第804章 新火炮和计算钟
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刚才回答还有些拘谨的黄兴，这会儿谈到手上这机械，神情里立刻多了十分的自信，他十分小心的把手中这个圆形机械放在面前的一张方桌上，又从旁边拿出来一根细钢管插在圆盘的一侧。
这才指着这机械说道：“大人，这是一个用于计算火炮射击的计算钟，您看，这圆盘外圈，以均等分划出精细的刻度，用于读取最终的射击参数，这和钟表的刻度类似，故而称之为计算钟。”
黄兴又指着铜盘上面的几根铜尺，“您看，这圆盘上粗铜尺代表着舰炮移动方向和位置，细铜尺代表着目标方位，而第三根细铜尺代表着炮位到目标的视角，而这上面的测距镜可用于推算目标距离、目标速度，设定好这些数字后，转动这三根铜尺，就能快速读出目标的速度偏差和方向偏差，针对移动的目标展开准确的炮击！”
丁日昌听得多少有些迷糊，他立刻走到桌案前，低头仔细打量这个结构颇为复杂、表盘确实像一个钟形状的机械，那三把粗细长短不一的铜尺确实可以旋转和移动，他闭目想了想黄兴说的话，倒是琢磨出一点点道道。
很显然，这玩意设计出来，可不简简单单是为了在这试炮场打靶用的，听刚才黄兴解释，这玩意显然是用来在移动的战舰上推算如何击中不同方向移动目标的，听起来，确实是颇为玄妙，对于这其中原理，老丁自然是没琢磨出来，不过，他却能感受到这机械中应用到的精妙技术，忍不住露出一脸的笑意。
这下他也忍不住说道：“黄兴，那你就去演示下如何击中移动目标吧！”
几分钟后，水泥炮台内，黄兴已经架好计算钟，很快就通过测距镜读出了远处正在缓慢移动的一个船型目标，炮场的试炮军官是一名水师因伤退役枪炮军官侯承，他很快就报出了一组射击参数，这种稳定基座的火炮射击，难度远远低于在摇晃不定的战舰上。
“弱装药，发射药3，装填！”
侯承一声令下，一枚重达380公斤的训练弹被扬弹机吊了起来，迅速被推进了炮膛，然后，三个圆柱状、以丝绸包裹的发射药被一次推进炮膛，两名炮兵用力推上新式的立柱型炮闩，不到1分钟的时间内，装填已经完毕！
这时候，黄兴已经读出目标移动的距离变化率，“方向变化率0，距离变化率1.03……”
“高低机仰角3，左偏差4.3度！”侯承立刻大声报出火炮射击诸元，而炮座上的士兵立刻快速转动蒸汽动力的转盘。
随着两声“完毕！”的报告，侯承猛的按下电发火按钮，顿时，整个地面猛的一震，长长的炮管猛的从炮座上向后一顿，炮口出一团浓浓的黑雾，一声惊天动地的巨响和猛烈的火光之中，训练弹立刻而出……
此刻炮室前方都被黑烟罩的严严实实的，黄兴举着望远镜也看不清楚是否击中目标，只得耐心等候，不过，旁边的侯承可一点没闲着，扯着嗓子冲着手下吼道：“清膛……装填……四分之三药包……高爆弹！”
一阵风吹来，黄兴终于看清楚远处的情形，6000米外正在缓缓移动的目标右下不到100米处，那枚尖头的训练弹牢牢的插在地上，严格来说，这一炮的精准度相当的不错，首炮不到100米的误差，相当的不错了。
“仰角不变，左偏差4.35度！”侯承一声怒吼，因为这是在炮场试炮，刚才黄兴测出的方向率、移动率显然也是不变的，他立刻根据经验进行了微调。
而士兵们高效率的装填，仅仅距离第一次发射55秒的时间后，侯承第二次按下了电发火装置，惊天动地炮声想起，黑雾遮蔽的炮台内，黄兴和侯承虽然看不到是否击中目标，不过，10秒钟后，远处传来了一片堪比炮声、惊天动地的叫好声，两人立刻意识到，打中啦！
炮场的一侧，丁日昌也是笑眯眯的摸着胡须，心中颇为感慨，这火炮的威力确实是不凡，而且炮手的水准也是让自己万分满意，这等距离上，两炮即中，怪不得秦烈风那小子打起仗来，战无不胜啊！
【召唤各类票票支持……哇咔咔】
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