Can the exhaust from the turbopump of a rocket engine be used for roll control if a rocket only has 1 engine? Did the falcon 1 rocket control roll this way?

  • 3
    $\begingroup$ What has your prior research shown you? $\endgroup$ Oct 27, 2023 at 0:13
  • 1
    $\begingroup$ The spin-stabilisation tag might not be appropriate. $\endgroup$
    – AJN
    Oct 27, 2023 at 7:53

1 Answer 1



From here(Wikipedia)

... while roll control is provided by a Hot gas Reaction Control Motor (HRCM) that ejects hot gases diverted from gas generator of Vikas engine.

Unfortunately, the source cited in the above article doesn't appear to be a valid link any more.


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