NSF - NASASpaceflight.com· @NASASpaceflight · X·· 2 天前AI 评分52
AI 导读
NASASpaceflight 报道，Raptor 发动机在 McGregor 北试车台完成 557 秒点火测试，为史上第二长纪录；最长纪录是一次烧至失效的测试，发动机一直运行到停止。
AI 生成摘要 · 以原文为准
正文
Raptor flex at McGregor just now!
557 second firing on the Raptor North Stand. Second longest ever (and the longest was a run to failure, where it just kept on going!)
来源：NSF - NASASpaceflight.com · x.com