During the transition from slow fill of liquid hydrogen into the Space Launch System rocket’s core stage to fast fill operations, launch controllers saw a spike in the amount of hydrogen that is allowed to leak into the purge can, a housing covering the tail service mast umbilical’s quick disconnect, or mating interface with the rocket.
いつもの (スコア:3)
During the transition from slow fill of liquid hydrogen into the Space Launch System rocket’s core stage to fast fill operations, launch controllers saw a spike in the amount of hydrogen that is allowed to leak into the purge can, a housing covering the tail service mast umbilical’s quick disconnect, or mating interface with the rocket.
スペースシャトルの時代に実況してた人ならみんな知ってる、由緒正しき機体底部側面第一段液体水素充填経路アンビリカル接続部の水素漏れですね。SpaceXがばんばん打ち始めてからロケットの打ち上げ延期確率がずいぶん落ちましたが、昭和生まれにはこの不安定感は懐かしいんじゃないでしょうか。