stability values

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  1. S

    Determining stability as a function of center of mass

    Hello, I have a question regarding stability and how to design for a stable rocket. I have an initial center of mass for the full rocket without fuel/propellant, and one for a fully loaded rocket with propellant. As the mass changes, and due to the placement of the tank, the center of mass for...
  2. C

    Zephyr Stability (Openrocket vs. RockSim)

    Hi Everyone, I am currently working toward an L1 certification using the Zephyr kit from Apogee. I am basically done with construction, but when I started looking at the OpenRocket model to determine my delay for motor ejection I noticed a really disconcerting discrepancy between the...
  3. tugkau

    Over Stability Is a Issue?

    Hi everyone. I have a question. I have a rocket design which have 278cm length and 12cm diameter. In this design Cg = 163cm, Cp=210cm. Accordingly to OpenRocket datas my stability is 3.88. When i want to plot simulation graph, the stability values that i get are between 5 and 6. And i think...
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