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随着航空技术的飞速发展,现代高性能战斗机的机动性能不断提高。目前第三代战斗机(如F-15、F-16、苏-27、幻影2000等)的最大过载可达+9G,G值增长率达6G/秒以上,并可持续15秒～45秒。研制中的第四代战斗机(如F-22)的最大过载将达到+9G～+12G,G值增长率可达9G/秒～15G/秒。通常将G值大于+6G、持续15秒以上的正加速度称之为“高G值持续性正加速度”。
With the rapid development of aviation technology, the mobility of modern high-performance fighter aircraft continues to increase. At present, the third generation fighter (such as F-15, F-16, Su -27, Phantom 2000, etc.) the maximum overload up to +9 G, G value growth rate of 6G / second or more, and sustainable 15 seconds to 45 seconds. The fourth-generation fighter under development (such as F-22) will achieve a maximum overload of + 9G ~ + 12G, G value growth rate of up to 9G / s ~ 15G / s. Normally, a positive acceleration with a G value greater than + 6G for more than 15 seconds is referred to as a “sustained positive acceleration of high G value.”