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第184章 投石机与火药(1 / 2)

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吴梦继续一声不吭的看了投石机的制作流程,投石机大部分为木制,广备攻城作的作坊使还是很有头脑,将木头在城外用水力锯床按照图纸裁剪好,再运到作坊组装。

投石机采用的是费力杠杆的原理,一根长长的杠杆架设在投石机顶端的圆轴上,长柄处即为投石端,安放有装石块的网兜,得要几十人拉动短柄才能抛出几十公斤的石块,也仅能抛个一两百步远。

吴梦站在投石机旁捏着下巴想了想,这玩意太费劲了,还是改成回回炮比较合适。

回回炮其实也是投石机,不过是巧妙的借用了重力而已,在短柄处装有巨大的配重块,用滑轮将长柄拉下装设石块,松开抱钩,巨大的重力旋转杠杆将石头抛出,要是想抛的更远,可以人力重力一起上,力量更大。

若是结合弹簧还可做成重力弹簧混合抛石机,不过十年内大宋需要和平发展,暂时不必搞那些复杂的装备,够用就好。

吴梦想好后说道:“刘副使、周判官,投石机需要改进,此类投石机便不要再用了,在下画出图纸,你们依葫芦画瓢即可,在下这投石机可将一百多斤的石头抛出三百步以上,还无需几十人拉动。”

刘锴狂喜,忙问道:“吴先生还有此等神兵利器,不知是否还需要台湾的材料。”

吴梦道:“暂时不用吧,台湾的钢材产量也有限,投石机上抛物杆转轴处需安装两个巨大的轴承,三司可自行打造,这几年大宋不会攻城略地,用台湾的轴承纯属浪费,到时有征战了再更换不迟。”

吴梦忽然想起了火药,忙问道:“抛石机还可抛出火药包,周判官没有试过吗?”

周嘉正呵呵一笑道:“吴先生也知道火药啊,如今大宋的火药可是声振寰宇,威力巨大。”

丁睿哂笑道:“周判官,那新式火药是我与师父一起弄出来的,后来由孙副使将法子献于朝廷,如今苏州鞭炮官坊可是赚的盆满钵满。”

周嘉正闹了个大红脸,正尴尬间,刘锴道:“既如此,今日天色不早了,明日还请吴先生再瞧瞧其他几个作坊,今晚三司做东,请吴先生吃酒。”

丁睿道:“师父,我就不去吃饭了,明日得去弓弩院上课,我现在先进宫去找陈坤。”

吴梦点了点头道:“去吧,早去早回。”

刘锴带着吴梦一行来到了开封城最大的酒楼之一--潘楼,此处的街道就叫潘楼街,可想而知这酒楼的规模。

进到酒楼内,掌柜的连忙亲自出来迎接,迎向后院的雅座,沿路时不时有朱紫官员打着招呼,吴梦感叹道这官场吃喝风真是自古就有,大宋朝廷每年不知多少钱财丢进了酒楼。

不过大宋朝廷也精明,与其让别人赚不如让自己赚,索性大酒楼都搞官营。

进了阁子,刘锴点好菜食,笑道:“孙副使告诉在下,吴先生的庖厨之术也是天下无双,可不要嫌弃潘楼的酒食,吴先生若是有闲暇,不妨也指点一二。”

吴梦道:“过奖了,庖厨之术各有专长,并非炒菜就是天下第一。”

菜食上桌,吴梦吃了少许,潘楼的炒菜确实差点火候,估计还是那铁锅太厚,没法爆炒,便对刘锴道:“此处炒菜的铁锅太厚,炒菜要爆炒,铁锅太厚传热太慢,改成薄底铁锅味道更佳。”

刘锴不禁笑道:“受教了,想不到这庖厨之术还有如此多的讲究。”

吴梦正色道:“刘副使不要小看这天下各行各业,那可是有各种学问在里面。”

吃过晚饭,回到迎宾馆,丁睿也回来了,正在和景灵聊天,吴梦问道:“陈坤那处如何说,太子同意否?”

丁睿道:“太子同意了,太子和陈师兄早就在城外弄了个三才工坊,打造那些什么滑轮吊杆、轨道车、球磨机之类,生意好的很,赚的钱都拿去赈灾了,太子和陈坤作了许多改进,尺寸标准也是统一的,比三司的工坊高明多了。”

吴梦奇道:“那为何太子不把这些法子传给三司?”

丁睿笑道:“太子说是入内侍省都都知陈琳交待的,怕那些道学师父们责怪他不务正业,所以严禁蔡伯俙、杨文广他们外传。”

吴梦摇头叹息道:“这些儒士们啊,只知道一味读死书,儒学探讨的人生哲理岂是读死书能有收获的,孔圣尚且知道周游列国,不但传播学说,也增长见识。如今天下日新月异,当与时俱进,他们怎么老是喜欢从故纸堆里去寻找人生至理。”

丁睿问道:“师父,你不是一直想写本儒家典籍么,不妨早些写出来,也好施教天下。”

吴梦苦笑道:“师父也得有分身法才成啊,你安排师父弄蒸汽机,又想要师父写书,师父可不是孙猴子。”

丁睿向着景灵调皮的吐了吐舌头,告辞出去了,景灵问道:“今日去了工坊,累不累?”

吴梦道:“累倒是不累,你白日里一人呆在迎宾馆,不闷么?”

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