“长二捆”火箭几次发射澳大利亚卫星用的“黑匣子”——磁记录仪,呈圆柱状,直径和高度均不足40公分,顶端箍有对角切开的空心四方体金属壳,壳上漆有红白相间的线条,重约25千克。它被放置在火箭的第一级,即芯级箭体内。 “长二捆”大推力运载火箭发射后,其芯级在工作几分钟后脱落,磁记录仪在这期间记录着火箭发射和飞行情况的上万个 The “long bale” rocket fired several “black boxes” used by Australian satellites - magnetic recorders, cylindrical in shape, less than 40 cm in diameter and height, and a diagonal cut open, Painted with red and white lines, weighing about 25 kg. It is placed in the rocket’s first level, that is, core-level rocket body. After launching the “long bale” big thrust carrier rocket, its core level dropped off after a few minutes of work. The magnetic recorder recorded tens of thousands of rocket launches and flight conditions during this period