第227章 滑轮组(1 / 2)

“滑轮组。”孟雨青将缠绕的藤蔓理顺后,开始组装,“这是我自己用木头做的模型,用来把东西吊到天上,可以省下一半的力气。”

他一边解释一边演示滑轮组怎么使用。

“等城墙建高了之后,我们的石头不是那么好运上去费人费力,我们就可以用滑轮组把石头吊上去。”

他将滑轮组组装好后,捡来一块拳头大的石头递给玄。

“你感觉一下这块石头有多重,然后记住。”

玄接过石头掂量了一下然后说道,“记住了,然后呢?”

孟雨青又让他掂量了一下小木框,玄也照做了。

接着孟雨青将石头放进了小木框里,将小木框挂在了有钩子的圆形上,然后把缠在两个圆形上的藤蔓递给玄,笑着说道,“轻轻拉藤蔓试试,慢慢加力气。”

玄捏住藤蔓轻轻拉动,小木框缓缓上移,随着木框的移动,玄也渐渐认真了起来。

当小木框移动到最顶端的时候,玄停下了动作,看着孟雨青认真地说道,“比直接提小木框省力很多。”

孟雨青露出笑容,省力就对了,不然他干嘛费这么大功夫自己做个滑轮组模型出来。

“我们把这个东西放大做出来,用来吊石头到城墙上去,省时省力,材料肯定得是耐用的,最好是好的兽骨,然后我教你怎么雕刻切割组装,绳子我们用结实的藤蔓编到一起,让它更结实耐用。”

因为这是他自己本来就知道的东西,所以也不需要找系统兑换,他拿出自己画的设计图,仔细和玄讲解着。

玄一边看着他的简笔画,一边对照着模型,总算是搞明白了。

“还有板车。”孟雨青又掏出一张自己画的设计图,“我们现在搬运的路线基本已经走出来了,把这个东西弄出来我们运石头也省力了。”

看完滑轮组的设计图,玄将图纸还给孟雨青后,又开始研究板车的设计图。

因为之前制作过巨型滑雪板在冬天用来拖猎物,他很快就看明白了板车的原理。

他指着板车的轮子说道,“就是冬天用的那个板子加上两个圆木头拖着在地上走对吗?”

“对,不过这东西叫做轮子。”说着孟雨青又从空间掏出一个小板车的模型,“你看,轮子都是用圆的,滚动的时候不会上下颠簸。”

那从孟雨青手中拿过小板车放在比较平坦的地方,用手捏着把手拉动。

小板车顺他的力道就咕噜咕噜动了起来。

玄微微睁大眼睛,似乎对这个东西很感兴趣,就这么玩了起来。

孟雨青蹲在一边看着玩心大发的玄,心里暗笑,果然还是小朋友呢。

等玄玩够了之后,他把所有的小模型收好,然后带着孟雨青去找夏。

夏在看到这两个小玩意之后,也是稀罕得不得了。

拉着孟雨青给他演示了一遍怎么玩。

孟雨青:“......”

玄十九岁偶尔像个小朋友一样还能理解,怎么夏也有这样的一面啊?你都是个十九岁兽人的爹了啊!

秋叶知道你这么幼稚吗?

心里吐槽归吐槽,该演示的还是得演示,只不过这一次是玄动的手,孟雨青在一边指挥。

看着玄完全没有出的将演示过程完成,孟雨青点头,玄的学习能力真的很强。

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