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Why is a level 1 high power certification required to fly some F and G motors?

April 26, 2017Certification fly high level motors power

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Why is a level 1 high power certification required to fly some F and G motors?

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The NFPA regulations for high power rocketry define HPR in three ways: In terms of thrust (average < 80N), propellant mass (< 62.5g), OR total impulse (< 160N-sec). There are several motors that are thus defined as HPR by NFPA, but not by NAR.