第二十八节 昌化到了
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第二十八节昌化到了
当下也不藏私，将六分仪的使用方法教了一遍。更多小说ltxs520.com六分仪的使用更为便捷准确。李华梅常年航海，试用之下当即爱不释手。
“这么好用的东西，真是难得。”把六分仪还给陈海阳的时候她还有些依依不舍，“能卖个给我吗？”
“以后吧。”陈海阳说，“我们自己制造还有困难。”
“那个镜片难做？”
“没错。”陈海阳一边指导学员依次使用，一边说，“透镜要自己磨制，不大容易。”
李华梅叹了口气：“唉，你们的好东西真多，就是不肯卖。”
“注意光斑的落点，手拿稳。对了！”陈海阳并不回答。哪些东西能卖，这得听执委会的。
“我感觉。”李华梅凑近了陈海阳说，“你们什么都知道，就是不肯说！”两人之间的距离近得他能感到女人的呼吸吹拂到发根上，不由得皮肤一阵起栗。原本有些的好感又冷了下来。他没有答话，而是大声朝着学员们喊道：
“开始测算航速！”
学员们听到指令，三人一组，一人将一块小木板抛出川外，这块木板的一边包着铅皮使得它落水后能够直立起来。另外一个学员拿着一个可收放的卷轴，用线绳和木板连接在一起。抛木板的学员注视着落水的木板，当小木板在尾部的涡流后冒了出来之后，马上大喊一声：
“开始！”
手持卷轴的学员开始放开线绳，卷轴飞快的转动着，线绳被不断的放出去。与此同时，拿沙漏的学员马上翻过手去，细细的沙子开始快速的流下去。
“停！”随着沙漏的沙子漏光，计时员喊出了停止的口令。执线员卡住卷轴。
“3个绳节！”执线员根据线绳上的标注报告，“现在航行速度，3节。”
陈海阳观察着他们的动作是否合乎规范，他点了点头：“好，下一组！”
李华梅看着他们说：“你们的航海术肯定是和英国人学得。”
“为什么？”
“这种办法只有英国水手才用。”
船速3节，在帆船航海中属于正常的航速，虽然稍嫌慢些但也安全。他们手里的中国航海指南和海图都是依据20世纪的数据画的，本时空的海南沿海情况还是一片空白。
太阳渐渐西斜，风力开始加大，浪也大了起来，测得航速已经达到5节。林传清不放心抓起脖子上挂的步话机问：
“瞭望、瞭望，海面情况怎么样？”
“一切正常。”在桅杆顶部负责瞭望的黄爪子回到道。从桅杆顶部望去，视角异常的宽广，当然摇摆也特别的剧烈。从桅杆顶部可以看到了附近有不少船只，多数是渔船，间或也有几条大型船只张满了帆在航行。总得看来太平无事。
“怎么样？上面受得了吗？”
“没事，上面风景好，空气好，哈哈。”黄爪子倒是特别的适应。
“云层情况如何？”
“高积云，正在自东向西移动。”
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