第137章重奖工匠激潜能,系统签到获良技
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有效攻坚火力而陷入被动。而铁模铸炮法的出现,恰好完美解决了这个难题。
朱慈烺对明末的铸炮工艺有过深入了解:当时大明主要采用的是“泥模铸炮法”。先用水、泥、稻草混合制成火炮模具,待模具彻底烘干后,再将融化的金属熔液倒入模具中。这种方法看似简单,却存在诸多致命缺陷:首先,泥模必须彻底烘干,否则内部残留的潮气在金属熔液浇筑时会受热膨胀,导致铸出的火炮炮身出现蜂窝状孔洞,这些孔洞会大幅降低炮身强度,燃放时极易发生炸膛,不仅会损毁火炮,还可能误伤己方将士;其次,泥模烘干过程受天气影响极大,遇到晴朗天气至少需要一个月,若是遇上阴雨天,烘干时间甚至要延长到两三个月,严重影响火炮生产效率;更关键的是,一具泥模只能铸造一尊火炮,铸完后模具就会因高温而碎裂,无法重复使用,既耗时又耗力,生产成本极高。
可“铁模铸炮法”却完全不同:它以耐高温的铸铁为模具,不仅工艺简单,模具还能反复使用数百次,大幅降低了原材料消耗和生产成本;更重要的是,铁模不受天气影响,无需漫长的烘干过程,从模具制作到火炮浇筑完成,周期能缩短到原来的十分之一,效率提升极为显著;而且,铁模表面光滑,浇筑出的火炮炮身密度更高,没有蜂窝状缺陷,质量远超泥模铸造的产品,使用寿命和安全性都能得到极大保障。
有了这种先进的铸炮技术,大明就能在短时间内打造出大量优质火炮,无论是组建炮兵部队对付建奴的骑兵,还是攻坚攻城时摧毁敌方防御工事,都能占据绝对优势,甚至能彻底扭转大明在重型火器领域的落后局面。
至于“无烟火药”,其重要性更是不言而喻,堪称火器发展史上的“革命性突破”。之前朱慈烺曾从系统兑换过“火药改进技术”,里面虽提到过无烟火药的概念,却没有具体的配方和生产工艺,赵元华等工匠研究了许久,也只能在黑火药的基础上小幅改进,始终无法研制出真正的无烟火药。如今有了完整的配方和规模化生产工艺,一旦成功研制,大明的火器性能将实现质的飞跃。
无烟火药与传统黑火药相比,优势极为明显:首先,它燃烧时几乎不产生烟雾,不会像黑火药那样在燃放后产生大量黑烟,遮挡将士们的视线,这在战场上能让士兵更清晰地观察目标,提升射击精度,同时也能避免因烟雾暴露己方位置;其次,无烟火药的能量密度更高,燃烧速度更快,能产生更大的推力,大幅提升火枪的射程和火炮的威力。据朱慈烺所知,使用无烟火药的步枪,有效射程能比使用黑火药的步枪提升一倍以上,火炮的射程和杀伤力也能提升三成左右;此外,无烟火药燃烧后残留的杂质极少,能大幅减少枪械和火炮的磨损,延长武器使用寿命,降低维护成本。毫不夸张地说,有了无烟火药,大明的火器技术至少能领先世界一个世纪,彻底拉开与建奴、甚至西方列强的差距。
而“水泥生产工艺”,虽然短期内对军事的直接帮助不如前两项技术,但对大明的长远发展同样至关重要。如今北方多地遭遇严重干旱,粮食绝收,百姓流离失所,大量流民甚至被迫加入流寇,加剧了社会动荡。有了水泥,大明就能大规模修建水利工程。修建坚固的水闸、疏通淤塞的河道、修建水库储存水源,甚至可以引黄河水灌溉中原和西部地区的干旱农田,从根本上改善当地的农业生产条件,解决粮食短缺问题;同时,水泥还能用于修建坚固的城池防御工事、铺设道路,提升军队的机动能力和城池的防御能力,其战略价值同样不可估量。
不过,这些长远规划还需循序渐进,眼下最要紧的,还是先解决京畿地区的建奴威胁,守住大明的都城。朱慈烺清楚,如今的局势并不乐观:阿济格率领三万多大军驻扎在宝坻,对京师虎视眈眈;阿巴泰虽然在德胜门外惨败,损失了不少兵力,却仍有一万多残部盘踞在周边地区,随时可能卷土重来。
建奴总兵力虽不算特别多,只有四万余人,但他们面对的大明军队,大多是像之前京营那样战斗力低下的“战五渣”,不仅缺乏训练,还毫无斗志,往往一触即溃,根本无法形成有效抵抗。想要真正击退这四万多建奴,目前能依靠的,只有东宫卫队和勇卫营这两支精锐。可勇卫营在德胜门之战中伤亡不小,兵力大幅缩减;东宫卫队满打满算也只有一千人,虽然战斗力强悍,却也面临“寡不敌众”的困境。仅凭这点兵力,想要打赢这场保卫战,难度极大。
朱慈烺从不打没有把握的仗,他深知“一步一个脚印、夯实基础”的道理,而先进的武器装备,就是当前最需要夯实的“基础”。他从怀中掏出两张折叠整齐的纸张。这是系统自动生成的铁模铸炮法和无烟火药配方工艺图,上面的文字和图纸清晰易懂,即便是普通工匠也能看懂。朱慈烺将纸张递给一旁的赵元华,语气郑重地说道:“赵工匠,这张纸上记录的是改善火药性能
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