Questions tagged [srb]
Questions regarding the solid rocket boosters used to propel spacecraft, often during launch.
78
questions
4
votes
0
answers
66
views
What's the story behind the GEM-63 delay?
The Wikipedia page on the GEM-63 says that the Atlas V will start using it "in July 2019." But the Atlas V page says that the switch from the AJ-60A will happen "in the near future." That the switch ...
- 303
1
vote
0
answers
119
views
What is the limit to which we can scale up uniformly in all directions Space Shuttle SRB before it becomes unable to take off?
Let's say we like the Space Shuttle design so much, we want to use it as a reference for our new rocket. But we want to build rocket which will be capable of launching larger payload into Earth's ...
- 2,321
2
votes
0
answers
109
views
How does the solid rocket booster jettison system work on an Atlas V?
Is safe booster separation (they call it "jettison") without recontact assured by separation motors, pushers, or what?
The Juno Mission Overview refers to "structural thrusters" but that means ...
- 184k
6
votes
1
answer
668
views
Did the shuttle SRBs have separation motors?
Looking at a NASA fact sheet about the SLS SRBs and I noticed it has at the bottom around the nozzle, separation motors.
Watching shuttle launches It looks to me like the SRBs continue to fire ...
- 959
8
votes
1
answer
904
views
Why were there so many icicles in this Space Shuttle launch area? (Challenger disaster)
The blogpost Lessons From NASA Disasters: When Curiosity Deficits Kill is about the importance of freedom of curiosity for members of organizations. However it contains many Space Shuttle-related ...
- 149k
5
votes
1
answer
639
views
Why did the Space Shuttle's SRB's float, and float vertically?
The blogpost Lessons From NASA Disasters: When Curiosity Deficits Kill is about the importance of freedom of curiosity for members of organizations. However it contains many Space Shuttle-related ...
- 149k
12
votes
2
answers
2k
views
Features seen on the Space Shuttle's solid booster; what does "LOADED" mean exactly?
The question Please explain the time reference shown in Shuttle launch engineering video links to the very cool video Ascent - Commemorating Shuttle. After about ...
- 149k
2
votes
0
answers
220
views
What would happen if one Ariane V SRB did not ignite properly? (there may be no lock-down mechanism)
The excellent answers to What are these circular spots on these Ariane V SRB nozzles? tend to indicate that unlike the IV, the Ariane V simply rests on two flat surfaces under the SRBs at launch time, ...
- 149k
13
votes
2
answers
2k
views
What are these circular spots on these Ariane V SRB nozzles?
This Space Shuttle Almanac tweet says:
Pics 1-4 of todays @Arianespace #ArianeV VA249 launch carrying the #EDRSC & #Intelsat39 comsats from Kourou
and includes the cool (hot) image below.
...
- 149k
7
votes
2
answers
1k
views
Is there documented Space Shuttle O-ring failures excluding STS-51-L?
The most obvious failure of the Space Shuttle SRB O-rings was the Challenger disaster. The burn through location was just about in the worst possible location to cause the catastrophic damage that ...
- 2,808
6
votes
1
answer
747
views
Are the APUs on the SLS SRBs planned to be hydrazine powered?
I recently read that the Space Launch System core stage, which uses renamed / slightly reworked Space Shuttle Main Engines and therefore requires a hydraulic system to service said engines, will use ...
- 184k
0
votes
1
answer
238
views
Was the Titan SRM thrust vs time curve engineered to allow for acceleration switches to initiate staging sequence events?
This answer describes the timing between the Titan III Stage 0 (SRM's) and Stage 1 events.
The Titan first stage ignited just prior to SRM separation:
Titan Stage I ignition occurs at approximately ...
- 149k
2
votes
1
answer
178
views
Need help understanding staging shown in infographic of Titan launch of Hexagon satellites
The NPR News item I Spy, Via Spy Satellite: Melting Himalayan Glaciers discusses use of declassified historical satellite images that include glaciers, and link to the newly published and Open Access ...
- 149k
22
votes
1
answer
3k
views
Does the Long March-11 increase its thrust after clearing the launch tower?
The NASA Spaceflight article China conducts first Sea Launch mission with Long March 11 launch of seven satellites links to the YouTube video China’s first sea launch: Long March-11 launches from a ...
- 149k
14
votes
2
answers
3k
views
What are they doing to this rocket following its test fire?
Watching video of today's test of Northrop Grumman's OmegA first stage SRB after the test is over and the flames have died down a bit, it looks like they are sticking something into the back end of ...
- 149k