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Motors for rockets and high-powered rockets (together, consumer rockets) are classified by total Motors which would be classified beyond O are in the realm of amateur rocketry (in this context, the term amateur refers to the rocketeer's ‎Rocket Motor Codes · ‎Motor impulse by class · ‎Governmental regulation · ‎Vendors. Jun 15, - Hi, I am developing a little rocket engine that will works with H2O2 and Kerosene. It will produce about 80 lb of thrust. I am in the fase of.