弩车是什么时候发明的?弩车的用途是什么?

2025-04-06 21:07:18
推荐回答(1个)
回答1:

大约在公元50年,罗马人设计了一种廉价的投石器(Onager)。跟其他重型机械弩一样,投石器也利用扭曲发条的势能。投石器只能发射石弹,十分笨重,一般不能用于野战,但结构简单,维护保养方便,同样被罗马人大量使用。投石器用于攻城时一般直接在城下装配,尺寸可以不同,但基本结构相仿。杠杆投射方式的射程和精度不能跟前述武器的弹射方式相比,但力量可以很大。和弩车相比,投石器射程只有一半(最多约三百米),但能投射很重的巨石或燃烧弹,投射物的重量可超过一百五十磅(一般弩车不过五十磅),给敌人带来巨大损失和恐慌。投石器和前述其他机械武器的最大区别在于简单可靠,易于制造,投石器对各部件的质量控制要求很低,也不需要什么精良的钢铁零件。因此当罗马衰落之后,投石器和类似的简化武器依然能继续存在,后来广为传播,即便在黑暗时代也没有完全消失。 弩车
  手推弩炮(Cheiroballista)是罗马人发展出来的最后一款机械弩弓,大约设计完成于公元100年,基本设计思想是将弩车的强大性能融入Scorpio那样的纤细结构中,使威力和机动性达到完美平衡。手推弩炮的设计者据说是来自亚历山大的希伦,希伦是那个时代最伟大的科学家和最杰出的工程师,他在数学,几何,光学方面都有卓越贡献。希伦最早发明二次方程解法,这对他的工程设计十分重要,可以籍此很方便地算出许多最佳数值。希伦的机械发明包括最早的蒸汽机,自动门,升降机,等等,他的手推弩炮是古代机械弹射武器的巅峰之作。   手推弩炮减小体积的秘诀在于大量采用金属材料,而且尽可能采用优良钢材。不仅棘齿,制退销,发射开关外层包裹和固件,连扭曲发条和弓臂也全部用钢制作,发条套筒为青铜制成,发条结构为类似巨型抛石器的新型发条。金属部件不仅减小了体积,也极大增加了弩弓的力量和全天候作战性能。手推弩炮像Scorpio一样轻便,易于运输,威力和精确度都远胜过Scorpio。有些手推弩炮底盘上装有轮子,可直接用畜力或人力牵引,机动性更佳,堪称终极古典机械武器。   希伦对自己的设计十分满意,认为这种威力强大的“完美武器”能够“终止所有战争,确保永久和平”。手推弩炮确是冷兵器时代的“完美武器”,但“永久和平”却是不可能的。这些精密机械武器只能出现于繁荣有序,组织和分工严密的社会,三世纪之后,当社会逐渐衰退时,这些昂贵复杂的武器也跟着消失了。   Scorpio是跟弩车差不多同时投入使用的机械弩,一般也被归入弩车,它本质上是一种轻型弩车。为减少体积,便于运输,Scorpio大量采用钢铁部件,结构坚固紧凑。Scorpio威力低于弩车,仅能发射铁头巨箭或标枪,但Scorpio滑动槽很长,发射初速极高,射程和弩车相当,穿透力略逊。Scorpio轻便易用,普通的马车或骡车运载就可直接送上战场。和弩车一样,Scorpio也被罗马军团大量装备。 弩车
  弩车后来发展出有许多不同尺寸的衍生改进武器,最有名的为公元一世纪初开始制造的巨型抛石器(GiantCatapult),为专用攻城炮。巨型抛石器采用创新的新型发条,力量更大,发条被封装在青铜制套筒中,可减少气候对器械的影响。巨型抛石器能高速发射石弹,威力惊人,最大的巨型抛石器能将重量超过两百磅的石弹射出两百五十米远。在后来的犹太战争中,许多巨型抛石器投入作战,用于耶路撒冷等城市的围攻战,效果显著。在攻克犹太人最后的,也是最坚固的堡垒马萨达时,巨型抛石器持续的猛烈轰击使得近千名犹太守军丧失抵抗意志,选择了集体自杀。

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