查看完整版本: 中航工业沈飞博览园[58P]

中航工业沈飞博览园[58P]

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又见绿头j8II 又忆81192 现在的中国已非14年前可比 如若豺狼再来 定叫他有去无回 已慰英灵

这架歼八II可不一般，是沈飞ACT试验机，装有鸭翼和主动控制系统。为了下一代静不稳电传飞机打基础。简单说一下什么叫静不稳，以前二代飞机飞行时飞机不需要主动控制。飞机默认重心居中，翼面气动稳定。但这样的话飞的气动布局非常稳,但这种情况下，机动性能就一般了，机动反应会慢，应为太稳定了。

第三代开始，特别是苏-27。它是静不稳状态，在空中时它是不稳定的，如果不主动控制它，它就不一定飞成什么样了。但飞行员不可能一直不停的来控制飞机状态，那飞行员得累死。所以必须是电传动操做系统，由电脑主动控制飞机保持飞机的飞行时姿态的稳定。飞行员只有在需要飞机变化时才需操作，这样飞行员操控飞机就容易多了。

而飞机是针对机动进行优化设计的，这样机动性能就非常出色了。

[[i] 本帖最后由 datesyxz 于 2014-10-8 15:54 编辑 [/i]]