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Should be used for question pertaining to part of propellant that is used to ignite the fuel.

5 votes
1 answer
560 views

Why don’t any engines use turboelectric oxidiser pumps?

Most larger liquid-fuelled rocket engines1 use fuel and oxidiser turbopumps driven by the hot, high-pressure gasses produced by burning said fuel and oxidiser: The gas-generator cycle burns some of t …
Vikki's user avatar
  • 4,187
13 votes
2 answers
793 views

Why aren't airbreathing SRBs a thing?

To the best of my knowledge, all solid rocket boosters so far use a propellant that is a solid mixture of both the fuel and the oxidiser parts of the reaction. However, given that SRBs are generally …
Vikki's user avatar
  • 4,187
3 votes
1 answer
323 views

Why did the Agena-D leak oxidiser when starting its engine?

oxidizer. … The solution to the problem was switching back to the normal oxidizer-first engine start and also testing the GATV in appropriate conditions. …
Vikki's user avatar
  • 4,187