All Questions
8
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Preventing backfire in rocket engines [duplicate]
In a rocket engine - specifically the SOLID FUEL ones, the "combustion chamber" burns the propellant, creates hot exhaust gases, which pass through the diverging nozzle and create thrust. In ...
6
votes
1
answer
470
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What limits pressure buildup in SRB's?
According to st. Robert's Law, propellant burn rates increase with pressure.
When an SRB is ignited, propellant starts to burn, making the pressure rise in the combustion chamber.
The flow through the ...
6
votes
2
answers
2k
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Is it possible to propulsively land an SRB?
I am wondering if it is possible to propulsively land a solid rocket booster after it detaches from the core booster. I know you could use thrust termination ports to stop thrust, but it would drop ...
3
votes
2
answers
1k
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How much more cost efficent are SRB's over the main engine?
Why use SRBs instead of a simpler rocket design that dispenses with SRB's and instead has a bigger main engine?
The Saturn V escaped earth's gravity just fine without boosters. Since then though SRBs ...
3
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2
answers
933
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Do some solid rockets burn faster at the bottom? What's an extreme case?
Discussion in comments below this answer relate to how much solid rockets or SRBs burn bottom-to-top versus radially outward.
I am sure I've seen a diagram somewhere showing that different designs ...
30
votes
3
answers
6k
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Did the Challenger SRBs fail due to design for reuse?
All that I know about the Challenger tragedy was that some o-rings failed in the reusable solid rocket boosters (SRBs) due to the low temperatures that day. I'm curious if such an accident would have ...
9
votes
4
answers
5k
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Why were Solid Rockets chosen for the SLS
The SLS and the STS seem to be the only rockets utilizing SRBs... Why did they choose to go with them over LH/LOX or Kerosene/LOX? Wouldn't it also be easier to upgrade those rockets in the future?
14
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2
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Is it possible for the Space Shuttle Solid Rocket Boosters (SRB) to hit the Space Shuttle after jettison?
We all know that the Space Shuttle Solid Rocket Boosters (SRB) were the pair of large solid rockets used by the United States' NASA Space Shuttle during the first two minutes of its powered flight. ...