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12月2日灵·特姆科·沃特航宇公司的小体积冲压发动机成功地进行了第一次自由飞行试验。它是从海军导弹中心一架A-7飞机上投射的,当时A-7飞行高度约3,962米,速度966公里/小时;固体火箭发动机点火5秒左右,成功地为巡航飞行转换到了冲压发动机工作。这
December 2 Ling · Temuco · · · · · · · · · · · · · · · · · · · · · · · · · · · Company’s small-volume ramjet successfully carried out the first free flight test. It was projected from an A-7 aircraft at the Naval Missile Center when the A-7 flight at a height of about 3,962 meters was at a speed of 966 km / h and the solid rocket engine fired for about 5 seconds successfully switching to a ramjet engine for cruise flight . This