第723章 铁蛋的“好奇”
一秒记住【笔趣阁】
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萧战走了之后,周师傅蹲在工坊里,对着那张草图发了一下午的呆。
铁蛋蹲在他旁边,也不说话,就盯着那张图看。两个人在工坊里蹲了一下午,跟两尊门神似的,一动不动。徒弟们从门口路过,探头看了一眼,又缩回去了,谁也不敢进来。
“师傅,”铁蛋终于开口了,“您说这东西,真的能飞吗?”
周师傅说:“国公爷说能,就能。”
铁蛋说:“可它没有火啊。热气球有火,它啥都没有。就几根木头、两块布,人坐上去,从坡上往下冲——那不是找死吗?”
周师傅说:“纸飞机也没有火,不是照样飞?”
铁蛋说:“纸飞机是纸做的,轻。人那么重,能一样吗?”
周师傅沉默了。他盯着那张图,脑子里翻来覆去地想着萧战说的话——“鸟也没火,不是照样飞?”鸟有翅膀,鸟轻,鸟的骨头是空的。人没有翅膀,人重,人的骨头是实的。这能一样吗?
但他不敢说不行。萧国公说能,就一定能。萧国公说过的每一句话,最后都成了真的。热气球是这样,蒸汽船是这样,迫击炮也是这样。
“试试就知道了。”周师傅站起来,把那张图小心地折好,揣进怀里,“明天开始,做这个。”
铁蛋也跟着站起来:“师傅,俺帮您。”
周师傅看了他一眼:“你不怕摔死?”
铁蛋嘿嘿笑了:“怕啥?俺飞热气球也摔过。摔不死就行。”
周师傅看着他,心里忽然涌上一股说不清的滋味。这孩子,当年刚来科学院的时候,连三十六加五十四都算不对,站在台上讲热气球的原理,讲得磕磕巴巴,被学员笑话。现在呢?他飞了二百多次,摔过、飘过、差点没命过,但从来没说过一个“怕”字。
“行。”周师傅说,“有你帮忙,这事儿能成。”
滑翔机的事儿,在科学院传开了。
赵明远听到消息的时候,正在工坊里跟钱厚德改迫击炮的炮管。他放下手里的锉刀,擦了擦手上的油:“滑翔机?不用火就能飞?”
钱厚德头也不抬:“听说是。国公爷画的图,周师傅在做。”
赵明远想了想,站起来就往外走。
钱厚德在后面喊:“明远!你去哪儿?炮管还没改完呢!”
赵明远头也不回:“我去南苑看看!”
他跑到南苑的时候,周师傅正蹲在工坊里,对着一堆木头犯愁。铁蛋蹲在他旁边,手里拿着一根刨光的木条,翻来覆去地看。
“周师傅,”赵明远走进来,“我来帮忙。”
周师傅抬起头:“你?你会做木工?”
赵明远说:“不会。但我会算。”
他走到工作台前,拿起那张草图,看了好一会儿。然后他从怀里掏出本子,开始算。
“翼展一丈二,弦长三尺四……这个角度不对。”赵明远推了推眼镜,“按照这个角度,升力不够。人坐上去,滑不起来。”
周师傅愣住了:“你怎么知道?”
赵明远说:“张文远的气象数据。他算过风的升力,跟翅膀的角度有关系。角度太小,风从上面走,把人往下压。角度太大,风顶着翅膀,把人往后推。要找一个合适的角度,让风从翅膀下面走,把人往上托。”
他在本子上画了几个图,算了半天,抬起头:“十六度。翅膀的倾斜角应该是十六度。”
周师傅盯着他算出来的那些数字,一头雾水。他当了半辈子铁匠,后来又造热气球,靠的是手感和经验。数字这种东西,他看着就头疼。
“你确定?”周师傅问。
赵明远说:“不确定。但这是目前最接近的。试了才知道。”
周师傅想了想,把那根刨光的木条拿起来,重新画线。这回照着赵明远算的角度画。
铁蛋在旁边看着,忽然说:“明远,你那个角度,靠谱吗?”
赵明远推了推眼镜:“不知道。但总比瞎猜强。国公爷说过,科学就是先算,再试。算对了最好,算错了就改。”
铁蛋点点头,不说话了。
工坊里叮叮当当响了一夜。赵明远算角度、算长度、算重量,算得头昏眼花。周师傅锯木头、刨光、打孔,干得满头大汗。铁蛋打下手,递工具、扶木头、试装配,跑前跑后。
天快亮的时候,第一架滑翔机的骨架搭起来了。
歪歪扭扭的,像一只还没长好的蝙蝠。
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