348【后膛炮是主流?】(2 / 2)

梦回大明春 王梓钧 1376 字 2022-06-01

有个巨大疑惑,一直盘旋在王渊心中,为啥在十六世纪初,葡萄牙火炮全都是后膛炮?

王渊问道:“欧洲有前装火炮吗?”

一个铸炮师回答:“如果是用于攻城,那么全都是前膛炮。如果用于野战或海战,则以后膛炮居多。”

“为何如此?”王渊追问。

铸炮师说:“因为前膛炮威力大、射程远,用于攻城最有效。而后膛炮射速快,用于海战和野战更实用。”

“原来如此,”王渊又问,“后膛炮为什么威力小、射程近?”

铸炮师说:“因为炮膛漏气。”

早期后膛炮,在景泰、成化年间,就已出现于欧洲。

别一提起“后膛”,就觉得它比“前膛”先进,早期后膛炮的致命缺陷是火药气体外泄!

大概再过三十年,葡萄牙人的火炮,就会逐步由后膛转为前膛,并且之后两百年都是前膛炮的天下。

传到中国的佛朗机炮,目前已算世界巅峰,因为它属于欧洲早期后膛炮的改进型,子母铳的设计能大大提高射速。

“老爷,喝粥。”夏婵端着八宝粥进来,脸色苍白,走路发飘。

王渊捣鼓着火炮,头也没抬:“放下吧。你回去多休息,晕船可不是一两天能适应的。”

夏婵说:“吐了几次,感觉好多了。”

王渊说:“那坐下吧。”

夏婵站在旁边,好奇问:“老爷在做什么?”

王渊道:“看能不能把火炮改进一下。”

“哦。”夏婵不再说话。

佛朗机炮怎么说呢,完全颠覆王渊对火炮的认知,它有点像放大版的老式后膛步枪。

炮腹是开放式的,开了一个巨大的槽。

炮手可提前将铁弹和火药装入子铳,射击时直接将子铳安进开槽炮腹,再楔上固定子铳的炮闩就可点火。

这种火炮,射速快,散热快,换弹快,不到一分钟就能发射一次。

而且安全性很高,子母炮铳分离,不用担心炮管过热而引起火药自燃。子铳承担大部分爆炸压力,用坏了更换子铳就行,主炮身的使用寿命超长。王渊如果想省钱,可以用熟铁做主炮身,只用钢浇铸子铳即可。

但是,气密性超级差,严重时可能炸膛,并且射程近、威力小,非常不适合做重炮。

王渊在船上思考好几天,抵达天津时直接选择放弃。

这种炮尾、炮腹设计,根本没法改进气密性。想要不漏气,必须重新设计炮腹,那等于王渊自行设计一种全新的火炮。

如果称霸海洋的葡萄牙人,普遍使用这种火炮的话。那么可以推测,此时的火炮属于海战辅助,威力太小很难将敌人击沉,关键时刻还得靠接舷战才行。

不过嘛,用于陆地野战堪称利器,几十秒一发的火炮,你在十六世纪初上哪儿找别家去?

天津海边,织布厂的工人,早已等候好几天。

二十门火炮和弹药搬下船,再将棉布搬到船上。海船继续前行驶向日本,工人们划船运载火炮前往天津卫,然后顺着大运河坐船直奔北京。

朱厚照已经催了好多次,让王渊快点带兵出发。

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