Skip to main content

All Questions

5votes
1answer
404views

Space shuttle MECO condition: velocity threshold or fuel level?

I've read in a place I can no longer remember that MECO would happen when fuel is depleted or, if the separating stage is returning, when fuel reaches some preset threshold---15%, say. But now... ...
user avatar
2votes
1answer
246views

Would the space shuttle do a yaw maneuver to avoid the tower?

I read some rockets do a small yaw maneuver of about a degree immediately after T0 to avoid the tower in case of wind gusts. Would the space shuttle ever do such a maneuver? Did it? I read also that ...
user avatar
4votes
1answer
256views

Why does SpaceX Crew Dragon not have planned holds?

I watched the launches of SpaceX Crew Demo 2 and Crew 1. I observed that there were no planned holds during the last hour of the countdown. The Space Shuttle had planned holds at T-20 minutes and T-9 ...
Codes with Hammer's user avatar
48votes
2answers
7kviews

Was the payload bay of the Space Shuttle depressurized before launch?

We know that the payload bay of the Space Shuttle Orbiter carried satellites, pieces of equipment for repairing satellites and components of the International Space Station. Was the payload bay of ...
Vishnu's user avatar
  • 3,356
9votes
3answers
3kviews

How was the Centaur stage fueled in the Space Shuttle?

The Space Shuttle had the ability to launch Centaur booster stages stored inside of the Shuttle during launch. How was this stage fueled, being fueled with cryogenic fuels?
PearsonArtPhoto's user avatar
15votes
3answers
7kviews

Were the Space Shuttle's Main Engines ever off while the Solid Rocket Boosters were firing?

I always though the Space Shuttle needed a combination of its solid rocket boosters and its main engines to remain stable while launching. The following diagram found on Wikipedia seems to agree: ...
Thierry's user avatar
20votes
1answer
5kviews

What would have happened if only one Space Shuttle SRB ignited?

The ignite command for the Solid Rocket Boosters (SRB) would not be issued unless all three Space Shuttle Main Engines (SSME) were at least 90% of thrust. The launch would have been aborted if one or ...
poke's user avatar
  • 301

close