Аэрокосмическая техника
Транспорт
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Rocket for schools. This is rocket science: Basic rocket stability
Model Rocket Stability: The Basics, 6 pages.

If you want to start scratch building your own rockets, it helps to understand a little about the theory of how rockets fly, what makes them stable, and how to check it for yourself.

The weathervane model
How to find the center of pressure of your rocket
How to find the center of gravity for your rocket
The swing test
What you can do about it
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