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第一千一百五十四章 灿烂的流星

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返航,比发射还要难。龙腾小说ltxsba.com

当初,加加林上天的时候,乘坐的上升号飞船,就没有打算把加加林直接带回地面,当飞船离地面还有一段距离的时候,加加林就被弹射了出来,他最后是带着降落伞落地的。

而之后的宇宙飞船,则是带着航天员,用一个巨大的降落伞,一起返回地面。

直至航天飞机,才改变了这个状况,航天飞机在降落的时候,是像普通的飞机那样,可以直接降落下来,这大大地提高了航天员的适应状况,不用特殊训练,连普通的女教师也可以上天。

而现在,到了空天飞机,就更加进步了,空天飞机,可以像普通飞机那样起降,直接飞出大气层,然后再飞回来,这种空天飞机,在后世也没有研究出来。

没有紧迫性,宇宙飞船就够用了,其次,技术上的问题还没有克服,靠着火箭动力,普通的喷气动力,都不行。

但是现在,美国已经制造出来了,毕竟,美国是相当紧迫的,如果没有这种空天飞机,他们就是死路一条!

这种空天飞机,本来可以直接返回地面,寻找机场降落的,尤其是,当速度低了之后,就可以转成普通的喷气发动机,就像普通的飞机一样,一直以来的航空工程师的梦想,已经提前三十年实现!

可惜,这还需要一个前提,就是有燃料啊,没有燃料,那一切都是白搭。

就比如现在,一架燃料几乎耗尽的空天飞机,要如何从能顺利地返航?

罗伯特别无选择,他小心翼翼地操作,现在,他首先需要将空天飞机调整姿态,让机尾向前!

经过几次姿态调整喷管的喷气之后,已经调整了过来,一切正常!

接着,就是打开发动机,让发动机向前喷气,那己方的这架航天器就会减速!而减速之后,就会一头扎下去!

这必须要控制好,如果减速太快,那这个猛子就扎得太厉害,结果,就是这架空天飞机会如同石头一样掉落到大气层内,然后烧毁。

如果减速太慢,姿态不对,那就如同打水漂一样,再次被大气层给弹出来,根本就无法进入大气层!

几次让人难忘的爆震之后,终于,曙光女神潇洒地向着减速,然后,正确地沿着五度的下滑角,向着大气层而去!

“姿态正确。”约克逊说道,他继续看了几眼显示器,却发现了不对劲:“快,我们必须再翻一百八十度!”

这种空天飞机,所有的开口都在上部,空中加油要有口子,发射导弹要开口,这些口,肯定都是无法承受太大的冲击的。

所以,必须要翻一百八十度,让这种空天战机的机腹向着前面才行!机腹上铺着一层特殊的材料,可以抵消掉摩擦生成的热量,如果是机背向前摩擦的话,那结局只有一个!

罗伯特也意识到了这个问题,他推动操作杆,想要更改空天战机的姿态,可惜,前面的红灯开始闪烁,调整姿态用的气瓶,也已经耗尽了!

姿态,已经无法调整!

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