Southwind District | Research and Extension | Kansas State ...

Uses an ‘E’ engine or larger to launch (2D’s, 4C’s, 8B’s, etc.); The total impulse of all engines used in the rocket is greater than 20.01 Newton-seconds of thrust. Models powered by rocket motors not classified as model rocket motors per NFPA 1122, e.g.: Average thrust in … ................
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