Mixture ratio O/F

Oxidizer-to-fuel ratio and total mass flow.

SIDUS educational calculator. Category propulsion. Tags: engines, propulsion. Pure SI. Not flight software.

Formula

r = ṁ_ox / ṁ_fuel · ṁ = ṁ_ox+ṁ_fuel

Oxidizer/fuel mixture ratio

Primary sources

• NASA Glenn Research Center: Beginner’s Guide to Aeronautics (NASA GRC): Ideal rocket equation, specific impulse, thrust equation, dynamic pressure education pages.
• Orbital Mechanics for Engineering Students (Howard D. Curtis): Textbook derivations for Hohmann, vis-viva, rocket equation, elements.

How do AI agents use this tool?

Read /llms.txt or call https://sidus.tools/api/mcp. Open the interactive page for live SI inputs.