Why did the long march five launch at the end of the window period – Sohu news 月丘うさぎ

Why did the long march five launch at the end of the window period? Sohu news [why the last window of time to launch? What happened at the moment before the launch? ] Aerospace Science and Technology Group Hospital deputy chief designer of the rocket Long March five exclusive Lou Luliang revealed: rocket propelled the products out of some small problems, after the expert discussion that does not affect subsequent emission inspection and discussion took a little time, it was decided, in the window there are nearly three hours, accounting for a an hour should be no problem. But in the back of the liquid hydrogen filling process, because of the characteristics of Chang five is an ice arrow, the volume of liquid hydrogen is very large, and after the first of all to ensure that some parts of the engine inside can be cooled to a temperature sufficient in this process will be very smooth start. At the start of the process, found that some parameters are not in accordance with the idea of the work site, organize relevant technical staff to discuss all kinds of investigation work in accordance with the plan, basically at the last moment, successfully solved the problem, in accordance with the window along, put the first rocket successfully lift the space. (central broadcasting reporter Ding Fei)相关的主题文章: