加了枪膛与子弹间的气密性,射程和精准度大大提高,但是复杂的操作致使线膛枪发射速度奇慢,从而一直未被普及。

米尼的锥形弹头的直径略小于枪膛直径,这样装弹就很方便,只需要和滑膛枪一样,通条顶进去,或和定装火药同时放入即可。

米尼弹头的底部有个圆锥形的空洞,洞中放置一块软木塞,发射时火药燃烧膨胀的气体迫使木塞挤入空洞,导致铅制弹底膨胀,从而咬合紧贴膛线,封闭住弹头和枪膛之间的空隙,使燃气无法外泄,大大提高气密性。

铅制弹头在膛线的作用下高速旋转,从而大大增加子弹出镗后的飞行稳定性,增加了精准度和射击距离,使远距离狙击成为可能。米尼弹解决了前装线膛枪装弹困难,滑膛枪射程精度太低的问题,使得步枪成为了决定战场胜负的关键武器。

赵与珞和陈惟中现在已经都算是半个武器专家了,听完了赵昰的讲解顿时两眼放光,赵与珞激动地说:“如此说来,这膛线枪可万军之中取上将首级。”

赵昰微微一笑,“正是如此,训练有素当可有一百丈之遥。不过枪机,火药什么的还需要改造,这个暂时不急。这水银库中还有多少?”

“官家稍等,我去查看一下。”赵与珞转身翻起了账本,看了一会回答:“库中已无水银,都被陈惟中领走了。”

赵昰一听,斜眼看向陈惟中:“你要如此多水银作甚?炼丹吗?”

“哎哟,官家明察。”陈惟中一脸委屈,“我总共就领了一石多水银,还是官家吩咐的,要把维中枪都镀上白铜,还要把神火炮也镀了防锈。这火炮还没有镀上几门,这水银已经快没了。”

赵昰听完一泄气,这度白铜的事情的确是自己吩咐的,只是没想到这水银只有区区六七十斤的库存,转头又看向赵与珞:“这朱砂水银可着人去采买?”

赵与珞一脸难色,“启禀官家,这朱砂产自川黔如今无法购买。”

赵昰听罢心一凉,完了!这雷工水的火帽暂时是做不了了。

“唉,我太难了……”赵昰叹了口气,“陈惟中啊,你还是要抓紧制造枪管。现在以维中滑膛枪为主。等木匠把镗床都造好了,再慢慢改膛线枪出来,刚才画的那个锥形弹吩咐铁匠做个模具,以后不要再浇铸了,铅很软直接水力冲压就可以,还可以保证弹丸精度。”

“还有神火司这边这个火枪药还要改,赵与珞你去想想办法,把发射用的颗粒火药做成统一大小的藕状圆条,用纸包好,在尾部另外包一点颗粒引火药。这样将来可以配合圆锥弹一体定装。”

来的时候志气昂扬的赵昰,兴致阑珊地走出了火枪坊。一边走一边叹气,“这膛线和米尼弹都解决了,这临门一脚了,水银却没有了。”

身后的冯松听得赵昰叹气便来安慰,“官家何必叹气,等着枪炮造好,我们打回临安便是了,那时候什么都有了。”

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