送交者: deadmeat 于 2006-4-04, 14:33:04:

回答: 升空时的助推器 don't get burn for long. Usually less than 15 minute. 由 steven 于 2006-4-04, 13:25:00:

不可能升空时人和飞船能承受，返回时却不能承受
实际上返回时可以用比升空时小得多的推力，只要能达到减速和缓和大气摩擦的目的就行。

• aerofiction isn't that big of deal, carry so much fuel would be - steven (1207 bytes) 2006-4-04, 15:02:29
  • 之所以那么注重heat的问题是因为上次航天飞机出事就是死在绝热瓦上面 - deadmeat (236 bytes) 2006-4-04, 15:30:29

加跟贴