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Propellant GrainsOur vacuum mixed and cast propellant grains are perfect for use with our Experimental Motor Kits™ (EMKs) or combined with our individual matching motor parts in a motor of your own design. Complete propellant data is provided to allow you to predict and tailor your motor operating characteristics in BurnSim ( or other internal ballistics simulation software.

Note: Propellant grains may be sold to Tripoli Rocketry Association (TRA) L2 or L3 research flyers, bona fide businesses and educational and government customers only.