第四百一十八章 铜铁合金大炮(1)
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第四百一十八章铜铁合金大炮
但在这个冷兵器时代,进行冷兵器的技术改良却是绝对可行的。更多小说ltxsba.com这个时代的军队战斗力,主要是群体上阵冲杀,并不取决于军卒个体的战斗力,或者说,单兵作战能力是最可以忽略不计的。
从很久之前,甚至是在夏邑练兵期间,孔晟就秘密开始了火器的研发。之前是对于火药的试验,经过了上百个配方的试验,孔晟终于掌握了目前所能做到的极限——将传统的黑火药进行改进,大大增强了其爆炸力。
对于火器的使用,其实唐时就有了。但大多数停留在火箭等小型单兵使用武器方面,这种火器简陋且发射周期很长,很难抵挡对方骑兵快速的冲击,在战争中所能发挥的作用真的是有限的。
所谓火铳火枪之类,在孔晟看来,杀伤力实则有限。主要是没法形成工业化规模制造生产,无法装备全军。他没有本事将冷兵器时代彻底过渡为热兵器时代,当前的军事战争还是要以冷兵器战阵冲杀为主。
于是他早就确定研发火炮的思路。
而对于火炮的研发,早在他进入长安获封为长安候以后就开始了。他名下诸多产业蓬勃兴旺,而所得财富至少有半数被他秘密用在了火炮的研发上。
长安侯府在城外山中有一座庄园,这座庄园就是孔晟的秘密火器作坊和火炮研发基地。如今这座庄园被禁军士卒牢牢把守,没有人知道这是什么所在。
哪怕是孔晟麾下的部将,也不知孔晟的真正意图。
实际上,火炮在距今不远的宋时就出现了,而再往后,元明时代,古代火炮的铸造到达巅峰。孔晟甚至能想象得出,如果自己能提前数百年将大炮研发出来,其杀伤力绝对可以称之为大杀器,作为他在这个时代安身立命的又一筹码。
孔晟让乌显乌解两人招徕了数十名民间的各类能工巧匠,木匠、铁匠、火药师傅等等。这些工匠夜以继日按照孔晟的思路要求,进行试验摸索。
孔晟借鉴后世加农炮和元明火炮的优点,确定了孔氏火炮的图纸。
其难点在于炮管的铸造。
火炮的炮管长,管壁很厚,而且是从炮口到炮尾逐渐加粗,符合火药燃烧时膛压由高到底的原理;在炮身的重心处两侧有圆柱型的炮耳,火炮以此为轴可以调节射角,配合火药用量改变射程;设有准星和照门,依照抛物线来计算弹道,精度很高。他要研发的大炮长在3米左右,口径110-130毫米,重量在2吨以上。发热时将弹丸装进炮管,先点燃引信,后点燃炮管内,弹丸达到目标后爆炸。
其作用原理是将在管膛内燃烧的能量转换为弹丸的炮口动能以抛射弹丸,同时产生声、光、热等效应。
但一个搞不好,就会炸膛。
这对于炮管的材质提出了更高的要求。
以现在的冶炼功业水准来看,孔晟知道用钢铁铸造炮管不太现实。最好还是用铜。
只是当前的铜为稀缺金属,开采量不高,多数用为制钱,为官府管控资源。
根据孔晟从户部和工部得来的消息,当今中原地区有铁矿104处,铜矿62处。铜的年收入量约26万斤,这是官府税收统计数字,实际产量可能大大超过。
唐代在武德四年开始铸钱,到现在的乾元元年拥有铸钱炉99座,都设在产铜地区。绛县一地的铸钱炉相当于全国的1/3,表明中条山铜矿区开采极盛。唐代铸钱炉,每炉每年可铸钱3300缗,需用铜21200斤,锡500斤。按99炉计算,每年用铜约210万斤,锡5万斤。
孔晟很难从户部和工部乃至国库中调拨到自己所需的大量资源,只能通过民间渠道进行收购,所得材料只能勉强够铸造出一两门火炮来。
孔晟思之再三,再三权衡,命令工匠先试验铜铁合金。孔晟虽然不是工艺机械师,但掌握科技常识,知道铜和铁的融化温度相差不大,都在1200度左右,它们完全可以相容。具有优良的导电性、导热性、延展性和耐蚀性,结合了铜和铁的优点,既有铜的韧性和质量,又有铁的硬性和脆性,只要寻找到一个合适的结合点,熔炼出来的铜铁合金一定可以铸造炮管。
一个月前,经过了数百次的试验,工匠们终于熔炼出最佳配方的铜铁合金了。
因为试验完全是在孔晟的主导和监督下展开,所以配方确定之后被牢牢掌握在孔晟一人手里。而孔晟对于参与试验的工匠采取了分流程、分步骤作业的管理方法,每一个岗位和每一个环节上的工匠都只知自己所在的岗位工艺要求,严禁串通交流,没有人掌握全局工艺。
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