This product includes 1 single-use twelve inch long J-234 Black Gold fuel grain, one 3/16 inch push to connect injector, one 2 foot long 3/16 inch OD high pressure black nylon fill lines, two O-rings for use on nozzle and injector baffle, five foot 1/8 inch clear nylon high pressure vent line, vent line is to be length to be trimmed by customer, two 12 volt resistor igniters with 2 foot long leads, thrust curve data sheet for reloads purchased and the Contrail Rockets 54mm Hybrid Rocket Motor Reload Instruction Manual. Note that this reload is designed for Contrail Rockets 54mm 36-inch hardware and requires a slow graphite nozzle. Warning each reload is for a single use using a reload more than one time can damage your hardware by a burn through or CATO. Please read the 54mm owner’s manual before purchase. Follow all warnings to protect yourself, your fellow flyers or observers, your rocket and the environment.
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