第四百六十九章 好消息

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变速箱的问题。
    拆开变速箱,测量各个齿轮的参数,调整离合器的行程。
    郑昊也天天泡在车间里,帮忙递工具,做记录。
    “小郑,你看这个齿轮。“王明远指着一个齿轮,“它和发动机的转速匹配不上,总是打滑。“
    “那怎么办?“
    “要么换齿轮,要么改传动比。“王明远说,“但换齿轮得定制,周期长,成本也高。“
    “那就改传动比。“郑昊说,“咱们自己能改吗?“
    “可以试试。“
    两人开始计算传动比。
    在纸上写了一堆公式,算了又算。
    “如果把传动比从3.8改成4.2,应该能匹配上。“王明远说。
    “那就改。“
    改传动比需要调整齿轮的啮合位置。
    这是个精细活,差一毫米都不行。
    刘师傅带着两个助手,用游标卡尺反复测量,一点点调整。
    调了三天,终于调好了。
    “小郑,可以再试试了。“王明远说。
    郑昊再次坐进驾驶室。
    启动发动机,挂档,松离合。
    车动了。
    这次没有熄火,一直往前开。
    十米,二十米,五十米,一百米...
    “成了!“刘师傅激动地喊。
    郑昊踩了踩油门,车速上来了。
    然后踩刹车,车稳稳地停了下来。
    他推开车门下来,脸上满是笑容。
    “总算能跑了。“
    “是啊。“王明远也笑了,“不过这只是第一步,后面还有很多问题要解决。“
    “比如?“
    “比如方向太重,转向很吃力。“王明远说,“比如悬架太硬,过坑的时候颠得厉害。“
    “还有刹车。“刘师傅接话,“刹车距离太长了,不符合安全标准。“
    郑昊点了点头。
    这些问题,都得一个个解决。
    但至少,车已经能跑了。
    这天下午,赵国强找到郑昊。
    “小郑,车身上发现了几个问题。“
    “什么问题?“
    “你跟我来。“
    两人来到样车前,赵国强指着车门说:“你看,这个车门关不严,总有缝隙。“
    郑昊试着关了几次,确实有缝。
    “为什么会这样?“
    “手工敲的车身,精度不够。“赵国强说,“车门和车身的配合有误差。“
    “能修吗?“
    “能,但得重新调整车门的铰链位置。“赵国强说,“还有,车窗玻璃也装不严,总是漏风。“
    “这些都得解决。“郑昊说,“咱们不能让车漏风,不然冬天没法用。“
    “我知道。“赵国强叹了口气,“手工造车就是这样,哪都是问题。要是有模具就好了。“
    “模具太贵,咱们现在用不起。“郑昊说,“只能慢慢调。“
    “那行,我继续调。“
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