All Questions
4
questions
12
votes
1
answer
1k
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Why was the Atlas V's SRB kept attached for 1 minute after burnout in the OFT-2 mission?
In Boeing's OFT-2 mission, an Atlas V is the launch vehicle. The solid rocket booster burns out at T+ 1:35 minutes, but the boosters are jettisoned at T+ 2:40 minutes. Why are the boosters not ...
- 2,888
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
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
13
votes
1
answer
860
views
Why do the shapes of these two exhaust plumes from an Atlas V 411 look different?
The Atlas V 411 configuration is interesting because there is a single SRB on one side of the first stage, requiring the main engines to vector substantially to keep the thrust mostly axial.
The ...
- 149k