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The Space Shuttle was a crewed, partially reusable low Earth orbital spacecraft operated by NASA from 1981 to 2011.

7 votes
2 answers
2k views

Which STS mission raised the normal engine throttle above 100%, and what change to the SSME ...

As indirectly stated in an answer to How long does Max-Q last?, during later Space Shuttle launches the main engines were operating at above 100% of their nominal maximum thrust. Specifically from tha …
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19 votes

How far would the STS get without the SRBs

TL;DR Without SRBs, by maintaining the real stack's thrust to weight ratio at ignition, you run out of fuel at about 167 seconds with (if we maintain the flight profile of the real stack) a velocity …
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  • 7,350
35 votes
7 answers
16k views

How could a 90 m/s delta-v be enough to commit the space shuttle to landing?

Wikipedia claims (although with no citation) that in order to make the space shuttle land, an initial powered delta-v of 322 km/h was applied in orbit, retrograde to the shuttle's orbit. 322 km/h is e …
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