“砰!”
一声枪响,三十米外的靶心被打出一个洞,木屑纷飞。
陆渊来到专门的试验场地,对着靶子连续开火。
“砰砰砰!”
但他很快皱起眉头,这定装子弹确实有问题,哑火率竟然达到了三成!
这十分致命。
因为一旦哑火,他必须退出子弹,重新装填,非常的麻烦,而且浪费时间。这样的效率还不如燧发枪实用!
另外,还出现了一次火帽的卡壳。
陆渊打空了子弹,这才放下枪来。
许老立即走了过来:“大人,这些天,我们也做了一些修改,但这已经是比较好的成品了。”
陆渊微微颔首,并没有责备他。
击发枪与定装火药本就是研发的新装备,出现任何问题都是正常情况,只要继续研发,便有投入实战的可能。
“许老,这击发枪注意有几点问题!”陆渊说道。
“一个是撞击火帽还要再完善一下,减少卡壳的可能。另外就是后膛的气密性,必须更加密封,否则泻出的火药气体会干扰射手瞄准,严重的甚至会灼伤皮肤。
”
“另外一个就是弹药问题,这弹药还是太大了,我们可以在其中装填无烟火药,这样不但能提高射程,还能保持射击精度。”
陆渊又说了如何制作火棉。
硝酸和硫酸混合纤维,便能制作成硝酸纤维素。
1846年,化因使用硝-硫混酸制出了硝酸纤维素,并对其性能进行了研究。它是一种白色的纤维状物质,物理性质与棉花基本相同;它的爆炸威力比黑火药大2~3倍,可以用于军事,所以被称为“火棉”。
不过,火棉的燃爆速度实在是太快了,甚至高于苦味酸。如果制成炮弹,那么在发射出炮筒之前就会爆炸,非常不安全。
但是,用乙醚和乙醇混合溶剂处理并碾压成型后,其燃爆速度就能明显减慢,可以用作枪弹、炮弹的发射药或者固体火箭推进剂的成分。
接着陆渊又讲述了枪管膛线。
膛线,又名来复线。由于其截面形状类似风车,又称风车线。膛线可以说是枪管的灵魂,
膛线的作用在于赋予弹头旋转的能力,
使弹头在出膛之后,
仍能保持既定的方向。飞行稳定,提高了射击精度,并增加了射程。
这些知识十分复杂,涉及到了高端的物理、化学原理。
许老不但让人记录下来,又喊来了冶铁司与火器司的一些高级工匠一起旁听。
他们不时提出问题,陆渊一一解答。
陆渊将茶杯放下,正准备告辞,突然宫中来人,说是太子召见。
陆渊在谨慎殿面见了朱标。
宫女泡完茶,退了出去。
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