Description
当然，美国人还有一个考虑，那就是发动机的寿命问题。航天飞机是要重复使用的，发动机也要用好多次，氢氧机烧完了干干净净的。液氧煤油烧完了，发动机都黑了。一次性使用无所谓，多次使用的话，回来还要拆开清洗，太麻烦了。不行，航天飞机坚决不能用液氧煤油作为燃料。只能采用氢氧作为燃料。那么下一个麻烦就来了。液氢的密度低的不像话，只有水的1/14，也就是说燃料罐的体积小不了。航天飞机的机身是货舱，根本没地方安排燃料罐。发动机要装在飞机上，以便带回来继续用，那么燃料罐只能用外挂的形式。航天飞机的肚子底下挂着一个巨大的燃料罐，两边是铅笔一样的固体助推器，至此，航天飞机的基本布局已经初见端倪了……
Audio
Featured in this Episode
No persons identified in this episode.
Transcription
This episode hasn't been transcribed yet
Help us prioritize this episode for transcription by upvoting it.
0
upvotes
Popular episodes get transcribed faster
Other recent transcribed episodes
Transcribed and ready to explore now
Trump $82 Million Bond Spree, Brazil Tariffs 'Too High,' More
16 Nov 2025
Bloomberg News Now
Ex-Fed Gov Resigned After Rules Violations, Trump Buys $82 Mil of Bonds, More
16 Nov 2025
Bloomberg News Now
THIS TRUMP INTERVIEW WAS INSANE!
16 Nov 2025
HasanAbi
Epstein Emails and Trump's Alleged Involvement
15 Nov 2025
Conspiracy Theories Exploring The Unseen
New Epstein Emails Directly Implicate Trump - H3 Show #211
15 Nov 2025
H3 Podcast
Trump Humiliates Himself on FOX as They Call Him Out
15 Nov 2025
IHIP News