请问美国M256坦克炮的初速是多少呢,另外99式的ZPT98初速又是多少?

2025-03-16 17:10:50
推荐回答(2个)
回答1:

M256滑膛炮,
使用M829尾稳脱壳穿甲曳光弹时,炮口初速1679米/秒,
使用M829A1尾稳脱壳穿甲曳光弹时,炮口初速1569米/秒,
使用M829A2尾稳脱壳穿甲曳光弹时,炮口初速1680米/秒,
使用M829A3尾稳脱壳穿甲曳光弹时,炮口初速1555米/秒,
使用M830高爆反坦克多用途破甲曳光弹时,炮口初速1140米/秒,
使用M830A1高爆反坦克多用途破甲曳光弹时,炮口初速1410米/秒,
使用M831破甲弹(训练弹)时,炮口初速1140米/秒,
使用M865尾稳脱壳穿甲曳光弹(训练弹)时,炮口初速1140米/秒,
使用M908低阻高爆曳光弹时,炮口初速1410米/秒。
http://www.inetres.com/gp/military/cv/weapon/M256.html
ZPT-98滑膛炮在发射钨合金尾翼稳定脱壳穿甲弹时,炮口初速为1780米/秒。
M256滑膛炮是44倍口径120毫米,ZPT-98滑膛炮是50倍口径125毫米,自然初速要高一些。

回答2:

炮口初速看弹药,用不同弹药时初速不同,破甲弹比穿甲弹要慢。而且弹药威力和初速有一定关系,但更大的关系还是看弹药本身的材料质量性能设计等等一堆参数,综合评判起来还是要参考他的RHA换算,即穿甲能力对均质钢厚度的换算。像M256采用M829A2弹药时炮口初速1,680m/s,用M829A3时1,555m/s。99使用尾稳脱壳穿甲弹时自称初速1,760m/s,而实际性能比不过M829。

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