Rocket Equations Quick Reference

Equations for finding your rocket's peak altitude and motor delay.

Definition of Terms

Note on the rocket mass: you usually know the empty (no motor) mass of your rocket mr. You can usually find the loaded mass of your motor, me, and the mass of the propellant, mp. Both Estes and Aerotech provide these numbers in their spec sheets and with the motors. Then

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Your questions and comments regarding this page are welcome. You can e-mail Randy Culp (Tripoli #6926) for inquiries, suggestions, new ideas or just to chat.
Updated 24 August 2008