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AhaBulb: Stuff Everyone Should Know · ahabulb.com/aero-specific-impulse-seconds

In what unit is a rocket engine's specific impulse usually measured?

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  1. Seconds
  2. Pounds
  3. Miles per hour

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References

  1. NASA Glenn, Specific Impulse www.grc.nasa.gov/www/k-12/airplane/specimp.html Checked 2026-10-10.

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