All Questions
6
questions
3
votes
1
answer
191
views
What's the benefit of making boosters land nicely (SpaceX) instead of parachuting them at sea (Space Shuttle) [duplicate]
SpaceX boosters return by landing nicely thanks to an elaborate guiding system. This requires, well, a guiding system (so, more electronics, more opportunities for failure and massive engineering ...
- 149
0
votes
1
answer
346
views
How does re-usable boosters by SpaceX return back and land on the deck 'Of Course I still Love You'? [duplicate]
The idea was to bring back the rockets/boosters safely and re-use them for next time. How SpaceX was able to achieve this?
Intuitively there have to be multiple sensors recording and computer ...
- 151
0
votes
2
answers
124
views
When does reusable lower rocket stages become benificial?
Can lower stages of current rockets be replaced to reusable and more efficient boosters with parachutes? Would reusable rocket stages save money?
- 1
12
votes
1
answer
1k
views
How many 1st stage boosters will SpaceX settle for, for its LEO/GTO fleet?
It’s common knowledge that SpaceX goal is to create a fleet of spacecraft shuttling from Earth to Mars.
One milestone they intend to achieve beforehand is having a fleet of 1st stage boosters ...
- 607
4
votes
1
answer
376
views
What are the actual economics for the ULA reusability plan?
From this article, I gather that ULA is trying to build reusability into their next generation of launch vehicles. Their plan is summed up nicely in the picture:
In the article, they seem to do some ...
- 5,223
10
votes
1
answer
691
views
Numbers for Falcon 9 booster MECO scenarios?
I hoping to look at learn more about Main Engine Cut Off (MECO) for various scenarios.
5 quantities I want are:
1) Booster mass at lift off.
2) Booster mass at MECO
3) Booster velocity at MECO (...
- 15.8k