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4000亿买不来一口气 F-35A无限期停飞

2017-06-23 15:31:58   解放军报

绘图:吴志峰

一句话新闻:近期,美国卢克空军基地连续出现5起F-35“闪电”战机训练中缺氧问题,飞行员紧急启动备用供氧系统后才安全着陆。随后,美军宣布F-35A无限期停飞,直至调查完成。

F-35研发耗资高达4000亿美元,“4000亿买不来一口气”,可谓航空制造史上的一朵“奇葩”。

同一故障频发,只能说明飞机设计有缺陷。如果这个问题得不到彻底解决,美军只有降低F-35飞机的飞行高度,或者教育飞行员坚持在缺氧状态下艰苦奋斗了。至于那些排队购机的欧洲国家,表示对F-35已经灰心,开始研制欧洲版第五代战机。不过,在F-35项目上刚狠心砸下200亿美元的日本可就欲哭无泪了!

F-35为啥“缺气儿”?请听空军航空兵某部高级工程师王承勇的专业解析:

为了减轻机体重量,F-35战机摒弃了传统的三代机压缩氧气瓶供氧原理,采用的是新型分子筛供氧系统(OBOGS),即用分子筛直接把空气中的氮气滤掉,然后把氧气富集起来供给飞行员呼吸。其优势在于能实现“战机不熄火,氧气不间断”的无限制供氧。而且由于不再受传统的氧气瓶载氧量的限制,战机的突防能力和续航时间都得到了进一步提高。但是由于目前技术上尚不成熟,仍存在一定风险。(张友晴整理)

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