第二百零二章:雨季到来
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弩炮没什么好稀奇的,早在公元前399年希腊人就已经造出来了,南郡的弩炮的弩炮有齿轮有滑槽,希腊人的弩炮能将二十六公斤的石头打出将近两百七十米,南郡的弩炮最远攻击范围多了一倍,而且石头才不会那么有菱角的石块,会是一种圆乎乎一滚就能滚出尸山血海的玩意。
吕哲不是发明家,但是他清楚后世一个小玩意到了现在都是一次发明。说实话,他也是思考了很久才拿出那些货色,毕竟很多东西在不一样的时间拿出来不会有助益甚至可能成为祸害。比如现在拿出马镫来,受益最大的会是草原的胡人。比如现在又弄出抛石车出来,那么就等着中原地区的天空到处都是石头在飞吧,那时候南陵城坚固的城防将会成为最大的笑话。
好吧,其实是有了弩炮就不想造抛石车了,弩炮的制造技术含量高,想想那种几十上百个零件组装起来的复杂产物,想仿造没有图纸几乎是不可能。抛石车的射程有一个定量,车身越大攻击范围越远,但是也代表它的构造会变大,会使人看去一目了然,熟悉军事器械的匠师想要仿造起来十分便利。
会造出弩炮其实也有一个偶然的原因,无外乎就是吕哲某次视察的时候看见匠师在鼓弄床弩,然后多说了那么几句,又解释一下弹簧啊、齿轮啊之类的搭配,还有什么绞轴、什么弩身的凹槽之类的构造,大概一个月之后几个匠师跑来领赏了。
吕哲到达越城时没有大张旗鼓的进行召集什么的,他查看一下制作坊和铜锭储藏仓库就来到武器试验场地。
远远看去,吕哲看见梅鋗和几名士卒正在为一架看去有些庞大的床弩装载粗大的弩箭,而似乎已经不止装载了一杆?
等待他们将十五杆粗大的弩箭弄严实了,梅鋗亲自在绞动那个足有壮年男子手臂的绞杆,“咔咔咔”和一些筋绳的搅拌声持续了有一会,梅鋗拿着一个锤子就敲在床弩的装置上面,刹那间一声响动,而后十五杆粗大的弩箭发出呼啸声激射曱出去。
呃,唐宋时期才会出现的多射床弩?看着有些相似,不过梅鋗摆曱弄的拿东西看着有点难看,没有唐宋时期的那么美观。
呼啸的飞了两百余米的时候一头撞向地面,弩的箭杆足足插进去了三分之一,箭身的颤动只是持续一会就停止了。
多装车弩,唐朝时期可以装载五杆,射程在五百步左右。宋人的弩箭要小一些,一次可以装载三十多杆弩箭,射程大概是四百步,而似乎听说还有火曱药助推器来着?
梅鋗要丈量射曱出去的弩箭时看到站在远处的吕哲,他向士卒招呼了几句什么,整整衣装赶紧过去。
秦军也有床弩,最多可发三箭,射程最远可达七百步。秦军的床弩样式也有很多,最普遍的是一种需要七个人进行操作床弩,可以野曱战也可以用来守城。还有一种需要用马匹或者牛拉动床弩,射程按照现代的米来计算更是多达一千八百余米,在统一战争中被广泛使用。
南郡的单射床弩射程其实也能有一千米,准头上也要比秦军的床弩差上一些,吕哲所不知道的是这个越城什么时候造出可以装载十五杆弩箭的车弩,而射击距离怎么才两百米?
“郡主!”梅鋗似乎有些不好意思,他见礼过后引着吕哲走向车弩,“好像是拉弦上有问题。这个,呵呵,所以距离才这么近。”
吕哲走近了一看,床弩被装了两个轮子,正是因为这样导致仰角被放低了,而似乎弓弦的选用依然是牛筋的一种,常常被拉得延长肯定会造成松弛,要是能射得远那就真的奇怪了。
“改进一下,战车就该有战车的样子,车轴不要与弩本身有接触,加上必要的车床,然后用弹簧来减少颠簸的震动。另外这玩意的臂弓太小,弩箭太粗太大又不够长。应该加大臂弓,减小弩箭的杆括弧,加长箭身。还有,底部应该装载高低调试器,充分利用括槽来调整射击的仰角。车轴也应该改进一下,使车弩能够用很少的力气做到转向。最重要的是……”吕哲咧了一下嘴:“别忘记加上结阀和卡槽。”
梅鋗已经听懵了,旁边的几个匠师却是两眼冒光。
匠师不顾吕哲在场就扑向车弩,他们对每发射一次车身就会被震得向后退早就觉得是一个缺憾,那么有了阀和卡槽不但还能以后震的动力才减少车弩本身的摩擦力还能控制住距离,到时候再向前推一下使卡槽归位是一个不错的主意。另外呢,有匠师已经在想,是不是能利用卡槽和阀的装置结合车轮来进行上弦的动作。
看看,其实也就那么回事,古人不是笨,就是没有想那么多而已,只要打开一扇窗户当代的人就能给凿出一个门出来。RS
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