第1204章 身管的学问
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新鲜出炉的长身管青铜火炮，炮管长约四尺七，整个炮身通过加粗的轴承，安装在铁质的车轮上。最新地址ltxsba.fun
通俗的说，也就是老电影《战争与和平》里，法军所使用的那种火炮，可以十分方便的被四匹或六匹，甚至是八匹驮马拽着走。
整个大军的机动力，对于农耕民族而言，简直就是至关重要的生命线。草原民族对抗农耕民族，其所掌握的最大战略优势，不过是骑射二字罢了。
李中易自从建军之后，一直把部队的机动力训练，摆在了各种训练科目之首，始终不曾动摇过。
如今的大周朝廷，在李中易的掌握之下，西北的战马可以源源不断的输入中原地区，这就在很大的程度上，削弱了契丹人所掌握的机动力优势。
骑的问题算是基本解决了，至于射的问题，李中易手头拥有的两大远程攻击法宝，除了神臂弩之外，有效射程远达五百米以外的青铜火炮，更是收割敌人性命的死神镰刀。
工欲善其事，必先利其器！
美中不足的是，李中易亲自狠抓的燧发枪研制工作，进展依然缓慢如同蜗牛。其中最大的难题，一是枪管的内膛，一是燧石击发机构的选择。
至于火绳枪，军器监倒是集中了全部的力量，搞出了几件样品。然而，成本太过于高昂的火绳枪，目前只能起到装饰品的点缀作用，而无法大规模的生产并普及开来。
不管是火绳*枪，还是燧发*枪，李中易面对的最大难题，归根到底也就两个字而已：枪*管！
别的且不去说它了，单单是钻通狭窄的枪*管，就至少需要四个月的时间，打磨管内膛又需要至少六个月的时间，导致十个月才能造出一支差强人意的长管。
更要命的是，由于冶铁技术不过关，仅有的几根枪管，因为强度不够，在实验中屡屡炸膛伤人。
在管身之上加铁箍或是铜箍，虽然提高了身管的防爆强度，却也直接造成了管身过重的弊端，根本无法投入到实战中去。
方今之计，李中易唯一能够指望得上的火器，也就只有青铜火炮了。
不过，青铜火炮虽然射程远威力大，弊端也十分明显。携带青铜火炮长途移动之时，几百斤甚至是上千斤的重量，全都压在两条车轮之上。一旦遇上了大暴雨的天气，炮车在泥泞不堪的官道上每前进一步，都要付出很大的精力。
炸膛事件过后，李中易召集炮案的工匠老师傅们座谈，大家一起喝着茶水，磕着瓜子，畅谈为何会出现炸膛的根本性原因。
“禀主上，以小人的愚见，之所以会出现炸膛，其根本原因很可能是，加铜箍的力道不足所致。”
翻身做了官员的老工匠潘乙，有感于李中易赐官的恩惠，他犹豫再三，最终还是决定书出他自己的心里话。
李中易一听这话，顿时来了精神，只要有人敢带头说真话，下面的事情也就好办多了！
“有话只管直言。”李中易随手塞了一把瓜子到潘乙的手里，潘乙望着手里的瓜子，不由呆了呆，紧接着泪如泉涌。
“蒙主上如此的厚爱，小人哪怕是粉身碎骨，也在所不惜。”潘乙一边哭一边解释说，“铜性偏柔偏脆，以铜箍捆扎炮管，难免束力偏小……”
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