第41章 火箭
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张出恭三人不断将东西摆出来,特别一个架子上摆的似乎还是火箭。龙腾小说ltxsba.com
早前杨河就看到堂中有一个制作箭秆的器械,里面有旋刀,又有一个手柄,将一根木条放进去,摇动手柄,一根箭秆就诞生了。
这种手工器械,在此时算是先进的了。
杨河走到架前,取了一根火箭看,两尺长的桦木箭杆,镞尖为精铁打造,三棱样式,箭镞下不远杆上绑着喷筒,尾羽后还有一个铁端,这是保持平衡吗?
正看着,旁边张出逊的声音:“相公对火箭也有兴趣?”
杨河道:“多有耳闻,这火箭制作难吗?”
谈起自己的专业,张出逊腼腆的神情都少了很多,他说:“别的不难,主要是钻孔。”
他为杨河介绍,依他说的,火箭制作可分几部分,首先是箭杆,可用木料,但要造得好的话,多选用箭竹。
但这边没有箭竹,就用桦木代替,他们有箭杆机,制作箭杆倒很容易。
然后是箭镞,精良的箭镞自然要用精铁,锋长约有四寸,这就需要精细打制了。
箭头制好后,套上箭杆,再配上尾羽,根据箭杆的硬软不同,如何配尾羽也有学问,为保持火箭的首尾重量平衡,使火箭发射后不会东倒西歪,还会在尾端套上铁端,用来维持重量。
杨河点头,听起来一根火箭的制作不容易啊。
而依张出逊说的,此时工匠多少有些力学的概念,比如在尾部套铁,维持重量平衡。
张出逊最后说,火箭最关键部位就是绑在箭杆上的喷筒了。
这喷筒的喷火孔一定要直,才能给火箭带去稳定的动力。
“喷筒?”
杨河看着这里,火箭最难造的部位就在这吗?
张出逊称是,他说喷筒的制作不简单,用褙纸卷成筒,然后填入火药,用力筑实,一定要达到坚实如铁的地步。
再钻孔,这孔更是要钻直,钻斜了火箭发射就是斜的,精良火箭与劣质火箭的区别大多在这里。
而钻孔是非常难的,钻多了钻头就热,热了火药就燃烧,造成伤人事故。
一般喷火孔钻到喷筒的三分之二止,钻深了,会泄火,浅了,箭出无力。
然后孔大可容三根药线,这样火箭就差不多制成了。
杨河听得大开眼界,旁边众人也是叹服,隔行如隔山啊,张出逊不说,很多人可能一辈子也不知道这内中秘闻。
张出逊还说,喷筒造法不单只是钻线眼,还有用铁杆打成自然线眼。
虽然钻者不如打成者妙,但匠人多用钻孔。
钻孔较容易,用打成之法者,多是技艺多年的老师傅。
张出逊现在也只会钻孔。
而火箭制作好后,若是精良,势猛力大,敌见生畏,过于弓弩。
杨河叹服,这才是正统的明朝火箭制作方法啊。
他在后世对火箭了解不多,但想想一代军神戚继光对火箭如此推崇,肯定有其道理。
戚继光称火箭为神器,功不在鸟铳之下,南北俱宜。
比试时更在八十步立把,能平去中者为精,歪斜起落不入把者,就要治其兵,连坐其长。
造法不精,就责其匠。
可见其对火箭的重视。
后世几个外国人搞出节目,试着测试制作明朝火箭的发射,杨河现在只是摇头。
这些人深刻阐述了劣质火箭是怎么诞生的,随便卷个筒,放点药,就以为是火箭?
这样的表现,怕连普通鞭炮工人都不如。
一群不专业的人,搞出的不专业节目。
他取了一根火箭在手,说道:“能试射一下吗?”
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