第448章:铸个钟吧(1 / 2)

别叫我歌神 君不见 1093 字 2022-09-29

2600年前,中年发福的齐桓公,坐在自己的宝座上耍脾气,闹幺蛾子:

“来人呐,给我……不对,给孤把天下的钟匠都召集来,孤要铸钟,谁也别拦着我!”

呸,不给钱了不起啊!老子有的是钱!

铸钟还需要允许?

老子爱铸多少钟就铸多少钟!

信不信我可以敲钟从你的出生敲到头七!

没钱了,没钱孤就发兵打山戎,再没钱了孤就去打狄人!再没钱了孤就去伐蔡国,再没钱了孤就去伐楚国!

四周打一个遍,就不信没钱!

让卫国给孤进贡!让楚国给孤进供!让鲁国给孤进贡!让宋国也给孤进贡!

旁边,鲍叔牙和管仲都摇头无语,不就是铸个钟吗?多大事儿啊,哪家王公大夫,家里没有几口编钟咋滴?

若是铸几口小钟,招来冬官凫氏也就够了;若是多铸几口,这临淄的钟匠也便够了。

但是谷小白不满意:“我要铸许多许多的钟!要快!”

他们刚刚把临淄的铜匠召集起来,谷小白又出了幺蛾子:“孤要亲自去铸钟,国事?国事交给管仲去管,孤不管,孤就是要铸钟!”

“我要铸双音钟,要频率精确到1hz的双音钟,来来来,把凫氏给我招来,孤和他唠唠嗑!这个板震动的基频公式懂不懂,fn等于πh除以r的平方的二倍,再乘以根下……这个壳体震动,和壳体的厚度成正比,与椭圆长轴的平方成反比……这些都要记下来,要考的!”

敲黑板!

凫氏:“请君上把臣砍了吧!”

“这什么鬼玩意儿,臣才不要学……真香!”

故《考工记·凫氏》记载:“凫氏为钟……十分其铣,去二以为钲……以其钲之长为之甬长,以其甬长为之围。参分其围,去一以为衡围。参分其甬长,二在上,一在下,以设其旋。薄厚之所震动,清浊之所由出……是故大钟十分其鼓间,以其一为之厚;小钟十分其钲间,以其一为之厚。钟大而短,则其声疾而短闻;钟小而长,则其声舒而远闻。为遂,六分其厚,以其一为之深,而圜之……”

这么一段科学论述,一直到现代,都堪称是最先进、最完善的关于编钟的技术论述,是现代社会之前,编钟技术的制高点。每一个看到这段论述的人,都会惊叹,如此精湛而精确的论断,竟然是在两千多年前出现的,古人的智慧,真是令人难以置信。

某位泪流满面的凫氏,大概可以作证,这真的另有隐情。(小说情节,切勿当真,中国古代许多技术成就真的是超级牛逼……)

秦朝之后,中国历史上,编钟的铸造技术数次断绝,每当技术断绝,科学家和工匠们,都会翻开这本先秦的技术宝典,求问某位先秦凫氏的智慧,然后将其再次复原……

直到现代,现代人根据这段论述,加上现代科学技术手段,完成了编钟的基频经验公式——陈通、郑大瑞公式,再次揭开了双音钟的震动之谜……这已经是两千六百年后了。

不过,即便是强盛如此的齐国,想要一次性铸几十口要求如此之高的编钟,也是力有未逮,若是慢慢铸钟,谷小白又觉得等不及。

好,咱们双管齐下!

不还有一个地方,等闲小事,咱也能说了算的吗?

2200年前,刘彻最近有点不太开心。

自家这个外甥,不知道从哪里染了恶习,就是喜欢纵马宫中。

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