第七十章 明轮船
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从定远堡码头到县城,短短的不到20公里的航程只需要不到两小时就能跑完,比起帆船来快了一倍以上。更难能可贵的是,这种轮船不但需要的水手数量少,而且还完全不需要像帆船那样考虑风向的影响,在不同季节和不同风向的环境下基本都能维持一定的速度。就内河航运来说,轮船的优越性几乎完全超越了之前曾广泛使用的那些内河浅水运输船。
要知道,东岸地区的很多河流流速极为缓慢,尤其是那些新开凿的运河。如果风向不对的话,很多时候船只根本没法通行,有时甚至需要纤夫拉纤才能通过。而轮船的出现则完美地解决了这个问题,这种靠水流驱动的船只完全不用看风向的脸色,也许它唯一的敌人就是自己了——自己那破绽百出的蒸汽锅炉和质量很是可疑的明轮叶片。
“又是轮船!”郭子离的卫兵法尔考失望地叹了口气,嘴里嘟囔着说道:“这种船很不可靠,那些船员们维护得又很差劲,三天两头出故障,希望今天的两小时航程内不会出问题吧。”
郭子离好笑地拍了一下他的脑袋,说道:“去把马寄存了,动作快点,我在船上等你。”说完,郭子离提着他的公文包一步跨上了靠在栈桥边的明轮船。
明轮船与栈桥间有一段很大的空隙,上面铺着木板,晃晃悠悠的,走过去的人必须非常小心以免自己掉进水里。这也算是明轮船的一个缺点了,明轮装在外面,很容易就会磕着碰着什么东西,从而导致明轮损坏。听说交通部和船舶所的一帮人正在研究要不要将明轮换成螺旋桨叶片呢,不过很显然,螺旋桨叶片的加工对东岸人来说是一个不小的挑战。
以东岸共和国目前拥有的几台设计原始、精度奇差的各类机床来说,加工出一个合格的船用螺旋桨实在是很成问题的。就算勉强加工出来,到时候后期打磨、切削上面也要花费很大的精力,完全没有大规模工业化生产的可行性。这对于穿行于国内各处水域的数十上百艘内河运输船来说,没法大规模工业化生产就意味着极高的成本,而这基本已经宣判了这项技术的死刑。
不过知道明轮技术最终被淘汰的穿越众怎么可能任由螺旋桨技术被埋没下去。他们目前正在反复寻找其他的加工螺旋桨的方法,比如先用模具一次成型铸造一个粗胚,然后再打磨;比如干脆就用大型水压机慢慢将螺旋桨叶片敲出来等等。总之,这项技术还得慢慢来,急不得。至于现阶段嘛,这些船只还是先使用笨重的明轮好了。
十几名乘客上船后,码头上的工人又往船舱内搬运了十几桶渔产品,使得整条船上充满了浓重的鱼腥味。大鱼湖的渔业资源经过这些年的过度开发,目前已经呈现了明显的枯竭之势,每月捕获的鱼虾不但产量逐步减少,就连个头也比以前大有不如。发现这种情况的定远乡政府紧急叫停了捕鱼队在大鱼湖的一切捕鱼活动,给予大鱼湖休养生息的时间,同时也开始研究、推广起了箱笼养鱼养虾的技术。
眼前船舱里的这十几桶新鲜的大虾就是捕鱼队用箱笼在大鱼湖里养殖出来的,现在是要通过蒸汽快船运往东方港县城进行销售。
看到再也没人上船后,码头上工作人员将出入口的小门一拉,然后使劲挥舞了几下手中的旗帜。船上的驾驶员见状,开始命令锅炉房缓缓增压,船上的烟囱里冒出的黑烟陡然间浓密了起来。
郭子离站在甲板上,黑乎乎的煤灰落在他浅蓝色的军服上,迎面吹来一股逸出的水蒸气,将他的头发也吹得湿漉漉的。
“煤灰比较大,这煤的质量终究还是不行啊。”郭子离自言自语着,“平安煤矿的煤据说燃烧值极低,而且还含有大量的杂质和粉尘,终究不适合做动力煤啊。不知道以后要不要开发南非的煤炭?”
蒸汽轮船在锅炉加压了一会后终于吭哧吭哧地开动了起来。船舷两侧的明轮叶片也开始缓缓转动,哗啦啦地拨动着水流,而水流传回的反作用力又驱使着轮船向前运动。(未完待续请搜索,小说更好更新更快!
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