【智神星二号主发动机CQ-90完成130秒长程试车】近日，星河动力航天在牛头山试车台，成功完成大型可重复使用液体运载火箭智神星二号主发动机——新一代百吨级CQ-90液氧/煤油发动机的130秒长程额定工况试车考核。据介绍，试车全程运行平稳，各项性能指标均满足设计要求，试车取得圆满成功。至此，苍穹-90发动机已完成20余次研究性攻关试车，正式跨入可靠性验证试车阶段，向着工程化定型与飞行应用迈出决定性一步，为智神星二号子级垂直回收和重复使用提供核心动力保障。
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